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14
Highlights
14
Differences
6
Reactions
0
Likes
Noctua NH-D9L
vs
Noctua NH-U9S:
14 Highlights & 14 Differences —
So, Which Fan Actually Works Better
Learn how size affects installation and performance. Choose your ideal fit.
What sets Noctua NH-D9L and Noctua NH-U9S apart? We looked at their height, folded depth, folded height & package height and key differences in this complete fans face-off.
Noctua NH-U9S vs. NH-D9L: A Thorough Comparison of Premium PC Cooling Fans
Both the Noctua NH-U9S and NH-D9L are indoor PC case cooling fans, designed to provide effective thermal management with a focus on quiet and efficient operation. They each leverage high-quality build materials and advanced vibration reduction and blade balance technologies to minimize noise at low speeds, both registering a noise level of just 16.3 dB. Despite these core similarities, there are fundamental differences in size, control methods, power consumption disclosure, and pricing that set these two apart and influence which user scenarios they best serve.
Distinctive Features of the Noctua NH-U9S: Balancing Power and Control
The NH-U9S stands out prominently due to its slightly larger stature, with a height of 4.92 inches compared to the NH-D9L's 4.33 inches, which can translate to better airflow management in less space-restricted PC cases. Featuring a sturdy metal grill and base, this model values durability and a premium feel, distinguishing it from the NH-D9L, where grill and base materials are unspecified. Another key highlight is its mechanical switch control panel, providing users straightforward, tactile speed toggling that's absent in the NH-D9L.
Moreover, the NH-U9S explicitly specifies its power consumption at 1.2 watts (medium speed), giving buyers clear insight into energy usage usually missing from similar products. This fan utilizes a Type A power plug for compatibility and ease of installation, further adding to its user-friendly design. Lightweight yet robust, it also maintains rust resistance, though it lacks scratch resistance and anti-slip base features. Despite the absence of tool-free assembly and adjustable height options, the NH-U9S delivers excellent energy ratings and is compliant with RoHS environmental standards.
Where the Noctua NH-D9L Shines: Compact Efficiency in Tight Spaces
The NH-D9L embraces a notably more compact design, measuring only 4.33 inches tall with a shorter cord length of 1.97 inches compared to the NH-U9S's 0.66 inches. This makes the NH-D9L ideal for building in constrained small form-factor or ITX cases where every inch matters. Although it lacks a physical control panel and provides only a single-speed setting, it compensates by featuring comparable vibration reduction and blade balance technology to ensure quiet performance.
Its energy performance is equally commendable, boasting an excellent energy efficiency rating and an environmentally low carbon footprint, although specific medium power consumption details are not provided. The fan's construction includes a self-extinguishing fire resistance rating, affirming safety in everyday indoor use. For users prioritizing size over power and certain aesthetics, the NH-D9L carries a premium price of about $83 but reflects its specialized compactness and integrated noise optimization.
A Quick Take on NH-U9S and NH-D9L
The Noctua NH-U9S offers robust cooling with a tangible control experience, solid metal components, and a transparent power usage profile, all at a wallet-friendly price of $69.95 at amazon.com. Meanwhile, the NH-D9L excels in compactness and safety ratings, making it a superb choice for cramped setups where space is limited but silent performance is essential.
Bottom Line: Picking the Best Noctua Cooler for Your Needs
If your PC build can accommodate a slightly larger cooler and you value having a mechanical speed control switch along with a clear view of power consumption, the Noctua NH-U9S is the ideal choice, offering premium features and energy efficiency without breaking the bank. On the other hand, if compactness and minimal space usage are your main priorities and you're willing to invest a little more for those benefits, the NH-D9L suits small form-factor cases perfectly with its quiet performance and strong safety credentials.
Verdict
Winner: Noctua NH-U9S - Combines effective cooling, physical control convenience, metal construction, and clear power metrics at a better value price.
Runner-up: Noctua NH-D9L - Best for tight PC cases requiring a compact, extremely quiet fan with strong fire resistance, despite the premium cost and lack of mechanical controls.
(✱) Prices may be changed at any time without further notice.
Comparisons & Facts
153
Side by side. The numbers. The features. No drama.
We compared every major spec, design detail, and performance point between Noctua NH-D9L and Noctua NH-U9S. If you’re trying to choose the better fan, this side-by-side fans review lays out what matters — and what might surprise you.
Both Noctua NH-D9L and Noctua NH-U9S are intended for indoor use, ideal for typical PC environments. Neither is designed for outdoor use, so they serve well within indoor computer setups.
Specifies where the fan is suitable to operate.
In the battle of Intended Use,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Intended Use on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
The Installation Location for both Noctua NH-D9L and Noctua NH-U9S is the PC Case, making them equally suitable for case installation in a PC build. Both are good options here depending on other specs.
Indicates the supported placement locations for the fan.
In the battle of Installation Location,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Installation Location on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Noctua NH-D9L supports variable speed settings with PWM control, providing flexible fan speed options, while the NH-U9S has a fixed single speed setting. NH-D9L is better for users needing customizable cooling performance.
Shows how many distinct speed levels the fan offers.
In the battle of Speed Settings Count,
Noctua NH-D9L ◉ is
better than
Noctua NH-U9S ◉
, delivering
higher
88 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Speed Settings Count on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Noctua NH-D9L has a height of 4.33 inches, making it slightly smaller than the NH-U9S which measures 4.92 inches. The NH-D9L is better suited for cases with tighter height restrictions.
Measures the vertical height of the fan in operating position.
In the battle of Height,
Noctua NH-D9L ◉ is
worse than
Noctua NH-U9S ◉
, delivering
lower
0.6 inch
measurement.
Based on community votes for Height,
Noctua NH-D9L ◉ earned
1 votes,
more than
Noctua NH-U9S ◉,
which got 0 votes.
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
2.68
inch
0Votes
vs
Folded Depth
Folded depth is not available for NH-D9L but is 2.68 inches for NH-U9S, indicating NH-U9S provides compact dimensions when folded, advantageous for storage or installation.
Indicates the depth of the fan when folded or collapsed.
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Folded Depth on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
4.92
inch
0Votes
vs
Folded Height
The folded height is unavailable for NH-D9L but is 4.92 inches for NH-U9S, which suggests NH-U9S may have foldable features or measured collapsed size. NH-U9S might be easier to handle in tight spaces if folding is considered.
Measures the height of the fan when folded for storage.
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Folded Height on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Package Width
What is the package width?
7.87
inch
0Votes
8.27
inch
0Votes
Noctua NH-D9L
Package width is 7.87 inch (20.0 cm), important for packing and shelf space planning.
Noctua NH-U9S
Package width is 8.27 inch (≈ 21.01 cm). Useful for checking fit on shelves or shipping dimensions.
Shows the width of the retail packaging box.
In the battle of Package Width,
Noctua NH-D9L ◉ is
better than
Noctua NH-U9S ◉
, delivering
lower
0.4 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Width on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Package Depth
What is the package depth?
6.3
inch
0Votes
7.87
inch
0Votes
Noctua NH-D9L
The package depth measures 6.3 inch (16.0 cm), useful for understanding the shipping and storage dimensions.
Noctua NH-U9S
Package depth is 7.87 inch (≈ 20.00 cm), which helps calculate shipping volume.
Indicates the depth of the product packaging.
In the battle of Package Depth,
Noctua NH-D9L ◉ is
better than
Noctua NH-U9S ◉
, delivering
lower
1.6 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Depth on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Weight
How much does the fan weigh?
2.45
lbs
0Votes
1.36
lbs
0Votes
Noctua NH-D9L
The fan weighs 2.45 lbs (1.11 kg), indicating a lightweight structure that is easy to handle and install.
Noctua NH-U9S
The product weight is 1.36 lbs (≈ 0.62 kg). This is relatively light for a PC cooling fan, aiding installation and handling.
Represents the total weight of the assembled fan.
In the battle of Weight,
Noctua NH-D9L ◉ is
worse than
Noctua NH-U9S ◉
, delivering
higher
1.1 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Weight on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Package Weight
What is the package weight?
2.2
lbs
0Votes
2.2
lbs
0Votes
Noctua NH-D9L
The package weight is 2.2 lbs (1.0 kg), showing a light and convenient package for shipping.
Noctua NH-U9S
Package weight is 2.2 lbs (≈ 1.00 kg). This includes packaging materials and accessories.
Shows the total shipping weight including packaging.
In the battle of Package Weight,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
, delivering
equal
2.20 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Package Weight on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Width
What is the fan width?
3.74
inch
0Votes
3.74
inch
0Votes
Noctua NH-U9S
Unit width is 3.74 inch (≈ 9.50 cm), making it suitable for narrow mounting locations.
Represents the overall horizontal width of the fan when assembled.
In the battle of Width,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
, delivering
equal
3.74 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Width on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Depth
What is the fan depth?
3.74
inch
0Votes
3.74
inch
0Votes
Noctua NH-D9L
The depth measures 3.74 inch (9.5 cm), giving insight into the fan's profile in installations.
Indicates the front-to-back depth of the fan footprint.
In the battle of Depth,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
, delivering
equal
3.74 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Depth on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Folded Width
What is the folded width?
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
3.74
inch
0Votes
Noctua NH-U9S
Folded width is 3.74 inch (≈ 9.50 cm), which helps estimate storage space when folded.
Shows the width of the fan when folded or collapsed for storage.
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Folded Width on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NH-U9S
(Help us out by suggesting one!)
Indicates how far the fan head can tilt vertically.
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Vertical Adjustment Angle on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
No reverse airflow is supported by either NH-D9L or NH-U9S, so airflow direction remains fixed, suitable for conventional cooling setups.
Allows reversing airflow direction for circulation purposes.
In the battle of Reverse Airflow,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Reverse Airflow on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Fan Blade Diameter
What is the blade diameter?
3.62
inch
0Votes
3.62
inch
0Votes
Noctua NH-D9L
The fan blade diameter is 3.62 inch (9.19 cm), a size that balances compact form factor and effective airflow generation.
Noctua NH-U9S
Fan blade diameter is 3.62 inch (≈ 9.19 cm), typical for compact case fans intended for focused airflow.
Represents the diameter of the fan blades influencing airflow volume.
In the battle of Fan Blade Diameter,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
, delivering
equal
3.62 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Fan Blade Diameter on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Number of Blades
How many blades does the fan have?
63
Noctua NH-D9L
0Votes
9
63
Noctua NH-U9S
0Votes
9
Noctua NH-D9L
The fan contains 9 blades, providing a balance of smooth airflow and noise reduction.
Noctua NH-U9S
Equipped with 9 blades, a design that can influence airflow smoothness and static pressure.
Shows how many blades the fan uses to generate airflow.
In the battle of Number of Blades,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Number of Blades on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Airflow Capacity
How strong is the airflow capacity?
68
Noctua NH-D9L
0Votes
High
68
Noctua NH-U9S
0Votes
High
Indicates the overall strength of airflow produced by the fan.
In the battle of Airflow Capacity,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Airflow Capacity on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Airflow Distance
How far does the airflow reach?
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NH-U9S
(Help us out by suggesting one!)
Measures how far the air can effectively travel from the fan.
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Airflow Distance on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Blade Pitch Angle
What is the blade pitch angle?
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NH-U9S
(Help us out by suggesting one!)
Indicates the angle of the blades that affects airflow efficiency.
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Blade Pitch Angle on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Maximum Speed
What is the maximum fan speed?
69
Noctua NH-D9L
0Votes
2000 RPM
67
Noctua NH-U9S
0Votes
2000 RPM
Represents the highest operational speed setting of the fan.
In the battle of Maximum Speed,
Noctua NH-D9L ◉ is
better than
Noctua NH-U9S ◉
, delivering
higher
2 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Maximum Speed on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Minimum Speed
What is the minimum fan speed?
58
Noctua NH-D9L
0Votes
400 RPM
63
Noctua NH-U9S
0Votes
300 RPM
Shows the lowest operational speed for gentle airflow.
In the battle of Minimum Speed,
Noctua NH-D9L ◉ is
worse than
Noctua NH-U9S ◉
, delivering
higher
5 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Minimum Speed on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Airflow Coverage Area
What area size can this fan cover?
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NH-U9S
(Help us out by suggesting one!)
Indicates the recommended area size the fan can cool effectively.
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Airflow Coverage Area on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Horizontal Adjustment Angle
How much horizontal adjustment is available?
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NH-U9S
(Help us out by suggesting one!)
Measures the adjustable horizontal angle of airflow direction.
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Horizontal Adjustment Angle on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Natural Breeze Mode
Does it support natural breeze mode?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Simulates outdoor-like natural breeze patterns.
In the battle of Natural Breeze Mode,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Natural Breeze Mode on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Turbo Mode
Is turbo mode available?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Enables maximum airflow output for rapid cooling.
In the battle of Turbo Mode,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Turbo Mode on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Cooling Effectiveness Rating
How effective is the fan at cooling?
93
Noctua NH-D9L
0Votes
Excellent
93
Noctua NH-U9S
0Votes
Excellent
Represents an overall qualitative rating of how effectively the fan cools a space.
In the battle of Cooling Effectiveness Rating,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Cooling Effectiveness Rating on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Both Noctua NH-D9L and NH-U9S share an identical low-speed noise level of 16.3 dB, making them equally quiet in low-speed operation suitable for noise-sensitive environments.
Indicates the sound level produced when operating at the lowest speed.
In the battle of Noise Level Low Speed,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
, delivering
equal
16.30 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level Low Speed on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Both NH-D9L and NH-U9S feature vibration reduction design, promoting quieter operation and reduced mechanical noise for better user experience.
Shows whether the fan includes features to reduce vibration.
In the battle of Vibration Reduction Design,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Vibration Reduction Design on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
Who knows?
0Votes
Noctua NH-U9S
(Help us out by suggesting one!)
Measures the noise output at medium fan speed.
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Noise Level Medium Speed on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Neither fan offers night mode noise control, so there is no specialized ultra-quiet setting for nighttime operation in either model.
Automatically optimizes noise levels for nighttime use.
In the battle of Night Mode Noise Control,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Night Mode Noise Control on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Noise Level High Speed
How loud is the fan on high speed?
22.8
dB
0Votes
22.8
dB
0Votes
Noctua NH-D9L
Noise level at high speed is 22.8 dB, which is very quiet and suitable for noise-sensitive environments.
Noctua NH-U9S
High-speed noise level is 22.8 dB, remaining relatively low for high-performance operation.
Shows the maximum noise level at the highest speed setting.
In the battle of Noise Level High Speed,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
, delivering
equal
22.80 dB
measurement.
Don’t keep it to yourself — be the first to react and review the
Noise Level High Speed on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Motor Noise Isolation
Is motor noise isolated?
Yes
0Votes
Noctua NH-D9L
Yes
0Votes
Noctua NH-U9S
Noctua NH-D9L
Motor noise isolation is integrated, reducing operational noise and enhancing user comfort.
Indicates whether the motor is isolated to reduce noise transfer.
In the battle of Motor Noise Isolation,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Motor Noise Isolation on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Ultra-Quiet Mode
Does the fan have an ultra-quiet mode?
Yes
0Votes
Noctua NH-D9L
Yes
0Votes
Noctua NH-U9S
Indicates a special mode designed to minimize noise output.
In the battle of Ultra-Quiet Mode,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Ultra-Quiet Mode on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Noise Certification
Does the fan have a noise certification?
0
Noctua NH-D9L
0Votes
Not Specified
0
Noctua NH-U9S
0Votes
Not Specified
Indicates any official noise or quiet-operation certification.
In the battle of Noise Certification,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Noise Certification on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Audible Clicks During Operation
Are there clicking sounds during operation?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Indicates whether clicking sounds are heard during use.
In the battle of Audible Clicks During Operation,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Audible Clicks During Operation on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
1.2
Watt
1Votes
vs
Power Consumption Medium
Medium power consumption is not available for NH-D9L, while NH-U9S consumes 1.2 watts at medium speed, indicating NH-U9S’s slightly quantified power use for efficient operation.
Shows the power usage at medium speed operation.
Based on community votes for Power Consumption Medium,
Noctua NH-D9L ◉ earned
0 votes,
less than
Noctua NH-U9S ◉,
which got 1 votes.
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
13
Noctua NH-U9S
0Votes
Type A
vs
Power Plug Type
Power plug type is not available for NH-D9L but is Type A for NH-U9S, which may affect compatibility with certain power sources. NH-U9S offers a standardized plug.
Indicates the type of electrical plug used.
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Power Plug Type on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Who knows?
0Votes
Noctua NH-D9L
(Help us out by suggesting one!)
33
Noctua NH-U9S
0Votes
Switch
vs
Control Panel Type
Control panel type is unavailable for NH-D9L but NH-U9S uses a switch control panel, offering physical user control over fan operation, favoring NH-U9S for manual management.
Identifies the physical control interface on the fan itself.
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Control Panel Type on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Auto shut-off is not featured in both Noctua NH-D9L and NH-U9S, limiting their automatic power-saving functionality.
Automatically turns off the fan under certain conditions.
In the battle of Auto Shut-Off,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Auto Shut-Off on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Touch Controls
Does the fan have touch controls?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Indicates whether the fan supports touch-sensitive controls.
In the battle of Touch Controls,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Touch Controls on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
App Control
Can the fan be controlled with an app?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Indicates whether the fan can be controlled via a mobile app.
In the battle of App Control,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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App Control on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Voice Assistant
Does it support voice assistants?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Shows compatibility with voice assistants for hands-free control.
In the battle of Voice Assistant,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Voice Assistant on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Preset Programs
Are there preset programs?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Indicates whether pre-configured operation modes are available.
In the battle of Preset Programs,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Preset Programs on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Child Lock
Is there a child lock feature?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Prevents accidental setting changes by children.
In the battle of Child Lock,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Child Lock on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Memory Function
Does it remember previous settings?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Remembers the last used settings when turned back on.
In the battle of Memory Function,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Memory Function on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Display Screen
Is there a display screen?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Indicates whether the fan includes a digital display.
In the battle of Display Screen,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Display Screen on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Display Brightness Adjustment
Can the display brightness be adjusted?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Allows adjusting the brightness of the display.
In the battle of Display Brightness Adjustment,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Display Brightness Adjustment on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Control Responsiveness
How responsive are the controls?
93
Noctua NH-D9L
0Votes
Instant
93
Noctua NH-U9S
0Votes
Instant
Indicates how quickly the fan responds to user inputs from buttons, remote, or app.
In the battle of Control Responsiveness,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Control Responsiveness on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
In the battle of UV Resistant,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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UV Resistant on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Build Quality Grade
How is the build quality rated?
73
Noctua NH-D9L
0Votes
Premium
73
Noctua NH-U9S
0Votes
Premium
Represents the overall construction quality and durability level of the fan.
In the battle of Build Quality Grade,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Build Quality Grade on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Weather Resistance Rating
What is the weather resistance rating?
0
Noctua NH-D9L
0Votes
None
0
Noctua NH-U9S
0Votes
None
Indicates the level of protection against weather elements such as rain or humidity.
In the battle of Weather Resistance Rating,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Weather Resistance Rating on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Shows whether the fan supports ceiling installation.
In the battle of Ceiling Mount Compatible,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Ceiling Mount Compatible on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Indicates whether the fan can stand freely on the floor.
In the battle of Floor Standing Compatible,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Floor Standing Compatible on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Indicates whether assembly can be done without tools.
In the battle of Tool-Free Assembly,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Tool-Free Assembly on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Mounting Hardware
Is mounting hardware included?
Yes
0Votes
Noctua NH-D9L
Yes
0Votes
Noctua NH-U9S
Noctua NH-D9L
Mounting hardware is included, which facilitates straightforward installation without needing additional parts.
Specifies whether required mounting hardware is included.
In the battle of Mounting Hardware,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Mounting Hardware on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Mounting Type
What type of mounting does the fan use?
33
Noctua NH-D9L
0Votes
Case Mounted
33
Noctua NH-U9S
0Votes
Case Mounted
Defines the primary mounting or placement style of the fan.
In the battle of Mounting Type,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Mounting Type on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Wall Mount Compatible
Can this fan be wall mounted?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Indicates whether the fan can be mounted on a wall.
In the battle of Wall Mount Compatible,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Wall Mount Compatible on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Desk Placement Compatible
Can it be placed on a desk?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Shows whether the fan is suitable for desk or tabletop use.
In the battle of Desk Placement Compatible,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Desk Placement Compatible on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Installation Difficulty Level
How difficult is installation?
43
Noctua NH-D9L
0Votes
Moderate
43
Noctua NH-U9S
0Votes
Moderate
Describes the overall complexity of installation.
In the battle of Installation Difficulty Level,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Installation Difficulty Level on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Shows whether the fan is designed to be safe around pets.
In the battle of Pet-Safe Design,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Pet-Safe Design on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Compliance Standards
What compliance standards does it meet?
63
Noctua NH-D9L
0Votes
CE, RoHS
63
Noctua NH-U9S
0Votes
CE, RoHS
Noctua NH-D9L
The product complies with CE and RoHS standards, ensuring it meets European safety, health, and environmental protection requirements.
Lists safety, quality, or regulatory standards the fan complies with.
In the battle of Compliance Standards,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Compliance Standards on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Blade Guard Design
What type of blade guard design is used?
33
Noctua NH-D9L
0Votes
Standard Grill
33
Noctua NH-U9S
0Votes
Standard Grill
Describes the protective structure used to cover the fan blades.
In the battle of Blade Guard Design,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Blade Guard Design on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Electrical Safety Certification
Is the fan electrically certified?
73
Noctua NH-D9L
0Votes
CE
73
Noctua NH-U9S
0Votes
CE
Indicates official electrical safety certification.
In the battle of Electrical Safety Certification,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Electrical Safety Certification on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Child-Safe Design
Is the fan child-safe?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Indicates features designed to protect children.
In the battle of Child-Safe Design,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Child-Safe Design on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Safety Auto Stop
Does it have automatic safety stop?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Automatically stops operation when a safety issue is detected.
In the battle of Safety Auto Stop,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Safety Auto Stop on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Provides guidance on how often the fan should be cleaned for optimal performance.
In the battle of Cleaning Frequency Recommendation,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Cleaning Frequency Recommendation on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Indicates whether tools for maintenance are included.
In the battle of Maintenance Tools,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Maintenance Tools on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Easy Clean Design
Is the fan easy to clean?
Yes
0Votes
Noctua NH-D9L
Yes
0Votes
Noctua NH-U9S
Noctua NH-D9L
The fan incorporates an easy clean design making maintenance hassle-free by allowing quick dust removal.
Indicates a design optimized for quick and simple cleaning.
In the battle of Easy Clean Design,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Easy Clean Design on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Removable Grill
Is the grill removable for cleaning?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Indicates whether the safety grill can be removed for cleaning.
In the battle of Removable Grill,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Removable Grill on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Filter Replacement Indicator
Is there a filter replacement indicator?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Alerts users when the filter needs replacement or cleaning.
In the battle of Filter Replacement Indicator,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
Don’t keep it to yourself — be the first to react and review the
Filter Replacement Indicator on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Service Access Panels
Are there service access panels?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Shows whether access panels are provided for servicing.
In the battle of Service Access Panels,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Service Access Panels on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Maintenance Skill Level
What skill level is required for maintenance?
63
Noctua NH-D9L
0Votes
Intermediate
63
Noctua NH-U9S
0Votes
Intermediate
Indicates the level of skill needed for maintenance tasks.
In the battle of Maintenance Skill Level,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Maintenance Skill Level on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
It holds an excellent energy efficiency rating, which indicates minimal power use relative to its performance.
Indicates how efficiently the fan uses energy relative to its cooling performance.
In the battle of Energy Efficiency Rating,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Energy Efficiency Rating on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Estimates the environmental impact of the fan based on production and usage.
In the battle of Carbon Footprint Estimate,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Carbon Footprint Estimate on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
In the battle of Noise-Energy Optimization,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Noise-Energy Optimization on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Recyclable Materials
Are recyclable materials used?
Yes
0Votes
Noctua NH-D9L
Yes
0Votes
Noctua NH-U9S
Noctua NH-D9L
The fan uses recyclable materials, contributing to environmental sustainability by reducing waste.
Noctua NH-U9S
The product uses recyclable materials, simplifying end-of-life disposal and supporting recycling programs.
Indicates whether recyclable materials are used in construction.
In the battle of Recyclable Materials,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Recyclable Materials on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Annual Energy Consumption
How much energy does the fan use annually?
63
Noctua NH-D9L
0Votes
Very Low
63
Noctua NH-U9S
0Votes
Very Low
Noctua NH-D9L
The annual energy consumption is classified as very low, making it an energy-efficient choice that reduces electricity bills.
Represents the estimated amount of energy the fan consumes over a year of typical use.
In the battle of Annual Energy Consumption,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Annual Energy Consumption on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Sustainable Packaging
Is the packaging sustainable?
Yes
0Votes
Noctua NH-D9L
Yes
0Votes
Noctua NH-U9S
Noctua NH-U9S
Sustainable packaging is used, indicating reduced environmental impact from materials or processes.
Indicates use of eco-friendly packaging materials.
In the battle of Sustainable Packaging,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Sustainable Packaging on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Low Power Standby
Does it use low power in standby?
No
0Votes
Noctua NH-D9L
No
0Votes
Noctua NH-U9S
Shows reduced power usage when idle or on standby.
In the battle of Low Power Standby,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Low Power Standby on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Environmental Certifications
Does it have environmental certifications?
0
Noctua NH-D9L
0Votes
None
0
Noctua NH-U9S
0Votes
None
Lists recognized environmental certifications.
In the battle of Environmental Certifications,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Environmental Certifications on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
26
Noctua NH-D9L
0Votes
Phone, Email, Support Portal
26
Noctua NH-U9S
0Votes
Phone, Email, Support Portal
Lists available ways to contact customer support.
In the battle of Customer Support Channels,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Customer Support Channels on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!
Indicates the time range during which customer support services are available.
In the battle of Support Availability Hours,
Noctua NH-D9L ◉ is
same as
Noctua NH-U9S ◉
.
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Support Availability Hours on Noctua NH-D9L ◉
vs Noctua NH-U9S ◉ and help others decide!