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Noctua > 
Item#: N82E16835608030

Noctua NH-L9a 92mm SSO2 CPU Cooler

  • Max. Rotational Speed (+/- 10%): 2500 RPM Max. Rotational Speed with L.N.A. (+/- 10%): 1800 RPM Min. Rotational Speed (PWM): 600 RPM
  • Max. Airflow: 57.5 m3/h Max. Airflow with L.N.A.: 40.8 m3/h
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The NH-L9a is a premium quality quiet CPU cooler for AMD based HTPCs and Small Form Factor systems. At a super-low profile of only 37mm, the NH-L9a is ideal for extremely slim cases and due to its 92x114mm footprint, it provides excellent compatibility with tall RAM modules and other components on mini-ITX mainboards. The custom designed SecuFirm2™ mounting system for AM3+/FM1/FM2/FM2+ makes installation a child's play and thanks to the highly optimised NF-A9x14 premium fan that supports fully automatic speed control via PWM, the NH-L9a runs remarkably quiet. Topped off with Noctua's renowned NT-H1 thermal compound, the NH-L9a fuses everything users have come to expect from Noctua's larger coolers into a super-compact package for slim HTPC systems.


Learn more about the Noctua NH-L9a

Quick Info

Warranty

  • Limited Warranty period (parts): 6 years
  • Limited Warranty period (labor): 6 years


Customer Reviews of the Noctua NH-L9a

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  • Lance H.
  • 2/3/2015 8:48:02 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsExcellent Customer Service

Pros: Near silent at first

Cons: Early model, in a vertical case, started squeaking after several weeks. That may have been fixed with design changes.

Other Thoughts: After initially rating this a 2, I'm upgrading to a 4: I contacted the manufacturer who said the fan design had been updated. They mailed me a replacement fan from Austria, it's quiet again. Excellent customer service from manufacturer.

I have purchased more Noctua coolers since this.

2 out of 2 people found this review helpful. Did you? Yes No

  • Alexander J.
  • 1/30/2015 11:03:45 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Form Factor Heatsink

Pros: The fan is indeed quiet and the heat-sink dissipates Heat Very well.

I am Running a AMD A10-7850K Radeon R7.
Keep in mind this processor is running 12 cores and Maintaining a Idle temp of 32C and Load temp of 45C.

The Heat-sink itself is very sturdy and shows no give.

Mounting system is Solid and works but....

Cons: I to had the same noise problem with the fan. I actually fixed this issue by removing the fan blades from the unit and applied lithium gear grease to the rotor pole inside of the unit which returned the fan back to a silent state. If you do get this product keep in mind that the blades of the fan CAN BE REMOVED. All you do is face the sticked towards you and push against the fan blades.

Mounting system could be better. If you intend on buying this product keep in mind the mounting system requires that you screw the heat sink in from the back. Now if your motherboard tray has a opening for heat-sink mounting then it shouldn't be a big problem but since some Form factor cases out there have no openings for heat-sinks it may require you to remove the motherboard.

Other Thoughts: For a 50 Dollar price tag, I am a bit disappointed with the fact that the fan made noise with in the first 3-4 weeks of use. The problem was easily fixed by doing a bit of work but the mounting system can be a pain. Other then that, if you are willing to go through the process of mounting this heat sink and eventually fixing the fan noise problem, This is a Great heat-sink. I does what it is intended to do, but it exceeds most other Heat-sinks.

1 out of 1 people found this review helpful. Did you? Yes No

  • Jean-Matthieu G.
  • 1/17/2015 11:31:50 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsGreat heatsink, very bad fan

Pros: The heatsink is great and do the job very well.

Cons: The fan started to make a loud noise after 2 weeks. I contacted Noctua who sent me a new fan. Same problem after 2 weeks with the new fan. I contacted Noctua again but I lost faith in them. I'll order a 92mm fan to replace the Noctua one.

Did you find this review helpful? Yes No

  • Craig H.
  • 1/11/2015 7:42:46 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsTop Quality?

Pros: Really silent fan.

Cons: Fan started making a rattling noise after 9 months. Sounds like the ball bearings are loose.

Other Thoughts: Just sent RMA request to Noctua. Will update with satisfaction of process.

1 out of 1 people found this review helpful. Did you? Yes No

  • Timothy K.
  • 12/28/2014 1:27:32 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsQuiet, reliable cooling

Pros: Giant, quiet fan. Large, efficient heat-sink. Included thermal paste sufficient for several installations. Keeps my AMD A10-7850 CPU well within comfortable temp ranges, even under heavy gaming loads.

Cons: None yet. Works like a champ.

Other Thoughts: I purchased this cooler to replace the cooler/heatsink that came with my CPU. The stock cooler may have been sufficient, but I wanted extra insurance that my new PC would remain cool, and not suffer damage. So far, it has worked flawlessly, and keeps the CPU in the happy range at all times.

With good air circulation (a total of 7 fans inside my case), the fan on this cooler has yet to run beyond about 30%, and is by far the most quiet fan in my system. If using on-board graphics, I would expect the fan to run faster, but with a dedicated graphics card, the Noctua should keep your CPU happy with minimal effort.

Did you find this review helpful? Yes No

  • Lance H.
  • 12/23/2014 8:25:24 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsDesign problem, noisy after a month

Pros: Beautiful packaging
Quiet (not silent) at first

Cons: Doesn't work in vertical orientation (tower case). After a couple months these fans start sounding like a cricket. Seems to only be reliably quiet if fan is horizontal. Other reviews are reporting the same exact problem.

Other Thoughts: Will contact newegg for alternatives.

Did you find this review helpful? Yes No

  • Jack A.
  • 12/21/2014 6:23:35 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsAnnoyingly Loud

Pros: Looks good?

Cons: Extremely loud and annoying clicking noise... fiddling with it will sometimes help temporarily but requires taking my HTPC case apart. Fan is making the racket nothing from my case/wires are near it.

Unusable, in my situation the clicking and fan noise is unbearable.

Did you find this review helpful? Yes No

  • Jack A.
  • 12/21/2014 12:25:36 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsnoctua cooler - annoying sound

Pros: Looks good, fits good.

Cons: Extremely loud, makes an awful clicking sound..it was silent for about 10 minutes ever since then its really loud clicking noises. I installed it on my new HTPC and I can't even stand to watch movie the fan is so obnoxious.

Did you find this review helpful? Yes No

  • Ramsey H.
  • 12/19/2014 11:58:55 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsSilent

Pros: Utterly silent at idle. At load it is a faint whisper. One of the quietest fans I have ever heard. I thought it was not even working at first. Comes with standoffs for boards that have circuitry where a backplate should go, so don't worry about trying to find a mobo with a clear "exclusion zone" under the chipset area.

Cons: none.

Other Thoughts: Currently cooling an A10-7800. The A10 throttles in games, and not sure if this is the fault of the cooler, but it's happening. The cooler comes with an underpowering cable connector you can hook up to basically limit the RPM of the fan for quieter operation. Even without it the thing is basically silent.

Did you find this review helpful? Yes No

  • Matt M.
  • 10/12/2014 3:22:25 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsGreat cooling, but...

Pros: Amazing fan. Truly is. Install was kind of a hassle but with how low-profile the fan is and how cool it keeps the CPU, it was worth it.

Cons: What's NOT worth it is the amount of noise this thing makes. The first few weeks I had it, it was noise-free. Then, as other commenters have said, it starts making this SUPER ANNOYING clicking noise. I can't stand it. I've tried taking it apart, repositioning it, nothing. Will go back to my stock fan until I can get something else.

0 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16835608030
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