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Noctua > 
Item#: N82E16835608042

Noctua NH-U9DXi4 90mm SSO2 CPU Cooler

  • 1600 RPM +/-10% (MAX)
  • 1300 RPM +/-10% w/ L.N.A
  • 300 RPM +/-10% (PWM)
  • 64.3 m3/h w/o L.N.A
  • 52.6 m3/h w/ L.N.A
  • Aluminum
IronEgg
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This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Noctua NH-U9DXi4

Model

Brand
Noctua
Model
NH-U9DXi4

Spec

Type
Fan & Heatsinks
Fan Size
90mm
Compatibility
Intel LGA2011 (Square ILM & Narrow ILM), LGA1356, LGA1366 (wtih Xeon backplate)
based Xeon platforms only
Bearing Type
SSO2
RPM
1600 RPM +/-10% (MAX)
1300 RPM +/-10% w/ L.N.A
300 RPM +/-10% (PWM)
Air Flow
64.3 m3/h w/o L.N.A
52.6 m3/h w/ L.N.A
Noise Level
17.6 dB(A) w/o L.N.A
13.1 dB(A) w/ L.N.A
Heatsink Material
Aluminum

Physical Spec

Fan Dimensions
3.7" x 3.7" x 0.98"
Weight
1.01 lbs. Without Fan
1.4 lbs. With Fan

Features

Features
Scope of Delivery

NH-U9DXi4 Heatsink

2x NF-B9 PWM Premium Fan

Low-Noise-Adapter ( L.N.A)

NT-H1 High-grade Thermal Compound

Quick Info

Warranty

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


Customer Reviews of the Noctua NH-U9DXi4

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  • Prof. C.
  • 9/16/2014 11:11:00 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsgood stuff

Pros: Silent, fits supermicro X9QRi (all combos) with chassis 8047R-TRF+.
We have a 1TB machine with plenty of RAID for running the aflowlib.org database. This is the development machine.
You might check the NH-U12DXi4 also. It did not fit our ram so we got 4 of the UD9.

Cons: none...

Did you find this review helpful? Yes No

  • Jon B.
  • 7/17/2014 7:38:52 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

5 out of 5 eggsGreat CPU cooler

Pros: Installs easy on 1366 socket. Just swap out the screws with the set provided for the different thread.

Fans need to be removed to access screws, but fans easily attach afterwards with clips. I though the clips would allow the fans to rattle, but they snap securely in place and the fans rest against plastic pad on the heat sink.

Runs 10 C cooler than stock intel heatsink on Xeon X5650 (Six core, 95W TDP) on Prime95. Stock cooler is similar design except only 3 heat pipes and one fan. Better yet, these fans only need to run at 1000 rpm to achieve these temps compared to 3000 rpm with the stock cooler.

Cools CPU so well at PWM contolled speed and runs to quiet, I did not need to use the included low noise adapters.

All RAM slots can be accessed after fans are installed on Lenovo S20.

Cons: None other than price.

Other Thoughts: With iron egg guarantee, Newegg price matches the online giant. Then include the $15 discount for Google Wallet that was offered (and since expired), and the price was right.

Did you find this review helpful? Yes No

  • Stephen S.
  • 1/2/2014 12:15:45 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsQuality Cooler

Pros: -Very Quiet
-Works well with Narrow ILM motherboards
-Solid construction
-Fits great in 4U server chassis
-Spacing allows for two to be used in dual xeon setups

Cons: -Will hit Ram heatsinks if not using low profile ram/ram without heatsinks. This is to be expected though with air coolers designed for server applications while using desktop ram.

Other Thoughts: I am running two of these in dual xeon server. I have had no problems yet!

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

  • Andre M.
  • 12/1/2013 7:22:48 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsRecommended for Rack Mount Cases

Pros: Quiet and Cool. This CPU cooler keeps a Ivy Bridge 4930k quite cool at stock clock rates. It is amazingly quiet and fits very well in a 4U rackmount case.

Cons: The fans block two memory slots (one in each bank of four), when it is oriented to blow air from front to back of the case. I didn't need these DIMM slots, but I think I can rotate the cooler and blow air to the side if I need to use these DIMMs in the future.

Other Thoughts: My motherboard would come up with a processor fan speed warning on boot. But the fans have always been spinning and keeping the processor cool. I think it may be reporting too low of a spin speed when the machine is first turned on. I see this as more of a problem with the motherboard, as it should have a short delay to allow the fans to turn on.

4 out of 4 people found this review helpful. Did you? Yes No

  • Rick H.
  • 11/24/2013 9:43:50 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBest CPU cooler for the money

Pros: -Very quiet...
-Used all Noctua fans for the new server I built for work and you cannot hear it unless you put your ear right next to it!
-3 different mounts for the socket type (great if you are in between Supermicro or Asus server motherboards)

Cons: none

Other Thoughts: Verify socket type and total heatsink height before buying. I purchased the 140mm version first and it wouldn't fit but this one does fit in a 4U case.

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

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Item#: N82E16835608042
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