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Cooler Master > 
Item#: N82E16835103061

Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Silent Fan for Computer Cases, CPU Coolers, and Radiators (Smoke Color)

  • 120mm
  • 2000 RPM 69 CFM
  • Long Life Sleeve
  • 19 dBA
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R4 series fans offer a unity of maximum rotational speed and optimum airflow. Using a unique long-life sleeve bearing fan, the R4 series offers long life rating of 50,000 hours. R4 series fans perform at a maximum of 69CFM at 2000RPM.

  • newegg High Performance The COOLER MASTER R4-C2R-20AC-GP case fan delivers up to 69CFM of air flow to efficiently and effectively dissipate the heat generated inside the chassis.
  • newegg Silent Operation This fan runs at 2000 R.P.M. and produces mere 19 dB-A noise level bringing peace of mind to you and your co-workers.
  • newegg Constructed to Last The high quality sleeve bearing fan provides maximum of 50,000 hours of lifespan for hassle-free long term use.

Learn more about the Cooler Master R4-C2R-20AC-GP

Model

Brand
COOLER MASTER
Model
R4-C2R-20AC-GP

Spec

Type
Case Fan
Compatibility
Case
Fan Size
120mm
Bearing Type
Long Life Sleeve
RPM
2000 RPM
Air Flow
69 CFM
Noise Level
19 dBA
Power Connector
3 to 4 pin Adapter
Color
Black

Physical Spec

Dimensions
120 x 120 x 25 mm

Features

Features
Up to 69CFM (maximum RPM)

19 dB-A silent application for CPU cooling.

RoHS compliance for protecting the environment

Recommended for V10, V8, Hyper 212, Hyper Z600, Gemini, Cosmos, Cosmos S, HAF 932, HAF 922, CM Storm Scout and Sniper.

50,000 long life hours.

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Cooler Master R4-C2R-20AC-GP

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  • Jacob W.
  • 12/8/2014 12:08:44 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

1 out of 5 eggsOk at first, but grinding noises after a while

Pros: cool looks to it, moves a good amount of air, quiet at first, decent static air pressure

Cons: after a month it started making grinding noises like the bearings were going out, i had the exact problem with my last one and i thought i got a lemon so i bought another one and it appears to be a trending problem and so it should be quite clear it became quite noisy, very disappointed by cooler master

Manufacturer Response:

Hello,

If there are ever issues that you are having with a Cooler Master product, you can always reach us by 3 different mediums (support ticket, live chat and phones). The fans have a 1 year warranty on them. We have a support website (Fanzone) that enables our customers to submit RMAs and part requests for warrantied items.

Please contact us going forward for any issues that may be occuring with any product.


Sincerely,
Eric
CM USA

Did you find this review helpful? Yes No

  • Francis D.
  • 11/25/2014 7:56:39 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsDeux côté de la médaille

Pros: Déplace énormément d'air.

Cons: Elle sont loin d'être silencieuse à vitesse maximale. Et à 40-70% on peut entendre les bearing, c'est très désagréable.

Did you find this review helpful? Yes No

  • Julian S.
  • 11/24/2014 11:34:49 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggs

Pros: -Quiet and comes with extra connector (to Molex)
-Provides good air flow

Cons: Better with LEDs (in my case)

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

  • Dale H.
  • 10/11/2014 7:17:06 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsOK at first, did not last long

Pros: Initially quiet, seemed to move enough air..

Cons: This fan was a replacement for a noisy fan (an original fan in a CoolerMaster Cosmos case). This replacement failed short of one year. Noise increased over time and now when system is powered on, it sounds like turning on a blender. The noise goes down in a minute or so, but never get as quiet as it was when it was first installed.

Manufacturer Response:

Hello,

If the product is still under warranty, you can create an account on the Fanzone site and RMA the fan for a replacement. The address for the Fanzone site is: account.coolermaster.com

The warranty on our fans aside from the Jetflo fans are 1 year. If at anytime the fan fails within that warranty time frame, you always have the option to RMA the product.


Sincerely,
Eric
CM USA Support

Did you find this review helpful? Yes No

  • David L.
  • 8/24/2014 3:36:22 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Value

Pros: Great CFMs for the price.
Definitely not the quietest fans at full speed. If your board can control the speed of your fans then they are near silent at 60%.

Cons: Not silent as advertised. But definitely not the loudest either.

Other Thoughts: I have 3 of them in my case. 2 as intake fans and 1 as exhaust. Would of used a 4th for exhaust as well but needed a slim profile fan.

Did you find this review helpful? Yes No

  • Anonymous
  • 8/19/2014 7:25:51 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsOkay but not good

Pros: Good airflow and relatively cheap.

Cons:
I use this fan on the side panel of my system and I keep my system on top of my desk so noise becomes a problem. This fan is far from "silent" it is the loudest part of my computer. If I shut it off on my fan controller my computer is practically silent. As soon as I turn it on again it sounds like a jet engine, even at 40% power which is the lowest my fan controller will go.

Manufacturer Response:

Dear Valued Customer,

We apologize for the trouble that you are experiencing with the Cooler Master 120mm fan. Please contact us for further trouble shooting.

Phone: 888-624-5099

Respectfully,
Patrick
CMUSA Support

Did you find this review helpful? Yes No

  • Steven H.
  • 8/11/2014 6:56:32 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggs

Pros: Very good all-around 120mm fans, one of the best air flow/noise ratio. They look great.

Cons: Not powerful as others like jet flo but read other thougs for warning about jet flo more powerful fan details

Other Thoughts: There are stronger 120mm fans out there like jet flo but they require 4 pin connector and drain more electricity so much they can kill Corsair all-in-ones water cooling internal fan controller. So like I said those SickleFlow 120 are really excellent as all-around fans.

Did you find this review helpful? Yes No

  • Jusin D.
  • 8/2/2014 7:49:53 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsThese fans blow

Pros: These fans are great they really are worth the money and are really quiet at 60-80% max controlled by my board

Cons: THEY ARE LOUD at 100%

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

  • Brenner F.
  • 7/31/2014 2:46:27 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsUpdated Review

Pros: Excellent product support. See my previous review on 6/14/2014 with one egg. Cooler Master took care of me and replaced the bad fan in a timely manner.

Cons: It was inconvenient, but stuff happens. Nothing is perfect, but having a company that takes care of customers when something does happen makes it easy to forgive and forget. This is not an expensive item, but the support shows what a good company Cooler Master is.

Other Thoughts: I could not find a way to edit or amend my previous review, so I am posting this positive review to acknowledge the support I received.

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

  • Karl R.
  • 7/15/2014 1:48:15 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsNot so silent

Pros: Moves good air.

Cons: The only way I could call this silent is if I lived over a bowling alley. I finally had to unplug.

Other Thoughts: Installed as a case fan on a nMIDIAPC HTPC 6000B case.

Manufacturer Response:

Hello Karl,

I'm sorry you're having issues with your Sickflow fan. The fan is rated for 19 dBA and sound does become a touchy subject when it comes to fans. Please contact us by phone at 888-624-5099 or Livechat, where we can help and see what we troubleshoot. If we determine that you have a defective fan, we can help replace this for you. Please let us know if you have additional questions.

Respectfully,

Robert N.
CM USA SUPPORT

Did you find this review helpful? Yes No

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Fans & PC Cooling > 
Case Fans > 
Cooler Master > 
Item#: N82E16835103061
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