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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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  • Specifications
  • Warranty & Returns
  • Reviews

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

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

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

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  • Arnie J.
  • 1/28/2016 12:06:30 PM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsDo not buy this junk

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

Pros: When they work they work well.

Cons: They are a little louder than the specs state

Other Thoughts: When these start to get a few years old they get really loud like they are about to seize up as a lot of these types of fans do. When they do you can usually peel off the sticker and remove the rubber grommet which reveals a small chamber where you can put a few drops of oil in to lubricate the fan bearings and quiet it down again. These do NOT have these chambers making them throw aways when they start to get loud. I wish I would have known before I bought them.

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  • Anonymous
  • 1/8/2016 4:28:08 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggscheap and quiet

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

Pros: Simple look and design of functionality. Quieter than expected.

Cons: Only a three pin connector and it's kinda short.

Other Thoughts: I bought four for a reason. $/degree.

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  • Harrison W.
  • 12/9/2015 3:46:10 PM
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsAwesome, for two years...

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

Pros: Medium noise fans, all black, no DOA and I bought 6 of them.

Cons: Owned these for 2 years almost to the day, and they are humming pretty bad. The bearings in them are going out on 2 of the 6 I bought, almost to the point of being obnoxious. Its not completely unexpected because I run my PC 18 hours a day, but still, I expect a little more than 17k hours of run time..

Other Thoughts: I love CoolerMaster, and everything they make, but these fans were quite a disappointment. While they were new, everything was fantastic, and I had no worries. Now they have two years of run time and are humming like crazy. The two up front are the worst, but the other 4 are making noise as well. Note, I blow out my PC every two weeks; it has NO dust.

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  • Kenneth M.
  • 11/19/2015 6:51:06 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsMy Thoughts

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

Pros: Fairly low cost and arrived quickly. Seems to move a lot of air

Cons: Makes a good bit more noise then the fan it replaced

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  • Anonymous
  • 11/2/2015 3:55:11 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsgreat product

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

Pros: seen a fair number of fans in my time (been a PC builder since the late 90s). this is one of the most impressive.
its very quiet and moves a lot of air.
active duty for 9 mos with 15+ hours per day and no sign of defects.

Cons: its not free.

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  • michael c.
  • 10/6/2015 3:26:46 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsNice fan!!

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

Pros: Price

Cons: None

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  • Arthur B.
  • 8/18/2015 3:20:31 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsNice fans.

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

Pros: Ordered two of these. They move a lot of air, and are surprisingly quiet.

I mounted both on top of the case. The one towards the front of the case blows air down across the RAM and Processor, and the second one I have set up as an exhaust.

Cons: n/a

Other Thoughts: If the longevity of these is good, then they'll be my new favorite fan.

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  • Ezekiel U.
  • 8/12/2015 10:18:05 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggs4 of 4 fans unbalanced

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

Pros: The fans are great at moving are close silent

Cons: I purchased 5 of these fans an all are unblanced. This is VERY pronounced when the fan is mounted on the side panel of a HAF 912.

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  • Ashley F.
  • 7/19/2015 9:31:42 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsMoves Air - Quiet - Good Comparison?

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

Pros: Quiet as advertised. Moves a lot of air as advertised.

Cons: The only con I have is I bought 3 of these. All 3 are exhaust fans. (2) on top and (1) on back. One of the 3 got "lazy" after about a week and is NOT moving air like it did. This does not bother me at all.

Other Thoughts: I only rarely leave reviews but came to order more and looking up the exact part I saw I could. I looked up the order to order some more. Compared to their other model fan with half the fins, these make the same amount of noise (not a lot) and move a lot more air. 1 out of 3 is a high potential defect rate, but not scientific. I am going to buy 3 more to blow air in (2) from the front and one from the bottom. (Yeah, it's a mining rig). These fans are great and move a lot more air without the added noise. I will feed back after I get the other 3 and if they are all great it reduces the defect rate. NOTE!!! The fan is NOT defective or noisy, it just has gotten lazy. Perhaps not spinning as fast. These are not on speed control. Direct voltage.

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  • Robert G.
  • 5/15/2015 1:45:25 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsMakes Case Hum

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

Pros: High Airflow

Cons: LOUD

Did you find this review helpful? Yes No

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Item#: N82E16835103061
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