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Item#: N82E16835103091

Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

  • 120mm
  • 2000 RPM 69.69 CFM
  • Long Life Sleeve

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

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-L2R-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.

Case cooling is becoming more essential these days. Quality fans with better airflow inside your chassis will give you a more stable system. The SickleFlow 120 with 2000 RPM is no doubt one of the best case fans in the market.

  • newegg High Performance LED Fan The 120mm fan delivers strong airflow up to 69.69 CFM for impressive heat dissipation while its transparent dark-gray blades give better LED effect.
  • newegg Whisper-quiet As an excellent choice for case cooling, the 120mm fan keeps the noise level down to 19 dBA for silent operation.
  • newegg Long Life The fan uses long life sleeve bearing for longer life expectancy.

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.

Case cooling is becoming more essential these days. Quality fans with better airflow inside your chassis will give you a more stable system. The SickleFlow 120 with 2000 RPM is no doubt one of the best case fans in the market.

  • newegg High Performance LED Fan The 120mm fan delivers strong airflow up to 69.69 CFM for impressive heat dissipation while its transparent dark-gray blades give better LED effect.
  • newegg Whisper-quiet As an excellent choice for case cooling, the 120mm fan keeps the noise level down to 19 dBA for silent operation.

Learn more about the Cooler Master R4-L2R-20AR-R1

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-L2R-20AR-R1

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  • Brandy Z.
  • 5/24/2016 10:40:37 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat fans

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: Reliable and quiet. Been using them on all systems lately.

Cons: Why the beans are red fans more expensive? it costs more to make the blue yet they are cheaper.

Other Thoughts: Never had issues with Cooler master fans . These are by far the best fans for any computer case

Did you find this review helpful? Yes No

  • James H.
  • 5/22/2016 2:07:26 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat fans.

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: These fans move a lot of air. They also can look quite intimidating if you put them in a case that reveals them on the front panel; as does my Raidmax brand case.

Cons: None.

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  • Brian A.
  • 5/21/2016 10:12:24 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggs

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: Quiet operation at medium speeds. LED effect is very cool. LED brightness varies a little based on how fast the fans are spinning.

Cons: Supposedly sleeve bearing fans are relatively short lived though I personally have never had one fail on me despite years of uptime. Pretty loud at full speed but I have a mid tower case with lots of ventilation so i don't need to crank them up very high.

Other Thoughts: This will not illuminate your case with a red glow, the effect is fairly mild and limited to the fan. I have them installed in the front of an Aero-cool 500 case (black mesh screen) and it gives the subtle impression that something red and powerful is glowing in the bowels of my computer.

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  • Bryan L.
  • 4/22/2016 4:17:36 PM
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsShort lifespan

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: They look good.

Cons: Short life span.

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  • Cory L.
  • 4/10/2016 5:41:21 PM
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsMediocre at best

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: It is a cheap fan with decent looking cables. They aren't terribly loud even at full speed.

Cons: After about a month they started squeaking in oscillating manner relative to the speed I used on the fan controller. I usually have them off now because of this unless it is really hot. After about 6 months 1 of the 3 fan's blades started hitting something very slightly as it spun making a rapid ticking noise.

Other Thoughts: The LEDs are very dim on these. If you want bright LEDs, then look elsewhere.
I'm not sure if I was a quality control issue or not, but the quality of the fans I received was not up to par. I should have spent my money elsewhere.

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  • ROBERT R.
  • 4/10/2016 12:50:42 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsGoes out too fast.

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: I had to come back and change my review, after only using this thing for a few days it's already started making awful rattling noises like it's wobbling or the bearing is going bad. Shame too, I liked the price and it looks great!

Cons: It's too cheap, it starts to rattle after a few days and is annoying as heck. Basically, it's already broken :[

Other Thoughts: When mounted as my back exhaust instead of my top exhaust it makes the sound of wind moving through metal piping due to the air going through the grates on the back.

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

  • Charles P.
  • 4/5/2016 9:06:26 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggswonderful wonderful

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: a great deal at Newegg

Cons: aha! nada

Did you find this review helpful? Yes No

  • N/A
  • 4/2/2016 7:13:15 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsMounting vibration / loud

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: Cheap. Decent LEDs. Not horrible.

Cons: Offers case vibrations and overall a bit loud for my tastes for the air they move. Swapping for fans with nicer LED effects that come with rubber mounting rivets.

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  • Catherine W.
  • 3/25/2016 1:55:55 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsAmazing fans for the price!

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: Bought 5. 3 for case and 2 for push/pull on my hyper 212 evo.
Keeps CPU cool, air flow is good and the LED's light up my case in a perfect light red hue through my side panel window.
No coil whine in my experience.

Cons: Can be a little noisy from fan blade design if pushed above 1300 RPM.
Cables could be black instead of clear to match fan/color theme.
Screws are absolutely horrific (and could be black instead of silver to match black cases) and strip way too easily. Had to use my own fan mounting screws.

Other Thoughts: I would definitely recommend these fans. The price is amazing and other than a few flaws that can be fixed they perform beautifully.

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

  • Jason A.
  • 3/16/2016 2:59:04 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsStandard product

This review is from: Cooler Master SickleFlow 120 - Sleeve Bearing 120mm Red LED Silent Fan for Computer Cases, CPU Coolers, and Radiators

Pros: The LEDs are nice and bright, pretty standard fans, they aren't very quiet but that also may have to to with the fact I have 6 of them in my case

Cons: Not much just note that of you are looking to mod you case with other LEDs I recommend going with one's with out any lighting.

Did you find this review helpful? Yes No

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Item#: N82E16835103091
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