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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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This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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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-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.

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

Quick Info

Warranty

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


Customer Reviews of the Cooler Master R4-L2R-20AR-R1

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Showing 551 of 551 reviews - Clear Filters

  • Trigunman
  • 3/31/2015 2:29:25 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWhip out the hair dryers!

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

Pros: Excellent fans, period. I've used 2 of these to replace the stock 120mm fan on my Coolermaster EVO 212 heatsink/fan combo for some higher fan speeds and more "red glow" for my case. A VERY powerful combo of fans and in conjunction with the heatsink at keeping my CPU nice and frosty, as I haven't seen the CPU get over 35c on idle yet! At load, I think the highest I've seen it get yet is only 45c! (AMD Athlon X4 860K @ 4Ghz) It will be interesting to see how well this setup works at full load in the hottest room in my house during the summer, haha!

Cons: When these things get winded up at top speed, the "woosh" is very noticeable over my 6 other Apevia 120mm case fans, but to me it's not bothersome. Your mileage may vary... Personally, I have a 5.1 sound system hooked up to my computer to drown that kind of white noise out while gaming, haha!

Other Thoughts: Great CPU heatsink fan replacements, they work with my motherboard great in giving RPM listing and in speed adjustments. Great fans for the price, don't hesitate or debate, GIT U SUM!

Did you find this review helpful? Yes No

  • N/A
  • 3/29/2015 9:28:09 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 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.

Did you find this review helpful? Yes No

  • N/A
  • 3/23/2015 4:22:31 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsworks quietly.

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

Pros: still all is cool and quiet.

Cons: none

Did you find this review helpful? Yes No

  • malmental
  • 3/19/2015 5:42:33 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSickleFlow are more case than rad fans

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

Pros: Quiet but powerful, efficient.
Red LED for my red and black themed build.

Cons: None, research and know what you're buying.

Other Thoughts: Case fans, not rad fans...

Did you find this review helpful? Yes No

  • N/A
  • 3/9/2015 8:55:29 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsGood depending how it is used

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

Pros: Cheap and works great when connected to the motherboard relatively quiet but not silent.

Cons: When plugged into the power supply it is irritatingly loud.

Did you find this review helpful? Yes No

  • FastPc
  • 3/4/2015 8:31:06 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsworth It.

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

Pros: good quality, high speed with good Air flow when you need it, silent on 800 RPM witch i can't tell if it on or off, but it give you full power at 2000 RPM with a lot of noise

Cons: The cables are too short for full tower ATX, i had to cut it and make it longer with extra cable. the lights are not bright enough.

Other Thoughts: having a case fan that can give you a lot of options regarding a speed and noise level is something i am looking for

Did you find this review helpful? Yes No

  • N/A
  • 2/27/2015 11:23:14 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • 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: High CFM with a cheap price which makes for a great value. Choice of Red, Blue or Green lighting.

Cons: The LEDs are not too bright, though possibly a pro for others. They can be too loud for some people's taste when they are running at max.

Did you find this review helpful? Yes No

  • Sheik Ghetto
  • 2/20/2015 12:55:03 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsCheap but noisy

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

Pros: Cheap and looks good. Good selection of LED colors.

Cons: Mediocre air flow but the biggest con is the noise. These things are very whiny (I got 2 of them). Changing aux fan speeds from bios did not change the fan speed, it kept running at 1900rpm. I ended up removing them and using the 80mm fans that came with the case.
Not recommended.

Manufacturer Response:

Hello,

It sounds like the fans did not meet your expecations or needs. If you have any questions, commments, and or concerns, let us know. (888) 624-5099



Sincerely,
Eric Belger
CM USA Support

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

  • maradona
  • 2/16/2015 7:21:36 AM
  • Tech Level: Low
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsnot so good

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

Pros: only pros is price and leds

Cons: i bought 5 fans every one of them coil whine! after 1 week of used..pure trash don't buy

Manufacturer Response:

Hello,


I am sorry to hear about the issue you had with our fans. In the future, if you ever have any problems with one of our products, feel free to give us a call at (888) 624-5099.


Sincerely,

Eric
CM USA Support

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

  • frosty
  • 2/13/2015 12:15:28 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month

2 out of 5 eggsWhines, dont buy

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

Pros: Moves air, nice green LED

Cons: Whines to the point that it is un-useable

Other Thoughts: I bought 3 of these for a new build, thinking that a nice green light-scheme would look great. The good news is it does look cool, the bad news is that these fans produce an obnoxious and high-pitched whine, making them entirely useless unless you enjoy the sound of a mosquito.The case fans that came with my NZXT s340 (2 fans) are so much better than these. The worst part is return shipping to newegg is barely less than the refund I would get, so i now have 3 free fans, you pay shipping!

TL;DR
spend a little more, get a product you can use

Manufacturer Response:

Hello,

I am sorry to hear that the fans did not meet your expectatinos or needs. If you have any questions, let us know. (888) 624-5099



Sincerely,
Eric
CM USA Support

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

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