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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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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.

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.

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 571 of 571 reviews - Clear Filters

  • N/A
  • 7/5/2015 1:56:10 PM
  • Tech Level: High
  • Ownership: more than 1 year

2 out of 5 eggsLoud and Dim

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

Pros: - eh, nothing really comes to mind, considering all the other offerings out there

Cons: - really poor LED, super dim, doesn't really do much for effect
- didn't play well with NZXT fan controller, super loud and obnoxious...has something to do with under-volting, I guess

Other Thoughts: Don't get sleeve bearing fans if you want to run them horizontal. Learned the hard way, go for hydro bearing, or something that won't get crazy loud.

Manufacturer Response:

Hello Adam,

Our apologies on the fan not meeting your needs and expectations.




Sincerely,

Eric
CM USA CSR

Did you find this review helpful? Yes No

  • N/A
  • 7/1/2015 10:53:26 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 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: Good fan. Working very well on my machine.

Cons: None

Did you find this review helpful? Yes No

  • N/A
  • 6/23/2015 1:35:30 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsSolid

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

Pros: They work, red LED lights, quiet, come with molex adapters, 3-pin

Cons: Cords are very short
Red LEDs aren't as bright as I had hoped
Screws are hard to put in the first time (to be expected on new fan install)

Other Thoughts: If you plug this in through molex, it is LOUD. In my book it's always performance over anything else, but when I unplugged my one fan from molex it was a breath of fresh air (I bought 2, one is plugged into the board). Just a warning, it is unbearably loud using molex. Otherwise, good fans.

Did you find this review helpful? Yes No

  • N/A
  • 6/17/2015 12:35:18 AM
  • Tech Level: Average
  • Ownership: less than 1 day

3 out of 5 eggskinda noisy

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

Pros: great are flow, it blows lots of air, the led isnt that bad might need 2 or 3 to make ur mod town glow nice.

Cons: kinda, not sure why but this is the only fan in my case making noise.

Other Thoughts: great

Did you find this review helpful? Yes No

  • N/A
  • 6/13/2015 11:57:31 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAwesome

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

Pros: Work as advertised with awesome RED LED effect.

Cons: None

Did you find this review helpful? Yes No

  • StarmanJude
  • 6/6/2015 9:51:54 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsWorks great!

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 great and runs silently. The red LED goes with the exhaust fan which also has red LED so the inside of my case is a nice ambient red.

Cons: Nothing too bad about this. It works like it's supposed to.

Other Thoughts: Other reviews I've read say how noisy it is. Proper installation is the answer. I bought two and put both as intake in the front of the case. There's no rattling and no grinding.

Did you find this review helpful? Yes No

  • akurma
  • 5/25/2015 7:23:30 PM
  • Tech Level: Average
  • 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: Moves a TON of air
Nearly silent.. see other thoughts
Red LED's

Cons: LED's are a little dim

Other Thoughts: this fan is silent as long as there isn't a filter or some sort of grille put right in front of the air path, if there is all you will hear is air being sucked in.

Did you find this review helpful? Yes No

  • N/A
  • 5/21/2015 8:41:00 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsvery loud

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

Pros: Lights up

Cons: Very loud even at low rpm

Manufacturer Response:

Hello Stacey,


I am sorry that the fan did not meet your expectations.





CM USA Support

0 out of 3 people found this review helpful. Did you? Yes No

  • PCMADDOCTOR
  • 5/14/2015 10:50:09 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsReasonable Airflow

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

Pros: Reasonable airflow for the price. No complaints thus far. Looks good in my case. Sound isn't too much of an issue since I game with my headphones on.

Cons: N/A

Did you find this review helpful? Yes No

  • cakell09
  • 5/3/2015 9:34:06 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsDisappointed

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

Pros: Pushes a LOT of air. Way more than any stock fan I've used. Red LEDs look really nice, good color, not over powering. Pretty quiet for about a year.

Cons: Lasted *just* over a year. 1 year and a few days. If its mounted vertically, it makes a noise like one of the blades is heavier than the rest. If horizontal, it makes a noise similar to the crackle you hear from a HDD. I'm assuming the bearing is shot, which is a real disappointment since the warranty does nothing after a year.

Manufacturer Response:

Hello,

I am sorry to hear that the fan only lasted about a year for you. Please note for any possible future issues that often we will make an exception for you if the product is only about a week outside of the warranty.



CM USA Support

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

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