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Cooler Master > 
Item#: N82E16835103077

Cooler Master CM Essentials 140 - Sleeve Bearing 140mm Blue LED Silent Fan for Computer Cases and Radiators

  • 140mm
  • 1000 RPM 60.9 CFM
  • Sleeve
  • 16 dBA
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Case cooling is becoming more essential these days. The better airflow inside your system, the cooler and more stable system you will get.

  • newegg High Performance The COOLER MASTER R4-L4S-10AB-GP delivers amazing 60.9 CFM of air flow to efficiently and effectively dissipate the heat inside the chassis.
  • newegg Silent Operation This case fan runs at 1000 R.P.M. and produces neglectable 16 dB-A noise level bringing peace of mind to you and your co-workers.
  • newegg Blue LED This 4 blue LED fan radiates mystic blue light creating an immersive ambience and eye-catching fun.

Learn more about the Cooler Master R4-L4S-10AB-GP

Quick Info


Customer Reviews of the Cooler Master R4-L4S-10AB-GP

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  • Joshua C.
  • 5/13/2015 12:40:49 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Fan

Pros: Very nice, bright, and clear Blue LED and transparent fan.
Pushes a decent amount of air.
Silent.
Low price.

Cons: Does not produce enough static pressure to make it suitable for CPU coolers.

The screws it came with were very difficult to screw in - I needed an electric drill to mount this fan.

Other Thoughts: I currently mounted this fan as an exhaust, and I love the way the lights dance against the black wooden board it faces. It's also doing a great job pushing the hot air out of the case.

The cons are very minor.

Did you find this review helpful? Yes No

  • Brent L.
  • 5/8/2015 3:44:46 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsLooks good but...

Pros: It looks good and spins!

Cons: Does not push air very well. It does not spin very fast either.

Manufacturer Response:

Hello Brent,


I am sorry that the fan did not meet your expectations. Please always consider fan RPM and CFM when looking to make a purchase.




CM USA Support

Did you find this review helpful? Yes No

  • Sandra A.
  • 3/1/2015 5:12:00 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsExcellent case fan!

Pros: Very good case fan. Bright Led's which was exactly what i was looking for. Super quiet and work just like they should!

Cons: No cons here!

Did you find this review helpful? Yes No

  • Kevin A.
  • 2/21/2015 8:21:14 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSILENT FANS

Pros: Nothing beloew amazing, I recently had 2 80mm fans with a few dead LED's and a stock 120mm fan that came with my case. i Purchased 2 of these on sale with rebate and a 2 pack of the 120mm versions and i couldnt be more pleased. they are very quiet, especially compared to my 80mm fans and now my case runs about 10-15 degrees cooler

Cons: my case only supports 2 140mm fans and not 5?

Other Thoughts: im running 2 140mm and 120 mm exaust(top and rear) and 2 120mm intake front and bottom, my case never gets over 36c, also they are insanely quiet. i game with it nest to me on the desk and late nights with low volumes i dont hear anything unless i really try to... with no sound for example paused game or internet browsing etc.

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  • Ricky R.
  • 1/19/2015 12:12:00 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggs

Pros: -Moves good amount of air
-Blue LEDs and clear plastic body look great
-Cheap in price, good in quality

Cons: -Somewhat noisy

Other Thoughts: Very good budget 140mm LED fan, but definitely makes a slight bit of noise especially at higher speeds.

Definitely a good idea to use motherboard fan control or a separate fan controller so it doesn't get distracting.

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  • Penny S.
  • 1/18/2015 6:21:37 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorks well and lights up

Pros: It lights up quite bright, and it moves air decently for where I put it In my computer's case. I cant hear much noise coming from it. However, I haven't adjusted any fan speeds yet to see if higher speeds make much noise or not.

Cons: The light this fan produces may be to bright for some, but I like it. Might be considered noisy by some.

Other Thoughts: I would buy another If I needed more 140mm fans.

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  • justin c.
  • 12/9/2014 11:36:54 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggs7 months still going

Pros: Smooth air flow. It's not noisy. It looks good if you keep it clean. It was easy to mount. I have some horror stories about mounting fans.

Cons: I did not receive the 5 dollar rebate. Number one reason why I purchased this fan. I can't knock CM CS. They've been great thus far. I'll consider a competitor for cooling components from this point forward. Minus 1 egg. It feels like a 3 1/2 though.

Other Thoughts: I mailed this rebate out along side another rebate from product I purchased the same day. The other product's rebate arrived within 2 months. The last time I checked this rebate status it said "Waiting for my letter." Something to that regard. A few months went by. I checked the tracking today. No record. This is the first time I ever lost a rebate. The letter never came back.

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

  • MAJD C.
  • 11/14/2014 9:37:30 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsStill working

Pros: Good air flow, I almost cant heard them, Near silence.. Well for the prices you got a good DL. You want a silence fan at low price, this is the way to go for,

Cons: Looks like the blue LED are fading away with time.

Other Thoughts: well LED isnt bright like the first day,

Did you find this review helpful? Yes No

  • Anonymous
  • 8/25/2014 11:41:01 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggs

Pros: It worked and the led looked good was also quiet

Cons: Did not cool very well

Manufacturer Response:

Dear Valued Customer,

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

Phone: 888-624-5099

Respectfully,
Patrick
CMUSA Support

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

  • LuoYan Y.
  • 8/18/2014 11:19:41 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggs

Pros: It was free AR.

Cons: too noisy. It should be more than 24 dBA than the listed 16 dBA.

Manufacturer Response:

HEllo LuoYan Y,

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

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

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Item#: N82E16835103077
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