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COOLER MASTER R4-L4S-10AB-GP Blue LED Case cooler

Ships from China. Most customers receive within 5-32 days.

Sold and Shipped by Various a-seller

Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
Marketplace Seller
  • 140mm
  • 1000 RPM 60.9 CFM
  • Sleeve
  • 16 dBA

  • Overview
  • Specs
  • Warranty & Returns
  • Reviews

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

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details
Ownership: 1 week to 1 month
Verified Owner
1/ 5
120mm fans are fine, the 140mm's won't work correctly. 5/13/2020 4:44:55 PM

Pros: They spin

Cons: They don't spin fast and require a finger flick to start moving, lights won't come on. All my other fans work just fine but these guys act like theyre not getting enough power no matter what theyre plugged in to. Motherboard headers, molex to three pin header adaptors, nothing works.

Overall Review: N/A

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Anonymous
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Bright and quiet! 12/26/2019 1:43:56 PM

Overall Review: Bought these to add some color to my case, and to replace a couple that were starting to make bearing noises. These are nice and quiet, as well as bright, but not overly so. Definite recommend.

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Anonymous
Ownership: 1 day to 1 week
Verified Owner
2/ 5
1 DOA 3/31/2019 8:20:23 PM

Pros: good fan speed for price at time

lights are nice

not loud

Cons: DOA 1 fan came dead although the light did work, tried using DOA Fan on fan that worked power supply and sadly nothing but the light.

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Ownership: 1 week to 1 month
Verified Owner
4/ 5
Great fans, but SUPER bright, and noisy in my system 2/26/2019 8:49:38 AM

Pros: -Great Price
-Easy to install
-High Speed
-Good Airflow
-Nice illumination

Cons: -None really. (See below)

Overall Review: -Only a pro or a con depending on what you want, but these fans are insanely bright. My case came with LED fans and I expected these to have a similar brightness level. These two fans are so bright they completely light up my dark room. I would not use these fans on a case that will be running in a bedroom.
-These fans are also extremely loud in my case. After some research I have discovered that this is due to the shape of my fan grates (honeycomb). When positioned as intake fans, they are unbearably loud. As vent fans, they are silent. I am purchasing some filters to hopefully cut down on the noise and maybe even the brightness.

Neither of these issues is really a fault of the fans though.

Did you find this review helpful?
Ownership: 1 day to 1 week
Verified Owner
4/ 5
Good but non-adjustable rpm 2/11/2019 5:45:15 AM

Pros: Blue LED bright Very Quiet at 1000 rpm

Cons: The rpm is not adjustable ???? are they are moving away from this?

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Very good Fans 2/8/2019 4:26:05 PM

Pros: Silent Fans, easy to install, and I love the Blue LED at a good price point when I bought them.

Cons: No cons so far will update if there is an issue with the over all life of the fans.

Overall Review: I recommend these Fans If anyone is in need of a few extra case fans these will do the trick.

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Ownership: 1 week to 1 month
Verified Owner
4/ 5
Good for the price 1/25/2019 6:36:20 AM

Pros: -They work
-LED looks good

Cons: -Might be the trick of the light but it looks like it has a slight wobble at medium speeds
-Looks cheap

Did you find this review helpful?
Ownership: 1 week to 1 month
Verified Owner
1/ 5
Ripped off..... 11/26/2018 12:39:49 PM

Pros: cheap, i guess.

Cons: took over a month to receive. bought three and they came without packaging or molex adapters, they were rubber banded together and wrapped in styro sheet and tape. extremely ghetto looking, they are all scratched and look pretty worn out, obviously not in an acceptable condition considering the price i paid they have listed as new. extremely dissatisfied with this purchase, will be avoiding asimu in the future.

Overall Review: coolermaster makes a good fan, my review is not on the product, but the condition i received it in from the seller.

2 out of 4 people found this review helpful. Did you?
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  • New : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty.
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  • Used - Very Good : This means that the product has been opened, may show slight signs of use and cosmetic blemish, and may be missing minor accessories, but remain in excellent condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Good : This means that the product has been used, may show clear signs of use and may be missing minor accessories, but remain in good condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Acceptable : This means that the product shows clear signs of use, cosmetic defect, and may be missing minor accessories and manual, but remain in working condition. Product does not come with warranty unless stated otherwise in product description. Functionality issues beyond signs of use should be disclosed in product description.
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