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  • Cooler Master 120mm Red LED Case Fan - (R4-L2R-20CR-GP)
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Cooler Master 120mm Red LED Case Fan - (R4-L2R-20CR-GP)

| 4 answered questions

List Price: $9.99
Price: $8.39 & FREE Shipping on orders over $35. Details
You Save: $1.60 (16%)
In Stock.
  • Up to 69.69CFM (maximum RPM)
  • 19 dB-A silent application for CPU cooling
  • RoHS compliance for protecting the environment
  • Recommended for V10, V8, Hyper 212, Hyper Z600, Gemini, Cosmos, Cosmos S, Haf 932, HAF 922, CM Storm Scout and Sniper
  • 50,000 Long life hours
6 new from $8.39

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Frequently Bought Together

Cooler Master 120mm Red LED Case Fan - (R4-L2R-20CR-GP) + Cooler Master MegaFlow 200 - Sleeve Bearing 200mm Red LED Silent Fan for Computer Cases + Cooler Master Hyper 212 EVO - CPU Cooler with 120mm PWM Fan (RR-212E-20PK-R2)
Price for all three: $54.79

Buy the selected items together


Technical Details

  • Model: R4-L2R-20CR-GP

Product Details

  • Product Dimensions: 120 x 25 x 120 inches ; 1.6 ounces
  • Shipping Weight: 4 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0026ZPFBG
  • Item model number: R4-L2R-20CR-GP
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (101 customer reviews)
  • Date first available at Amazon.com: April 2, 2004

Product Description

From the Manufacturer

From the Manufacturer
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 90CFM at 2000RPM.


  • Up to 90CFM (maximum RPM).
  • 19 dB-A silent application for CPU cooling.
  • RoHS compliance for protecting the environment.
  • Recommended for V10, V8, Hyper 212, Hyper Z600, Gemini, Cosmos, Cosmos S, HAF 932, HAF 922, CM Storm Scout and Sniper.
  • 50,000 fan life expectancy.


Model R4-L2R-20CR-GP
Dimension 120mm x 120mm x 25mm
Voltage 12V DC
Current (Ampere) 0.35A
Input (Watt) 4.2W +/- 10%
Speed (R.P.M) 2000 R.P.M
Air Flow (CFM) Up to 90 CFM
Air Pressure (mmH20) 2.94 mmH20
Fan Noise (dB-a) 19 dB-A
Weight 116g / 0.26lbs
LED Color Red
Bearing Type Long Life Sleeve
Fan Life Expectancy 50,000 hours
Connector 3 pin
3 to 4 pin adapter 1 pcs
Screws 4 pcs

Product Description

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 90CFM at 2000RPM. These R4 series are available in red, green, blue LED and dark smoke (no LED).

Customer Questions & Answers

Customer Reviews

Good fans, nothing else to say about it, nice bright red LED.
Diego Noguera
The product is good, I would give it 4 stars, but I consider the noise level to be a great differential.
Jonas Raoni
These fans move A LOT of air, but that means that they are rather noisy.
DStage

Most Helpful Customer Reviews

5 of 5 people found the following review helpful By Matt on March 29, 2011
Verified Purchase
I don't. Whisper quiet and has a nice glow to it. The lights are placed on the side that would face inward if the fan was venting out. This doesn't really effect the light much but it will be slightly brighter if its placed as such. I have it on the bottom of my HAF 922 to pull air up into the case and its noticeable in airflow and light, just not sound.

Would recommend, ordered a second and will put them on my CoolerMaster hyper 212 cpu cooler, then put its 120mm fan on the bottom as I want the led fans centermost in the case to spread that lovely red glow around!
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3 of 3 people found the following review helpful By Ronald Hepburn on December 5, 2010
Verified Purchase
After reading some reviews which said this fan was quiet and the rest which said it was noisy i got confused, but i had already ordered it, so i connected it today and surprisingly it wasn't as noisy as i was expecting it to be, @ 2000rpm, and it moves quite a lot of air too.
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2 of 2 people found the following review helpful By K. Hunt on August 3, 2011
Verified Purchase
THE COMPETITION:
I have a cooler Master Stacker 830 with 7 120mm fans mounted in it. I've tried 3 different brands of fan trying to find the right combination of color, noise level and reliability. Logisys has poorly produced fans (loud rattling from 2 of 4 units), and the LEDs tend to be more orange than red. they offer good air flow though. Rosewill has fans that break if you look at them wrong, but are a nice shade of red, and have decent airflow while they last. the color effect is bright on both of these fans, (even if it's not the RIGHT color).

THE CONTENDER:
Coolermaster fans don't produce as much airflow as those listed above, But the LEDs are the right color red, and the fans do not have any undue rattling noises. they started out pretty loud, but after a few days of normal use, they quieted down to no louder than any of my (surprisingly still working) Rosewill fans. The smoke colored fan blades means the color effect is more muted/subtle that the fans with clear blades.

THE CONCLUSION:
- at first i didn't like that the coolermaster fans 'sublet' lighting, but as i've had time to evaluate the fan, i've decided that i now like the effect better that my other fans, and will be replacing all the fans in my case with Coolermaster fans. Overall i am VERY HAPPY with these fans

THE NOTES:
- If you want a fan that is absolutely quiet you're going to have to blow on the components yourself. you can't move air with a bladed fan and not make noise.
- If you don't like the noise your case is making with the fans running flat out, by a fan controller and run them at 70%. You'd be surprised how much quieter that is.
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2 of 2 people found the following review helpful By Lamont A. Shuman on January 24, 2010
Verified Purchase
I have two of these in a CM Storm Scout case. I am surprised on how much cooler they've made my case. These are some really quiet fans also.
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4 of 5 people found the following review helpful By Vanand Alaverdyan on July 28, 2009
Verified Purchase
I wrote a review a few months ago when I had purchased these fans, praising their quality and performance. I regret that I am taking it back now. I bought three of them for my Cosmos S and I wont lie, they were awesome. They looked great, moved a ton of air and didn't make too much noise for 2000 RPM.

About six months later, all three of them are dead while my two other Coolermaster fans live on. One of them simply doesn't work, probably burned out. The other two sound like jackhammers and nothing I did was able to restore them. I don't understand why. They rarely spun full speed because I don't overclock and game that much and I always keep my case clean.

I purchased three of the standard 1200 RPM fans from CM, as they seem pretty reliable -- two of them have been merrily spinning in my case for over a year now without issue.

I'm not sure if I had a bad batch or tough luck but these fans were a bit disappointing.
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1 of 1 people found the following review helpful By Mason on November 2, 2013
Verified Purchase
I don't know how people say that this fan has a nice glow! It almost doesn't glow and I don't like it. Besides, this fan is not very quiet, even after I set it to rotate with the least speed and "Quite" profile in my motherboard (ASUS Z-87 Pro) BIOS.
I DO NOT RECOMMEND it to anybody who need nice red glow.
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1 of 1 people found the following review helpful By Vince on November 24, 2012
Verified Purchase
I replaced a fan that didn't contain LED's and it definitely looks awesome. My PC stays cool and you can barely hear the fan. Great buy for the value.
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1 of 1 people found the following review helpful By M. Swan on November 4, 2010
Verified Purchase
They move lots of air and are loud at default speed (top speed). Nothing a fan speed controller can't tame! O.O
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