COOLER MASTER R4-L2R-20CR-GP Red LED Case Fan

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this is a great fan! love the colour. It is quite noisy when running at full RPMs, though. I am installing a speed controller as I am only using it as an intake fan on the side of my case and the closest mobo header doesn't regulate speed.

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Does the job, but a bit on the noisy side.

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These fans are very good. Not very noisy and move alot of air. The leds are cool too. I have 2 of them in my puter and it's not very loud. I would buy them again.

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When you put this in it moves air nicely and it generates it own power for the leds, and is very quiet what else could you want!

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It does the job with no problems.

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Just what the head line reads.

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Good fan and quiet. However, if you are looking for a more color dramatic effect, choose the Thermaltake fans. I have both.

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I put 5 of these guys in my Cosmos S and I have to admit. HOLY CRAP! I've never expected it to get rid of the hot air out of my case so quickly. It's sooooo cool. Nothing gets hot. I have to agree what you guys say about the LED, it is pretty damn weak, but a great fan overall. Thank you CM ;)

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At 19dB they are quiet for the amount of air flow. Leds could be a little brighter. I am using them in a media center pc. Not as quiet as I would like when combined with one that came with the case and the cpu and power supply fan. Will buy again for a desktop pc.

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the brightness of the LEDs really depends on what you connect it to. another neat trick is if you blow into the fan when its unplugged the LEDs glow from the current! very cheap for the size and features.

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My PSU fan was ticking like crazy, bought a new fan, works awesome. LED not bright bright, but its a good light and looks really nice in the PSU. Easy hook up, runs cool

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I bought this fan to use as an exhaust fan at the back of my case. I had a nasty scream going on so I replaced all my fans and now everything is quiet. Moves air pretty good and the red is a nice touch in my otherwise blue lit case

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I installed this fan with no problems and it performed better than I expected.

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I got two of these and they blow like a silent tornado!!! I thought they would be loud but they are silent. GET IT!!!!!!!!!!

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I wanted some good air flow in by pc i was building. heard these were good plus i wanted the red lights. I have no complaints about the airflow but i wish the lights in them were a little brighter. overall good for airflow bad for pretty lights. Noise produced is about what i expected so no complaints there.

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Having had to replace about 3-4 dozen cooling fans here at work I can tell you from my experience that the most important thing you must require of any fan is that they use Ball Bearings, NOT Sleeve bearings. Ball bearings type fans last 5 to 10 times as long as the identical sleeve bearing fans. That's why they're just a little bit more expensive. They're well worth the extra cost!

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cheap, easy to install, nice red light, moves alot of air.

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Good fan here. LEDS are NOT BRIGHT like the picture shows,very dim but moves tons of air and very quite Overall still would buy again

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Bought 2 of these in store, price is right moves alot of air. 3 pin connecter allow connections direct to motherboard. Quiet, cant even hear them. Definately a must buy for anyone that needs a good fan in a budget build. Leds are meh, but i bought them for air movement leds are for kids that like flashy things.

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these things move a lot of air. i have 4 of them in my case right now and will be ordering 2 more. when you have them set up to pull the air out the red leds are dim but its still red and i like it lol. 2 of these on the top of my case in pull creats 180cfm i can feel the air a good 5 feet away. NZXT BETA EVO case MSI 785GM-E65 mb AMD Athlon II X3 425 Processor oc 20% to 3.24 Cooler Master Hyper TX3 CPU Cooler 4 gigs g skill ddr3 1600 XFX Radeon 4650 1gb vid card 4 of these fans combined with the stock fan create 400cfm of airflow the hottest temp in my case after 5 hrs of Modern Warfare 2 with graphics on max and dual monitors is my video card at 53C cpu never gets above 45C

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Picked up 2 of the fans listed and found them to be just what the ad tells you it will be, the low price in no way reflects on the quality of the product.

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The piture you see here is very misleading. LEDs are very dim. If you are looking for a nice bright LED fan this product is not for you. Other than this it spins and blows air fine. I bought it mainly for the glowing effect, but I am very dissapointed.

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I use it as an intake in the front. The lights seem bright enough to me, but maybe it's just my expectations. It contrasts good with the Blue of the power button on my Thermaltake Case. Working for over 6 months.

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With the price my expectation was exceeded. Thanks!

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moves air outstanding in or out the computer. very strong. if you are looking for a fan mainly for the lights, this is not the one for you. it's very, very dim. thats' the reason why i gave it features a 4.