COOLER MASTER R4-L2R-20AC-GP Blue LED Case Fan

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Great fan, works really well. Blue LEDs are very bright. Remember to PM on this item.

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Great Fan looks nice works well not to lout but the LED could be a bit more brighter to light up the case like the 80mm fan i got which lights the whole side up in my room but other wise the fan is great so there fore 5 Stars i think you can change the lgith your self if you like ... i think lol

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This is a great fan if you have a fan controller. At full tilt the fan isn't really noisy it's the air flowing so fast that you can hear it. Don't really know if that is a flaw or not. You just slow the fan down a bit and everything is silent and you still have great air flow.

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Bought this to replace the stock corsair fans on my H70. Way better.

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these worked well for budget build, in the future I might consider getting noctura fans when they go on sale instead, cost about twice as much as these when the noctura fans go on sale, but those are much quieter, overall, good bang for the buck

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These are cheap case fans. However, they make a considerable amount of noise, which was more than expected. Still a cheap investment for increasing air flow, but avoid if noise bothers you.

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Great fans ! they are not too loud and looks great overall

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i really love these fans i replaced one case fan with one of these sure works better than the one that came with it .... and got 2 others for a push pull setup on my water cooing kits mad the temps drop  by 10 degrees which floored me so i am very happy with these every one should get them.... and they look pretty

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If you're looking for a fan that moves a decent amount of air and has blue LED's, consider this one.

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Got myself one of these babies during the weekend in-store special. I love how the LED light looks when peering into the window on my case. On minimum setting its barely audible, and still pulls a noticeable amount of air (while waving a piece of paper behind it). At max it can get kind of annoying, and likely not the specified 19DBA.My only major complaint is that the cable on it is kind of short, but can still extend to anywhere on an ATX motherboard. Though, if you use it as a read exhaust fan and have a fan controller that occupies a front bay, you will need to use the fan controller's extension cord to hook it up. This review was modfied by poster @ 12-12-10 09:08 PM

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$5 fans. Win.LED. Win. (if you like that)Good CFM? Win.Overall this is a winner. Fits in my case and lights it up good.

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Sounds like an airplane taking off with 2 of them in my case, needs a fan controller. The LEDs are nice and bright, but there are better blue led fans out there. The fans itself are nice looking as well.

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Purchased this fan as an intake fan for my Antec 300. Picked it up at a great price after price matching, and it works as intended. The blue LED lights up the fan nicely.I found the fan to be too noisy as an intake fan so i added on a low noise adapter from one of my Noctua fans. While it does reduce the noise and has the fan spinning slower, there is now a noticeable "clicking" sound coming from the bearing.

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Bought 5 of these and only 2 were the same color. They were different shades of blue. So get these if you don't care about the LEDs. They do move a lot of air cheaply.

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i purchased two of these fans about a month ago and am very satisfied. would surely buy more.these fans fit in my coolermaster elite 310 case with no hassles thank you ncix for fast delivery.

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Very strong Fans, very quiet for 2000RPMs, I'd probably buy more, but there too much work to get the Default screws to fit...

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Great fans .. ordered two to cool my hard drive bays.Only complaint ... ordered to fans - two different color of blue LEDs ??!?!

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I got a bunch of these to go with some cases that I bought. They look nice, sound OK, and I have no complaints. These things are pretty simple and there isn't a whole lot to say about them.

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simple fan, it's got good air flow runs at 2000rpm supposedly but runs around 1900rpm on my computer currently.it's doing better job and cooling my h50 paired with gelid wing 12, push and pull.it is loud

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Screwing the screws into the fan caused the plastic housing to move aroundDo not run at full speed behind a mesh grill. Very loud!Much quieter when plugged into mobo and using speed control.Blue LEDs are not super bright (which is good for me)

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I have two of these in a push-pull configuration on a Hyper 212 and couldn't be more pleased. I run them at full speed because they are quiet enough to do so and they move lots of air. They look really good and have nice blue leds not the cyan/faded blue looking ones that a lot of stuff has.I am very happy with them. Have had them for almost a year and they still work great.

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I bought these after reading some reviews people mentioned that this fan is quiet and "super quiet". This fan is LOUD. only good thing about it, it's cheap and moves air. but I cant sleep with my PC on anymore

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I bought 1 to test out, was very happy I only bought one. It does move a good amount of air, but its noiser than it should be.

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these fans in my opinion are the best fans you can get they move a lot of air with their hydro like fins on the fan and suprisingly are super quiet

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Works like a charm, bright at night, quiet, can't ask for more. Now let's see how long this will last.