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

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Nice fans for a gaming case. Looks awesome! Performance is great, and quiet. I would buy more if I need it. I recommended it.

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Price matched 3 of these at 1/2 price, could not be happier.Possibly not the best fans for a quiet system build. Tho not what I would call loud at full speed they are a little noisy.Overall these work well and are cheap5 stars at 1/2 price4 stars at reg price

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this is a great fan for overclocking, I really like the blue leds on the fan, they match my build really well

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I bought this fan to go with my computer case that has blue leds. Design wise, it lets a nice blue going out on the sides as well as in front. Nice if u want to add, else no need to take a fan with color. Works well

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ventilateur très bon rapport qualité-prix

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Moves significantly much more air than the more affordable 2-pack CoolerMaster fans, which this replaced, but with drastically enhanced noise. three-pin connection is excellent for minimizing cable clutter. 19 db is a negative joke, much more like 26 db or so. LEDs only visible if utilized as an exhaust fan. If you use it as an intake fan, as I am, they're practically undetectable, even though they do light up the inside of the case. Not a quiet Pc fan, so don't be fooled by CM's exaggerated claims. It does come with a 3-4 pin molex adapter.

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Got 2 falf off. Get them if you need them

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nice lights ye, very quiet and 120mm too so it can push lots of air

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Bought 2 of these to go on the side window of my Antec 1100. The LEDs are the same royal blue color as the ones used by Antec which is a huge plus for me because I'm a perfectionist. :)

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good air flow, quiet, value. LEDs seem far more purple than blue. they dont match the blue of the antec fans. not worth an egg. this fan is actually quiet at one hundred% and moves a great amount of air. i would recommend this fan to anybody.

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It's bright but works great! Next time I would likely get one without the LEDs but oh well. I wouldn't recommend using this in a machine that is kept in your bedroom.

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Got a pair of these a few times when they were $5. Very happy with them and would buy again in the future

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High air volume, low noise volume. 2000 rpm This fan is an excellent choice for replacing stock case fans. It's airflow is powerful and the noise is not. I did place a resistor on mine due to the fact the fan at 2000rpm is audible (not loud). I can\'t hear it at all now and it nevertheless moves a ton of air. I bought this to replace my silenx 120 which was louder than something in my case. It didn't match it's specs at all.This fan is believably close to it's listed specs.No regrets on this purchase. I would, and probably will acquire it once again.

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-Pushes ALOT of air-for what you get, the value is extremely excellent-Quiet as exhaust fans-LEDs are not overwhelmingly vivid None...Use The Screws To Thread Them!!! I bought 2 of these. Put one particular on my Thermalright Ultra 120 Intense thats cooling my OC'ed i7 860 and the outcomes had been Fantastic to say the least. Old Idle temps were 39,36,35,32...Now I get 34,32,32,28 with it operating ʃ.5GHZ. Utilizing the other as an exhaust fan in my Coolermaster 690 II situation. Every little thing is cooler now. Will get 2 far more sooner or later to replace the two exhaust fans in the leading of my case.My rig:-Intel i7 860ʃ.5ghz-Thermalright Ultra 120 Intense-Gigabyte P55A-UD4P-2X Asus Radeon HD6850(awesome cards)-G.Skill Eco DDR3 1600 7-eight-7-24-2N ƒx2gb)-Pc Power and Cooling 750w Silencer-Asus 24X DVD-RW drive(Blu-ray for next upgrade)-CoolerMaster 690 II Basic(best Bang-for-Buck situation)-Windows 7 Ultimate x64-Acer X223w 22" WS LCD-Microsoft Reclusa Keyboard-Logitech G500 mouse

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Good fan for the price (i paid 4.95 with price check) Noisy at full speed (louder than my noctua but push a lot more air...) happy to use them with my kaze fan controller, work perfectly ;)

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- Cette fan fonctionne à merveille mais elle est assez bruillante et c'est son plus grand défault puisque j'entend juste elle qui tourne dans mon système et par chance j'en ai acheté juste une sinon je m'entendrais plus parler dans ma chambre mais à part ca c'est une excellente fan.Merci ! :)

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Just enough glow devoid of getting vibrant as hell. Fairly quiet. For some reason these fans are difficult to clean. Dust almost turns into glue on the blades. One thing about the material. My exhaust fan is a breeze to clean compared to these. I also clean my situation out every single two months as needed. Airflow on these is not extremely direct, a lot more of a multi-directional poof. Tested this with a smoke box. However they do pull a lot of cold air in, so not all that bad. I wanted this to blow ideal on my gfx card but i feel its going everywhere else.

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They are blue and appear nice. They fail, swiftly and typically.Customer Service could care much less...and they outright lie about replacements. 5 e-mails...five phone calls...3 promises...no replacements and no e-mails or calls to say when (if) they are coming. No tracking numbers for the fans they mentioned they would replace.I will Never buy another Cooler Master product...and I have spent literally thousands of dollars on parts from them for customers. That is the last order and the last dollar they will see from me.Lying is unacceptable...as is failure to live up to warranties when all of the needed RMA steps have been taken. Manufacturer Response:Dear Valued Buyer - We apologize for any inconvenience. Please make contact with us with the Part Request number in question so we can get this rectified via the Live Chat link. Respectfully - CMUSA Customer Support.External Link(s): Live Chat|

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Quality fan for a decent price. No complaints!

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Great all around fan. Bought 4 of these and would buy more if needed.

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a lot of ppl complain about the noise it makes, but i dont hear much tbh. sure there's a faint humming as its shooting out air (lots of air i might add) but it doenst sound disturbing.used this to replace a stock antec 3 speed. compared to my stock fan, this is a godsend. my stock fan barely moved air, i barely felt anything if i put my hand up against the grate. the coolermaster R4 is a dramatic difference -- i'd put mmore in my case if i could.

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Moves a superior amount of air. Its a fan how substantially could be wrong with it? Its far from silent but It isn't that bad either. Nevertheless -1 egg. Sound is much less than some 80mm fans I have owned but a LOT far more air is being moved. Not poor for the cost. With a fan controler to set 1 speed this would be an general five egg great fan.

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I was looking at fancying up my generic Cooler Master case with some blue LEDs, so I opted for this fan.The fan itself moves a lot of air, but it is VERY LOUD, it was unbearable so I went back to the original Cooler Master fan (despite both being rated 19 dB). The LEDs weren't exactly bright enough to brighten up my case.

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Good Case fan, a bit noisy if you can't control the speed but at a decent price.

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They blow challenging (heh) and they are blue. It's achievable to screw the screws in by hand, but I ended up employing a drill. I'm confident there's an explanation why the plastic doesn't come threaded. If you have a drill then installing these is straightforward and fast.