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

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Installed a pair in the front of an Antec 300 case... great airflow, LEDs aren't obnoxious. None that I can feel of

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I got this for my Antec 300 since it doesn't come with a side or front fan. At 2000rpm it sucks a lot of air in, but in turn it's quite loud.

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it is a fan with leds and it is quite so i dont mind it for 8.99 cheaper if you pricematch

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Like the blue led as I mounted one on front of case that I customized. On one case, I flipped the case cover upside down and the floppy drive openings provided good front airflow intake and on another case, I cut out the old gaming emblem, installed some window screen as a air filter, and used an old power supply fan grill to customize the airflow intake.

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work great, a small loud, but they push a crazy quantity of air they are not blue if you ask me they are violet...and the three pin to molex cable adapters that came with suck. 2 out of three broke the initially week... not worth the rma hassle... im a tiny bummed but whatever nonetheless a wonderful fan windows sucks run ubuntu!

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Bought two of these to improve my airflow.They do what they need to do. Moves a lot of air, and lights up blue!

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Wow, Awesome airflow. I bought two of these for my CM 690 case at the top rated, 1 for intake and one for exhaust. I'm nuts about my temps so I dont at all mind the noise. They lowered my GPU temp but about five degrees and my CPU temps by five as properly. They are noisy but as I stated, I really like noise. One particular issue I will complain about is the screws. I dont know in what mindset you wouldnt grove the holes prior to you screw in the screws. That was hard. I also bought a 650w modular corsiar PSU with these. Understanding that its slightly greater than my old PSU, I'm honestly much more than half tempted to replace all my 120mm case fans with these points. The blue light is rather quite

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Although my computer looks super cool now, the fan is a bit loud. Maybe I should have waited for those other fans to come into stock.

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Bought 2 for $4.99 or $3.99 was weekend deal cant remember and 1 for $8.99. Bought all 3 about 6 months ago. All still working very well using in Antec 1200 all as intake. Undervolted 2 with MB and 1 with resistor. Undervolting will cause the LED to be not as bright but much quieter moves less air of course. For the sale price good fan at regular not a great deal.

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This factor can move some air. Blue LED's appear good. Fantastic value too. None appropriate this second. Woops, it just blew up. J/k.

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Runs excellent. Great CFM/dBA ratio. All my fans have the blue LED issue. I have two of these. None. Oddly the newest/second 1 of these I purchased makes use of 2 distinct color blue LED's. This new one has 3 LED's that are a slightly lighter blue and the 4th is a slightly darker blue then all the other people in my case. Get this fan. Get a couple!

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Same review as I gave the 200mm magnaflows. These are are quiet, smooooth, and have a nice glow. none. Do you have one particular thats clear?

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Not a ban fan, I replaced two I had as top exhaust fans with a Bitfenix 200mm on a corsair 650D and the vibrations and weird ticking noises that drove me crazy are now gone. I did keep one for the rear exhaust fan as it works fine. I would not suggest these if you require them to be installed horizontally.

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A good fan that does the job.

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Excellent fan that is quite quiet and move a lot of air. I bought it for a push/pull configuration for my CPU cooler. It works great. I got it on sale so it was quite the deal. Would buy it again.

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This fan genuinely is wonderful. At initial I believed the shown noise level couldn't be doable but now getting it installed I am really surprised to locate that I can not hear it even as it pushes huge amounts of air. The install was a bit tougher than it really should have been, I'm not confident if this is typical for this type of fan but the fan was not threaded for the screws which were included, as I outcome I had to use a power drill to make the threads. Not enough to drop an egg as it only added a tiny quantity of additional work in the install. This fan produces completely no noticeable sound for me. If you are getting sound you most likely have not secured it well enough and it is vibrating against the case. I have two of these and both function amazingly for me. Personally the only items I appear for in a fan is that it pushes lots of air and tends to make small to no sound, this fan does both very well.

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Quite nice looking fan, LED 's are good and vivid, lol vivid enough in reality that they almost cancel out the blue led from the ZT Nirvana hsf. Significantly quieter than the stock case fans on the Raidmax smilodon. Moves air really nicely for the fan speed and noise level. Other than some troubles with UPS's failure to deliver properly, the only complaints I have are that they send the old fat thread case fan screws to mount with. I hate those issues, and they seldom fit the fan mounting holes, usually finish up having half of them strip out the head just before receiving them all the way fastened. Wish they'd alter to push through long screws with cap nuts, or push by way of tension pins.. Bought to replace a seized up raidmax 120mm fan, like it so far.

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Awesome fan, got 5 for an Antec Eleven Hundred and it looks gorgeous. For the price, you can't go wrong with them, they have an amazing airflow.Somewhat loud, but can't complain for this price!

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Nicely match a CM Advanced II case (modded red).

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High air flow, 2000 rpm, near silent, lights are directed to the inside so they don't blind you Not confident how men and women are getting difficulty with the screws, this is just like any other fan, you just screw it into location.......... I liked the a single I obtain so considerably I'm going to replace the other 4 case fans with these, due to the high air flow and how quiet they are. Wonderful more than all fan.I5 750, Zalman CNPS9900ALED 120mm4 gigs G skill ripjawGigabyte GA P55 USB3XFX GTX 285 XXX Black CM690

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Moves lots of air and it's a LED fan, but it's kinda loud...

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Got this fan to replace an aging case fan and for the price, its great! Runs quiet and helps keep my rig cool. The LEDs are an added bonus and look great on my intake.

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Blue LED is good. Very good cooling. LOUD. L O U D. L O U D. Maybe I just happened to get three negative ones, but with any one particular of them turned on I can hear it from across my apartment with my Tv turned on. Extremely disappointing because the stock 120mm CoolerMaster fan that came with my CoolerMaster case is particularly quiet. Granted the stock fan runs at half the speed, but still, for a product advertised as operating "silent" and the number of superior evaluations I read on these points I expected at least not to be in a position to hear it in the subsequent room. I had good experiences with CoolerMaster solutions up till now. Will be seeking for replacement fans from a different vendor. Manufacturer Response:Dear Valued Customer - We apologize for any inconvenience. Please make positive to connect the fans to the motherboard and not the energy provide. If connected to the energy supply, the fans will run at full speed no matter what. If connected to the motherboard, they will run as developed. If you have any other concerns, or think the fans are poor, please speak to us by way of the Reside Chat link beneath to get these fans replaced. Respectfully - CMUSA Client Assistance.External Link(s): Reside Chat|

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I bought this because I had a 120 mm fan shooting at my graphics card, but that fan was for my liquid cooling and I needed it back. I bought this one to replace it hoping it would cool my cards as much as the other fan. So far it works great and I am happy with it.

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moves alot of air none love the blue