COOLER MASTER R4-C2R-20AC-GP Case Fan

Comment:
This fan seems to have mixed reviews. I only bought one for my cool master case and was very dissapointed. Too noisy, sounds like a hairdryer on low setting. Bought the thermaltake 120mm turbo fans instead.

Comment:
These fans are very very quiet for the amount of air they move. These are the only fans I use when I build computers, simply the best bang for your buck, and very reliable.

Comment:
Cheap and moves alot of air . I mounted in the front of my case so its a little noisy about like my laptop. I will be puting the case on the floor so the noise wont matter anyway. The air comming out of my case was warm before now it feels the same temp as the room.

Comment:
I'm not saying this is a bad fan, but it's falsely advertised. At 19 dB noise level, it should give off less than one tenth the noise of an average fan, but I found it just as noisy as a mediocre 80 mm fan at full speed.

Comment:
I put 4 of these in a Cooler Master CM690 to fill up the empty fan slots. All the fans that are controlled from the motherboard are quiet. The 2 fans that I put in the side of the case are running off of full power from the powersupply and they sound like a hair dryer. I can hear those 2 fans from 2 rooms away. A fan controller or a set of filters would fix this problem. One fan died already within the first week. It does'nt make noise, it just quit spinning. These fans can really move some air though. I would buy them again.

Comment:
The fan is very quiet and efficient.

Comment:
I've had it for a month, and with all the other fans i have to cool my rig, i can't hear this one. Its pretty quite and it moves alot of air towards my gpu's. Helped dropped my temps at idle about 8 degrees and at load; about 12. Not bad for 8 bucks.

Comment:
ok first with the stats: 23dB @ 2000rpm (max 90cfm) 19dB @ 1500ish rpm (67cfm) amazing cooling, i've just designed a system with 7 of these in an NZXT Rogue after replacing every 120mm fan in my other systems. for reference the system i am running now until the rogue is done was 45dB with 2 x 120mm fans, it is now running 4 of these and topping out at 29dB (lower than normal empty room noise) you can hear them but they dont squeal, grind or buss like other fans i have used. so far all have held performance for over 4 months now and at the price you cant really moan about having to replace them once a year.

Comment:
Lasted two months, then lots of noise (sounds like a bearing/bushing noise).