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Cooler Master R4-BMBS-20PK-R0
6.8 out of 10

Cooler Master R4-BMBS-20PK-R0

Great Deal: $10.49

Reviews and Problems with Cooler Master R4-BMBS-20PK-R0

Showing 1-10 of 97
Overall 6
6.0

Why does the "pretty" side of all fans have to be the side that draws air in, instead of pushes it out?

Gary Z., Amazon
3 weeks ago
  • Summary: Why does the "pretty" side have to be side that draws air in, rather than pushes air out???? I would like to find a fan that pushes air out, instead of pulls air and DUST into my electronics and computers. So why does the "PRETTY" side of all fans have to be designed to pull air in (AND DUST) in??? If I put a fan filter on. Then it doesn't look so nice. Its not such a big deal on THIS fan as it isn't an LED lighted version.
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Overall 6
6.0

But the quality of mine was not that great. It lasted for about a few months and ...

Philip Tran, Amazon
18 March 2015
  • Summary: I only bought this fan because it was cheap, and it was black with no LEDs. But the quality of mine was not that great. It lasted for about a few months and died! I had it running on a fan controller using the motherboard to control the fans speeds up and down. and it started making weird noises one day. And eventually the noises got worst until it was TOO LOUD. I ended up throwing it away and used the stock fan that came with the case.
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Overall 6
6.0

OK fan

Olga, Amazon
12 February 2015
  • Summary: I've been testing a pair of these babes on my computer for two days and I believe that I am ready to make my review. To start the fans are easy to install, just plug in the 4 pin connector unto your motherboard and you are done. No instructions on what direction the fan goes is provided so people than have never installed a fan before are going to be left wandering.
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Overall 10
10

Excellent fan, if bought at the correct price

Samilof, Amazon
11 February 2015
  • Summary: Fantastic static pressure fan, if purchased at the right price. I have bought 4 of these fans over time because I like them so much. The most I have paid for one is $9, and it is unsettling to see that the price has gone up recently. I don't think that they are worth more than $10 because they are a sleeve bearing, and generally don't have the longest lifespan, but at less than $10, they are amazing.
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Overall 8
8.0

Works like original...except sound.

BigBrutal64, Amazon
31 December 2014
Overall 10
10

Used this to fix an overheating problem.

Bill Radmer, Amazon
9 December 2014
  • Summary: I used this as an extra fan to fix one of those mini-desktop computers from HP that always run hot. I wish I could remember the exact model of the computer so I could steer everyone clear of it, but basically, the power supply has no cooling fan, and their later versions of this computer even removed the case fan. There is only one fan in the whole computer, attached to the CPU, and in my opinion, blows the wrong way.
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Overall 8
8.0

Works fine; Kind of loud though

Chas. M., Amazon
28 November 2014
  • Summary: This model was considerably louder than the previous Cooler Master I had that went out (due to my carelessness --don't move your computer while the fan is running or you can short it out). The fan easily mounted onto the existing Cooler Master heat sink I had installed. I haven't tried adjusting the settings to turn it down so maybe that's the problem with the noise.
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Overall 8
8.0

Nice fan.

Bobby Sea, Amazon
26 November 2014
Overall 10
10

Very Nice PWM CPU Cooler Fan

MINDSCI, Amazon
18 November 2014
  • Summary: I used this PWM fan to replace the stock fan on a Scythe Samurai II 92mm CPU Cooler. It is cooling a high performance PC I'm about to ship to my father in Florida. This Cooler Master Fan is able to effectively cool an Overclocked AMD Phenom II X 4 955 that is running at a very stable 3.6GHz (stock is 3.2GHz). Knowing my Dad, it is likely he will have the PC buried under a stack of magazines and mail, so a strong CPU fan is a must for his system.
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Overall 10
10

Works like a fan.

Matthew H. Worley "Film Maker", Amazon
15 November 2014
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