Beware of noise levels when buying computer power supply units (PSU). In particular, I bought an EVGA 600B PSU with unacceptable noise levels reaching 50 dB, killing my ears. Seems like the product behaviour is designed this way. Look at the information presented in this website, with measure noise levels reaching 50 db for the EVGA 600B.



"The 600B puts out very little noise at up to 200-250 W; that is, during normal ambient. Its noise output slowly increased afterward, reaching 46-49 dBA, which can be intolerable for users with sensitive hearing. Fact is that typical load noise should remains between 37-40 dBA, which is, compared to Gold and Platinum units, low enough for a Bronze unit with increased thermal dissipation."

I wish I had known this before buying. I did look around the web before buying, including the EVGA website, but there was no indication of noisy behaviour.

Looking at one of EVGA competitor specs, Thermaltake, specifically the TR2 600, shows much lower noise level, below 40 dB.  Refer to website I just bought a TR2-500 from them, very very silent.



The noise level beyond 300W for the EVGA 600B is not an inconvenience, it kills my ears. I asked EVGA for a refund. I recommend not to buy EVGA PSUs, look at other brands with respectable noise levels, such as Thermaltake.

A disgrunted Customer

Super Flower make 500W Fanless Platinum. But cost same as EVGA 750 G2.
Amazon.uk ask 130 pounds for that 500W PSU.
Everything depend from price...
TPU measure Noise rating 40-41dB for EVGA 600 Bronze 30C...
Even little lower than 1200 P2. Example for me my PSU is very silent even with fan on.
For 500-600W I would pay 750G2 and disable fan, PSU have Best ratio Performance-Dollar on TPU site.
I even saw sometimes price 80-90$ with some rebate and other good offers. You buy once in 7-8 years and no problems.

I believe you if you say so...
Only 69$ for 600W Bronze looks very close some nice offers for EVGA 750G2...
I don't know what you have from other component and how much you think to pay...
Same happen to me once with CM 750W one old series, I didn't read comments and advice and I listen only CM and PSU literary scream with single 4890 don't even to talk about software reading difference...
OK they are not always accurate because readings was so bad that computer couldn't work if that's true. 
CM never had such mistake again and after that I change PSU fast. What other people tell me later that PSU could deliver only 500-550W in specification...
If you decide to check something better you see how small is difference 20-30$ sometimes ... 
 
http://pcpartpicker.com/p...wer-supply-220g20750xr