svata Posted September 3, 2009 Share Posted September 3, 2009 Hello. I want to buy a really silent power supply and i like VX-550, TX-650 and HX-520. All of them use the same fan (AD1212HB-A71GL rated at 2200RPM and 12V) but with different fan speed controller. From a review http://www.silentpcreview.com/article692-page4.html , I know the voltages of the fans at specific load - the fan voltage of HX-520 from 0W to 300W is 3.88V, at 400W is 5.95V, the fan voltage of TX-650 from 0W to 250W is 3.9V, at 300W is 4.8V and at 400W is 8.8V. That makes the HX-520 more silent than TX-650. Does anyone know what are the RPM of the fan of HX-520 from 0W to 300W, and at 400W. Knowing that I'll have much better idea how silent is HX-520W. Link to comment Share on other sites More sharing options...
rogue71 Posted September 3, 2009 Share Posted September 3, 2009 well i dunno much about voltage details but ive had 3 of the hx520 psus for about a year and a half in my kids systems and in my htpc and they are very quiet. im not an engineer but to me the numbers you have should be backwards. i would think the 650 would need less fan speed as it wouldnt be working as hard. if the 520 was at 60% its working harder than the 650 to keep the same power going. unless corsair has the 650 made by another supplier, which might compensate for the difference. anyway the 3 hx520 psus i have i really like and have had no issues with sound. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted September 3, 2009 Corsair Employees Share Posted September 3, 2009 I do not have the rpm data, but I do have noise level chart for this PSU. You can find chart for other PSU on our website as well.. http://www.corsair.com/_images/charts/hx520w_noise.jpg Link to comment Share on other sites More sharing options...
svata Posted September 4, 2009 Author Share Posted September 4, 2009 Thanks for the response "rogue71" & "RAM GUY" . I've seen these charts, it's just that I was wondering if anyone knows the RPM but I guess if "RAM GUY" don't know them than noone in this forum will. Link to comment Share on other sites More sharing options...
FEAR6655 Posted September 4, 2009 Share Posted September 4, 2009 All my Corsair PSU's are the quietest components in all my systems (even hard drives are louder). Link to comment Share on other sites More sharing options...
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