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Defective Power Supplies?

P

Paschen

n00b
Joined
Oct 14, 2004
Messages
4
My brother and I order the 510 Express from PCPowerandCooling.com for our new systems. I am reusing my LianLi 75 case so I was the first to put together my new system and I was surprised to find that the fan makes a loud whining noise once the system warms up. I figured it was a defective unit and since my brother works in the same office as I do I borrowed and installed his 510express and the result was the same. After the PC is running a few min the PS starts to whine. I emailed PCPowerandcooling about it but have received no response yet. I really want to use their products but this whine is so annoying I hate using my PC after a few min.

For what it's worth, the system is a P4 3.4 Prescott (stock cpu fan for now), Asus P5AD2, 1 gig memory, ASUS PCIe X800XT video card and I have 4 "silent" case fans. I've tested without the case fans and video card to pin down the source of the sound and I'm 99.99~% sure it's the power supply.

Is this normal or did we get 2 bad units?
 
The fan on mine isnt exactly quiet, and even moreso if it speeds up (normally happens when im running a game and its really warm in my room). I have 4 coolermaster fans in my case, plus a 92mm panaflo and a AC5 cooler on my GT, so i cant say that it bothers me, but maybe if you have a fairly quiet case you might find the PCP&C loud. Mine definetly doesnt whine though, its just the sound of the air moving.
 
PC finally replied and said to keep them both running for a few days and see if it gets better because "It maybe the fans were bumped during shipping". Okkkkkayyyyy, I've already been using it for a week however, I'll wait until the weekend then RMA on Monday.

So I'm back to research for another good PU. I want a v2x compatible PU with SATA and PCIe connectors that can handle a workload without trouble. But I also want one that is as quiet as possible. Right now my choices seem to be Enermax or Antec.
 
if there is room around your connectors you could expand that to any
EPS12V power supply (the 4 pin Auxillary +12V connector is basically a double at 8 pins), you might hot glue it as the "clip" will be slightly misaligned, generally they will hold without that, and are keyed the same, however there is a minimum of 3 +12V rails
and youd not be employing +12V3 (split plane also have +12V4)

however, Im not aware of alot with PCI-E 6 pin video connectors yet

so its definately the fan?
Thats an awfully nice PSU, but annoying is annoying
replacing a fan is pretty easy, but popin the top voids the warranty
 
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