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PSU about to die on me?

Last response: in Components
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May 21, 2008 8:36:11 PM

Here's is the situation.
while playing jericho for an hour or so (and when about to save a checkpoint) my psu shuts down instantly.

these are my specs.
dual core amd 5000+ black edition overclocked to 3ghz.
geforce 8800 gt 512mb also a bit overclocked
2 gb ocz 800mhz ram
2 RAID sata hard disks.
thermaltake 420w PSU.

More about : psu die

May 21, 2008 8:39:11 PM

I forgot to mention that everything else is at stock speed / voltage except cpu at 16x multiplier and 1.45v.
Video card is oc at 690mhz GPU and 1030mhz mem
May 21, 2008 8:49:18 PM

Does it boot up? Try a spare PSU if you have one.
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May 21, 2008 9:45:12 PM

brainii1 said:
I forgot to mention that everything else is at stock speed / voltage except cpu at 16x multiplier and 1.45v.
Video card is oc at 690mhz GPU and 1030mhz mem


Yes, you need a new PSU. The one you have only has 18A on the 12V rails, I believe. The minimum requirement listed for a 8800GT 512 is 22A. And using the extreme psu calculator, your system comes to 23A. You should get a good quality psu with about 30A on the 12V rails. Usually you can find good deals on Antec or Corsair PSUs. If you're looking for the cheapest, but still good quality PSU that will handle you system get this.

Antec Earthwatts 380 for $30AR shipped It's a great price. However, this is the bare minimum size PSU that you should get. You may get something bigger if you want to upgrade later. The key number to look for is the combined amps on the 12V rails. This is what supplies most of the power used.
May 22, 2008 5:10:11 PM

well, my old PSU had 15A *2 12v rails actually.
anyhow, I have today bought a Corsair VX550 PSU. It's got 41A on a single 12v rail and 5 years!!! warranty for 85 Euros. It'a also quite heavy (which is good).
I havent tried playing yet, but I think this will solve my problem.
May 22, 2008 6:08:11 PM

brainii1 said:
well, my old PSU had 15A *2 12v rails actually.
anyhow, I have today bought a Corsair VX550 PSU. It's got 41A on a single 12v rail and 5 years!!! warranty for 85 Euros. It'a also quite heavy (which is good).
I havent tried playing yet, but I think this will solve my problem.


Good choice. That's a nice quality PSU and should serve you well. GL
May 25, 2008 8:28:59 PM

Well, after a few days of heavy gaming I can report that the pc no longer shuts down with the new PSU.
I guess the old one didnt have enough voltage and was shutting down when stressed too much on a hot day.
!