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Upgrade PSU for Studio XPS 435 MT

Last response: in Components
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December 17, 2009 10:39:06 PM

I bought an XPS 435 MT with the low end card and a plan to upgrade it myself. Then I bought a swanky BFG GTX285 with 2GB. Time to upgrade the power supply - things are a bit tight, so I went with a Corsair HX650W.

After install, the light on the MOBO shows, but pressing the power button does nothing other than cause it to blink off then back on once. I reseat and retry with same result. So I take my sys to the local computer store where a friend double checks me by plugging in his Corsair 650. Same result. I plug the factory 350W back in, all is well. He plugs in one of the store's 350's and all is well. Back in with my 650: MOBO led on, blinks off/back on when power button is pushed, no fans, no post, nada.

What the???

D
a c 243 ) Power supply
December 17, 2009 10:56:42 PM

Corsair and Dell have had compatibility issues since the XPS 420, best thing to do is return the Corsair and replace with another brand.
I know that the Antec EA650 worked but it doesn't quite match the quality of the Corsair HX so I'll reccomend the Antec TPN 650.

No, I'm not an Antec fanboi, the Corsair HX620 worked perfectly in my XPS 410.
December 18, 2009 3:03:35 PM

Ack, typo. My friend put in his *Antec*, same results as my Corsair - silence! So, two good 600w+ supplies nothing, two <600w supplies work fine... Hmmmmm
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a c 243 ) Power supply
December 18, 2009 3:10:11 PM

Which Antec ?
December 18, 2009 4:34:48 PM

delluser1 said:
Which Antec ?


not sure sorry. I know it was in the 600w range. I'm willing to try again, obviously :) 
a c 243 ) Power supply
December 18, 2009 4:38:20 PM

Would be nice to know, as I said the EA 650 has been shown to work.
There's always the Corsair TX650, not as good as the HX and not modular but a great unit just the same.
!