SLI PSU ?

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xpd

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#29605 13-Jan-2009 11:58

Im being given a mobo, ram and cpu with 2x 7900 video cards (SLI) soon so i can upgrade my ancient system..... Im going to most likely require a newer PSU to push the system along but Im a bit confused when it comes to the power for the video cards - do I need a "certified" SLI PSU or would any decent PSU do the job ??

I havent touched SLI since the old Voodoo 2 days and things have changed a bit since then ;)

Any info appreciated

Cheers

Gavin / xpd / FastRaccoon

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xpd

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#192305 27-Jan-2009 15:57

Im not the only one here running SLI (or going to) am I ?

Still along the same lines.... if I get a PSU with 1x 6pin power (for PCI-E), and also use a molex - PCI-E 6 pin adaptor for the secondary card, will this work fine ? All the FAQs on forums etc seem to answer every question about SLI setups except this

Gavin / xpd / FastRaccoon

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Ragnor

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#192404 28-Jan-2009 00:54

In my opinion... always stick with reliable quality brands for your PSU (Corsair, Antec, Enermax, Silverstone, Seasonic, etc), it's the most important item in the case! A bad PSU can destory every part in your pc if it goes wrong.

I would recommend a Corsair HX620 as a safe minimum for SLI 7900's. You might be able to get away with a HX520 is you're only running 2 or less hard drives. More hard drives and other hardware more power required.