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Crossfire PSU req's

R088ieS86

R088ieS86

R088ieS86

Soldato
Joined
25 Oct 2009
Posts
2,724
Location
Northampton
Hi Guys,

I am about to congratulate myself for nothing what so ever and buy myself a new rig.

Just wondering if a 750W PSU is going to be enough to power 2x5850's and an i7 920?

The Sapphire website says:
500 Watt or greater power supply with 2x 75W 6-pin PCI Express® power connector recommended (600 Watt and four 6-pin connectors for ATI CrossFireX™ Technology in dual mode)”
Click to expand...

So will the spare 150W be enough to power the i7?

I know this could have been placed in several areas but i really want to tinker with Crossfire and hoping several of you guys have 2x5850's and can share any problems/wisdom.

Cheers
 
The wattage definitely suffices the requirements of the system, you just to make sure the psu is of a decent quality and has enough volts on each of it's rails to supply a constant and even power supply.

what make psu do you have?
 
From it's specifications it appears to be a pretty solid psu, though an opinion from a psu expert or someone who owns this product would be much appreciated. The product reviews all seem good enough though so looks like a good psu for you.
 
The Be Quiet 750W is a solid PSU. But for that money I would suggest going for this PSU.

The corsair HX 750W may be slightly cheaper, but it is a rock solid PSU that is even more efficient than the Be Quiet and comes with a 7 year warranty. Here is a very positive review of this PSU, here are some more: [1] [2] [3]
 
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