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750w for 5970?

Last response: in Graphics & Displays
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April 22, 2010 6:42:45 PM

Hi. I've just built a new rig, consisting of the following hardware:

Asus P7P55D-E pro
i7 860
8gb G-skill eco
Chieftec Super Series 750w
3 hdds
1 optical drive

Will the psu be sufficient for a 5970? And oc, too.

More about : 750w 5970

April 22, 2010 6:58:41 PM

I would be a little worried about this particular psu. I've never seen the brand before looking it up and it's rated at 750watts maximum not continuous. So you could probably get by with it, but i would suggest getting a psu rated at continuous even if it's a lower rating, a 650 continuous, IMO would be a better buy
April 22, 2010 7:04:27 PM

The Chieftec power supplies are very good. Very little ripple, within 1%

750W would definitely be enough. Enough for an additional 5870 or 5850.
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April 22, 2010 7:04:46 PM

Never heard of Chieftec? Wow... :o 

Well, the psu was made by the same company that makes Corsair and Enermax, afaik, the base is the same.
April 22, 2010 8:40:50 PM

Quote:
Peak load when overclocked came in at 486 watts with load temperatures peaking at 69 Celsius with the fan at 85%.

Quote:
* Processor: Intel Core I7 920 150x20
* Motherboard: MSI X58 Eclipse SLI
* Memory: Mushkin HP3 12800 7-7-7-20
* Video Card(s):Sapphire HD 5970 OC
* Power Supply: Mushkin 800 watt Modular power supply
* Hard Drive: 1 x Seagate 1TB SATA
* Optical Drive
: NEC DV5700
* OS: Windows Vista Ultimate Edition SP1 64bit
* Case: Thermaltake Armor +

http://www.overclockersclub.com/reviews/sapphire_radeon...

You'll be fine.
April 22, 2010 8:53:53 PM

Great. :D  And there seems to be space for some OC, too. :D 

Thank you.
!