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psu for 6970 cf

post #1 of 12
Thread Starter 
asus p8p67 pro
i5 2500k oc 4.2 to 4.5
hd 6970 cf
4 gb 1600

which psu do i need to buy?

iam having right now gigabyte p720w
post #2 of 12
I believe that a quality 850W+ should be fine, but with everything else OC'd and such I would get a little more so you don't stress it to much.

You can read this thread. Basically same question and setup.

http://www.overclock.net/ati/954254-850w-psu-strong-enough-6970-cf.html
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post #3 of 12
I dont know the quality of the gigabyte power supply but you should be able to handle an oc setup with 6970 in cfx with a 720watt psu fine.
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post #4 of 12
I am running an x58 setup with a 960 OC to 4.2Ghz and HD6970's in CF. According to my watts meter on my UPS I have yet to exceed 625watts. I use the Corsair AX750 and it hasn't had any issues running the setup.
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post #5 of 12
My brother has a 750 watt and it's working fine with his two 5870's.
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post #6 of 12
I've run SLi GTX 280's on a corsair 650W before. With an i7 920 @ 4.0.
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post #7 of 12
Daim lol! That system will run fine on a 650w...But if you wanna be safe, get a 700w or more...The most important part is to get a reliable psu. Not every 700w will perform the same, read reviews, get something good and you should be fine! A good ''quality'' indicator is 80+ certification...look after that!

EDIT**:Forget the 650w...I thought I had seen 6870...lol get something like 700w+
Edited by polm - 3/31/11 at 2:25pm
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post #8 of 12
Your psu should be ok if it is of good quality. Try it for a bit but if you start getting any wierd issuess with no other explanation then by all means replace it asap
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post #9 of 12
Sorry to use this thread for this question ... but do you think that 500W are enough for 2 6970CF with overclock?

Well, i'm asking this because i've a HX1000 and is a 2 rail psu ... so i was thinking on using the 2 rail that has 500W only for the cards. HX1000 is under-rated so maybe there's more than 500 ... but i don't want to go that way, so i'm just counting with the 500
post #10 of 12
Fully unlocked the cards can push upto 250w ea.
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