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Phaedrus Quick'n'Dirty PSU calculator - Page 25

post #241 of 337
Thread Starter 
HX750 is a good unit. It needs to be added back to the list, we got some bad info on it being discontinued while it's actually still being made, although in lesser quantities.
post #242 of 337
Ok okay ^^
So you think that it could be alright after o/c the system ?

EDIT : Yes ^^
Thanks for your help !
Edited by fan_ferrari - 8/21/11 at 10:38pm
post #243 of 337
What does everyone think of this PSU article by SilverStone?
post #244 of 337
I think that they want to sell you more PSU than you need. Also this.
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post #245 of 337
Did the 6970s get bumped back up a catagory again?

also, i see the 6950s are a step down, if someone is unlocking them, then at that point they should be = in power to a regular 6970 right?

and 1 more thing, if 2 6970s required 750w, how do two 6990s need only 900w? only 150w more for an additional 2 gpus?

just curious
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post #246 of 337
I have a Seasonic M12II 620 watt PSU.
I plan to CFX a pair of 6870s very soon in the future but the Calculator says that I need a 650 watt. will my PSU be enough considering that i wont OC my cards?
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post #247 of 337
Thread Starter 
Quote:
Originally Posted by gengar6 View Post
I have a Seasonic M12II 620 watt PSU.
I plan to CFX a pair of 6870s very soon in the future but the Calculator says that I need a 650 watt. will my PSU be enough considering that i wont OC my cards?
Yes.
post #248 of 337
Just noticed the 6970 got bumped up to the next category myself. Guess no 6970 cf/ 8 core BD fun on my hx-650
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post #249 of 337
Thread Starter 
Quote:
Originally Posted by RussianJ View Post
Just noticed the 6970 got bumped up to the next category myself. Guess no 6970 cf/ 8 core BD fun on my hx-650
Yeah, I wouldn't recommend it. Might scrape by with like a dual core or low-power quad core, but that kind of defeats the purpose.
post #250 of 337
Quote:
Originally Posted by Phaedrus2129 View Post
Yeah, I wouldn't recommend it. Might scrape by with like a dual core or low-power quad core, but that kind of defeats the purpose.
This is a great guide. I did notice, like the others, that the 6970 was bumped up in wattage.

When I bought my system, a 6970 crossfire setup was suggested at 650w, now 750w. I bought a 750w PSU to give ample overhead. I haven't OC'd or put it under heavy load yet, but I was planning on it. Now I'm a little nervous.

My specs are

i5 2500k @ 3.0 w/ hyper 212+ cooling
Asrock p67 4extreme b3
2x R6970s in crossfire @ stock settings
4gx2 g.skill ripjaw
1tb 7200rpm hd
120gb ssd

According to the guide that would put me at 750w - 25w (i5 subtraction) = 725w. But it doesn't look like I'd be able to overclock my cards at all, as with the original post gave the suggestion that I could with the 100w overhead.
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