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What PSU will I need? - Page 3

post #21 of 37
Quote:
Originally Posted by Live_free View Post
Now calculate PSU efficiency and solve for that. Pull from wall and pull from the PSU is different. Your PSU is delivering no where near 841 watts.
Quote:
Originally Posted by thealex132 View Post
So that's from the wall and you factor in efficiency and whatnot and you should get ~670w (assuming 80%)
And your rig is completely different
470 SLI pulls a lot more than a single 6970
I knwo my PSU is not pushing 841W out it is closer to ~700.

470 Sli does pull more then a single 6970 but he is talking about Xfire aka 2 6970's aka 500W alone...........
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post #22 of 37
get this. http://www.newegg.com/Product/Produc...82E16817371015

its inexpensive, very reliable and plenty of power. plus antec makes quality psu's, although plain looking they're very nice.
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post #23 of 37
Quote:
Originally Posted by eclipseaudio4 View Post
I2 6970's aka 500W alone...........
Only in Furmark. People don't run that thing 24/7. And it's more like 450W in Furmark.
post #24 of 37
Thread Starter 
Okay great! Now another question, the hd 6970 has both a 6 and 8-pin connector , will I be able to use a 6 pin and a 6+2 for the 8 pin?
post #25 of 37
Get the Corsair TX650 V2
The TX650V2 is made by SeaSonic IIRC and SeaSonic are a very highly regarded and reputable brand

Quote:
Originally Posted by Ultimamage View Post
Okay great! Now another question, the hd 6970 has both a 6 and 8-pin connector , will I be able to use a 6 pin and a 6+2 for the 8 pin?
Yes
6+2 pin = 8 pin
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post #26 of 37
Quote:
Originally Posted by Shub View Post
Only in Furmark. People don't run that thing 24/7. And it's more like 450W in Furmark.
Now factor in that for the most part you want to be @ 75% load on your PSU to be in the butter zone for efficacy and long life....

Look it's not my money or my components but this is OCN and I would hate for him to get a PSU and then need to upgrade it later because we told him too low. Seasonic and Corsiar are the same I would stick with one of those two personally as they are currently the best out there. Remember that the PSU is the heart of your system dirty/bad/weak power can kill a component very quickly as well as lend to instability.
Edited by eclipseaudio4 - 3/26/11 at 1:49pm
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post #27 of 37
yes the 6+2 is supposed to be used as a 8 pin if your video card needs it.
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post #28 of 37
Quote:
Originally Posted by eclipseaudio4 View Post
Now factor in that for the most part you want to be @ 75% load on your PSU to be in the butter zone for efficacy and long life....
The long life thing is a myth basically. A good PSU can handle 100% load 24/7 without decreasing its life. It won't be at peak efficiency, but that's not a problem per se unless you're nervous about your power bill (and we're still only talking about a 1-2% difference in efficiency -- amounting to pennies).

Quote:
Look it's not my money or my components but this is OCN and I would hate for him to get a PSU and then need to upgrade it later because we told him too low. Seasonic and Corsiar are the same I would stick with one of those two personally as they are currently the best out there. Remember that the PSU is the heart of your system dirty/bad/weak power can kill a component very quickly as well as lend to instability.
Don't forget XFX (all their units are made by SeaSonic) and Antec (lots of SeaSonic and Delta units)
post #29 of 37
Quote:
Originally Posted by eclipseaudio4 View Post
Now factor in that for the most part you want to be @ 75% load on your PSU to be in the butter zone for efficacy and long life....
To put it simply, this is bullcrap.
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post #30 of 37
Thread Starter 
Is the tx650v2 silent?
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