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New PSU for single GTX580 system (light overclocking) - Page 2

post #11 of 26
Thread Starter 
Thanks for the suggestions, I'll look into them. And yes, GTX580 SLI is not gonna happen. I'll only upgrade the card to a single new high-end card from the future 600/7000 series.
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post #12 of 26
Quote:
Originally Posted by Zaphara View Post
Thanks for the suggestions, I'll look into them. And yes, GTX580 SLI is not gonna happen. I'll only upgrade the card to a single new high-end card from the future 600/7000 series.
Both the GTX600 and AMD7000 series will draw less power than the current generations.
Also, look at Afuture, they offer better prices than Azerty
post #13 of 26
Thread Starter 
Haha yeah, but I'm getting a good discount at Azerty, Afuture won't offer any
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post #14 of 26
Thread Starter 
Hmm, well I want a (semi-)modular PSU per se, the above options also look abit too "budgety".

Seeing as you guys recommend me to take a 650watt PSU for my rig instead of a 750watt, I have the following choices outlined so far:

-XFX 750watt Black Edition 115,-
-Seasonic X-660 139,-
-Corsair HX650 116,-
-Corsair AX650 133,-

Now, aside from effiency and stability/dependability, noise is also pretty important to me, hence I put the Seasonic and Corsair AX PSU's in between, as I've read from reviews that they're both extremely silent.

The XFX is the cheapest choice here, but do you reckon I should take the Seasonic for 24,- more?

Regards,

Zaph
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post #15 of 26
There's nothing wrong with the Thermaltake. It's a solid CWT unit, and it's modular.

Why do you want a 650-750w if your rig isn't going to use close to that much at full load?
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post #16 of 26
Thread Starter 
Well, I listed the XFX since there isn't a 650 version of it (Black Edition anyway) and it seems decent enough for a 80+ Silver PSU.

550 watt seems to be cutting it close, so I'd prefer to get a 650 watt PSU to have a little headroom, should I want to change something around in the future, or maybe overclock more heavily even.
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post #17 of 26
550W is nowhere near "cutting it close" -- consider the graphs at http://www.anandtech.com/show/4008/n...rce-gtx-580/17. 452W peak consumption measured at the wall with a system that's more power hungry than your own (on account of using a Core i7 920 instead of a Core i5 2500K) means you'll never get anywhere close to pulling 550WDC from the PSU. Even with overclocking.
post #18 of 26
Quote:
Originally Posted by Zaphara View Post
Hmm, well I want a (semi-)modular PSU per se, the above options also look abit too "budgety".

Seeing as you guys recommend me to take a 650watt PSU for my rig instead of a 750watt, I have the following choices outlined so far:

-XFX 750watt Black Edition 115,-
-Seasonic X-660 139,-
-Corsair HX650 116,-
-Corsair AX650 133,-

Now, aside from effiency and stability/dependability, noise is also pretty important to me, hence I put the Seasonic and Corsair AX PSU's in between, as I've read from reviews that they're both extremely silent.

The XFX is the cheapest choice here, but do you reckon I should take the Seasonic for 24,- more?

Regards,

Zaph
The ones you listed are all good PSU's
I myself have the XFX Black Edition now relabeled by XFX to XFX XXX (they ditched the ugly green fan now it has a grey) so ofcourse i´m going to be a fanboy and say you should get that
Its a good PSU i don't hear it in my case and it has the internals of Seasonic M12D wich is a very good unit.

Other then that i think you won't be disapointed by any of thoes.
Edited by Stuuut - 10/19/11 at 11:53am
    
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post #19 of 26
You guys recommending 750W for a single card are joking, right? A 500W PSU will be more than enough. Quality, of course, but that should be a given. Also remember that unless you are doing something that stresses your system to 100% all the time, you will hardly ever hit that max power draw. A 750W can power two 580s. I'm going off of Phaedrus' PSU calculator. Manufacturers ALWAYS recommend more than what is actually needed, because of crappy PSUs and dumb users.

Also, there is no point in buying a PSU with "headroom." That usually means about 100W over, which would not be enough to add anything significant so its just a waste of money. You're not gonna add another card with 150W "headroom." Adding hard drives or fans is not gonna push you past your PSU limit, or you needed a better PSU anyway.

(note that I bought mine for cheaper than the 550W)
    
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post #20 of 26
Thread Starter 
Quote:
Originally Posted by mad0314 View Post
You guys recommending 750W for a single card are joking, right? A 500W PSU will be more than enough. Quality, of course, but that should be a given. Also remember that unless you are doing something that stresses your system to 100% all the time, you will hardly ever hit that max power draw. A 750W can power two 580s. I'm going off of Phaedrus' PSU calculator. Manufacturers ALWAYS recommend more than what is actually needed, because of crappy PSUs and dumb users.

Also, there is no point in buying a PSU with "headroom." That usually means about 100W over, which would not be enough to add anything significant so its just a waste of money. You're not gonna add another card with 150W "headroom." Adding hard drives or fans is not gonna push you past your PSU limit, or you needed a better PSU anyway.

(note that I bought mine for cheaper than the 550W)
Fair enough, just that a quality Corsair/Seasonic 500-550 PSU is still more expensive than that XFX 750 BE one, making it kinda weird
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Samsung SpinPoint F3 HD103SJ 1TB Samsung SH-222AB Windows 7 Ultimate 64-bit Samsung SyncMaster P2770FH 27" 
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Microsoft Sidewinder X6 XFX Black Edition 750W SilverStone Raven RV02-E Logitech MX518 
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