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What power supply?

post #1 of 10
Thread Starter 
Hi there,

I'm planning on building a new rig, I'm not sure which power supply I should really choose.

SPECS:

Asus P8P67 PRO
Intel I5 2500k (will overclock to about 4.5GHz)
Samsung F3 1TB
EVGA GTX 580 DS SC
Dominator GT 2000MHz (6gb)
CM HAF 922 case.

I planned to get the Corsair Tx650W power supply, but I'm not sure if that'll be enough. Just to let you know guys; I WILL NOT USE/BUY A SECOND GPU. I will just run one gtx 580.thumb.gif

Looking forward to your suggestions.

With regards
Lucas.
Edited by foa525 - 6/21/11 at 12:36pm
post #2 of 10
then one 650w would be good enough... a quality one that will last you is this: http://www.newegg.com/Product/Produc...82E16817151088

or if you want to save a little this:
http://www.newegg.com/Product/Produc...82E16817322009

but i highly recommend the seasonic psu, it's the top of the heap when it comes to efficiency/quality

EDIT: a tx will do just fine also, it's not a bad psu... but it also just meets 80 plus certification... not sure how much it's efficiency/heat is important to you. :\\
Edited by badatgames18 - 6/21/11 at 12:36pm
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post #3 of 10
Thread Starter 
Thank's for the quick reply!
I have thought about the Seasonic too, the only problem is, will newegg post to UK?
post #4 of 10
Quote:
Originally Posted by foa525 View Post
Thank's for the quick reply!
I have thought about the Seasonic too, the only problem is, will newegg post to UK?
oh shoot... i didn't know you were from the uk... unfortunatley newegg only ships within the states and puerto rico.

uk retailers also sell them though... found it on amazon.uk:
it's cheaper... if you don't take into account the exchange rate.. here it's $139


Quote:
Originally Posted by dixson01974 View Post
You need a 1.21 Jigawatts PSU for that setup. NOT!!!! From the wall on a non oc rig it is about 490 watts, so a good 550 watts psu will work.
who doesn't oc their cards on ocn? lol i've tried running a 580 on a 600w psu... it wasn't a very good 600w but it was 80 plus bronze certified... just didn't have enough amps on the 12v rail and it died when i ran furmark
Edited by badatgames18 - 6/21/11 at 12:51pm
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post #5 of 10
You need a 1.21 Jigawatts PSU for that setup. NOT!!!! From the wall on a non oc rig it is about 490 watts, so a good 550 watts psu will work.
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post #6 of 10
According to the Phaedrus quick'n'dirty calculator you only need 425W:
http://www.overclock.net/power-suppl...alculator.html

Personally I think it's lowballing the GTX 580 power consumption a little bit--if you're worried about full stress testing load with the GTX 580 overclocked and the limiter disabled. With the limiter or in a game, a decent 430W unit would be more than plenty. A i5-2500k at that kind of overclock wouldn't need more than 100W.
http://www.xbitlabs.com/articles/cpu..._10.html#sect0
http://www.xbitlabs.com/articles/cpu..._12.html#sect0
http://www.techpowerup.com/reviews/N...TX_580/25.html

XFX Core Edition 450W is a decent Seasonic S12II unit with Japanese capacitors etc., for £37.18:
http://www.scan.co.uk/products/450w-...-sli-crossfire

If you want to disable the limiter, run stress tests all day, etc., or just feel like spending extra, get the 550W version.
post #7 of 10
Eh....I'd be quite hesitant to suggest a 450W unit for a GTX 580 setup....that's rather borderline to me. I think this modular unit is a nice choice at a decent price:

Silverstone SST-ST60F-P Strider Plus 600W
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post #8 of 10
P67 only supports dual channel memory, so you'll want to go 8GB (2x4GB).
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post #9 of 10
Thread Starter 
Thanks for all the responses I got from you. So I understand that a good (Seasonic or corsair) 600W power supply will be more than enough? I wouldn't like to run on borderline with this type of stuff. I might even go and Overclock my EVGA GTX 580 DS SC a bit more:D See how it goes.

Quote:
Originally Posted by JSDempsey;13954422 
P67 only supports dual channel memory, so you'll want to go 8GB (2x4GB).

So basically what you are saying is that I cannot get the Corsair Dominator GT 2000mhz? They only come in 2gb sticks. And as you may know they are quite expensive:D So I won't be getting 6gb straight away. I will be adding sticks as I go. But for a start I will be getting 4gb, i think; maybe 6gb.
post #10 of 10
A good 500W unit is all you need.
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LiteON iHAS324 DVD-RW DL Thermaltake Water 2.0 Pro w/ AVC DS12025B12U Windows 7 Home Premium x64 Dell Ultrasharp U2211H 
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Rapoo V500 (Kailh Yellow) FSP Aurum AU-400 400W 80PLUS Gold CoolerMaster Silencio 352 CoolerMaster Storm SPAWN 
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Fenda F&D H200 2.0 USB Powered 
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