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Which power supply should i use?

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Last response: in Components
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May 2, 2010 12:13:38 PM

http://www.newegg.com/Product/Product.aspx?Item=N82E168... <--ocz stealthxstream 700w
http://www.newegg.com/Product/Product.aspx?Item=N82E168... <--ocz modxstream 700w
http://www.newegg.com/Product/Product.aspx?Item=N82E168... <--corsair 650tx

i wanted the enermax infiniti 720w ($60 rebate), but zzf is sold out...

build is:
phenom ii 1090t
msi 890fxa-gd70
2x 2gb corsair @ 1600
ati hd 5850 oem (will crossfire some time down the line, will be at least a few months)

i also have an old psu lying around, antec bp500u, but it only has one 6-pin pci-e connector.
should i use that instead for now, with a molex to 6-pin adapter, then when im ready for crossfire, upgrade the psu?

More about : power supply

a b ) Power supply
May 2, 2010 12:27:02 PM

These are the official recommended power requirements for your GPU:

500 Watt or greater power supply with two 75W 6-pin PCI Express® power connectors recommended (600 Watt and four 6-pin connectors for ATI CrossFireX™ technology in dual mode)

This applies to the whole system not just your GPU.

The Corsair 650TX is a great PSU but doesn't have the four PCI-E connectors required for Crossfire on your graphics card. However the 650HX does have four connectors and is a modular PSU which will help keep your case clean and free from unused cables.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
a c 248 ) Power supply
May 2, 2010 12:43:18 PM

+1 what moody89 said.

The Corsair TX650 is an older model. The HX650 is a newer model that has the required number of PCI-e power connections for the ATI Radeon HD5850 video card.
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May 2, 2010 5:30:33 PM

trying to stay below $70 for a new psu though...
should i just use the antec with a converter then and wait until i decide to crossfire and look for one?
May 2, 2010 6:43:22 PM

meh, how about this one then?
Corsair TX750W, $80, has 4x 6-pins
i suppose ill just have to eat the extra $$$ then x_x
a c 248 ) Power supply
May 2, 2010 6:45:40 PM

Thae TX750 is another excellent choice.
a b ) Power supply
May 2, 2010 6:46:32 PM

That too will be more than enough for your needs. I guess you'll have to spend the money at some point either way!
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