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Psu help

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July 10, 2009 2:04:21 PM

so, if it came down to two, which would you choose?

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
ocz modxstream modular 700w (60 bucks)

or

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
corsair 850w non modular...110 bucks after rebate...

More about : psu

a b ) Power supply
July 10, 2009 2:54:48 PM

Depends on your system specs, especially the video card(s).
July 10, 2009 3:27:36 PM

How about a Corsair 650TX for 89.99 after rebate? Most rebates are a joke though so compare the real prices. A 650TX has more amps on a single 12v.

Beings that I have one and only one 4890. I cant say how it performs with crossfire but im pretty positive my system will be able to handle it.

Hell I don't know.

Buy a corsair. That's first

Then determine if you need a 650,750, or 850watt psu.

Why ask us with no info?
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a c 144 ) Power supply
July 10, 2009 5:07:22 PM

The key spec is the 12 volt output. In a modern computer, the 12 volt output does all the heavy lifting - powers the CPU and video cards.

Corsairs are very conservatively designed. If you are looking at a 700 watt OCZ, the 650TX will do nicely.
July 10, 2009 11:49:17 PM

well i only looked at the ocz due to it being modular, and totally on sale on the egg. i was wanting to build me a PII x2 550 (unlock to quad) or just a 950 with some mild to wild overclocking. i wanted to get a 4890 for later, and eventually a second, but that didnt work out with my 7900gt, my 3870, or any other card i will ever buy. thought about getting two 4770's...they do well!!! but i think i will stick with the corsair lineups...single 12v rail with good quality parts.
July 11, 2009 4:09:27 PM

patater said:
well i only looked at the ocz due to it being modular, and totally on sale on the egg. i was wanting to build me a PII x2 550 (unlock to quad) or just a 950 with some mild to wild overclocking. i wanted to get a 4890 for later, and eventually a second, but that didnt work out with my 7900gt, my 3870, or any other card i will ever buy. thought about getting two 4770's...they do well!!! but i think i will stick with the corsair lineups...single 12v rail with good quality parts.

You can run crossfire 4890's on a 650TX from corsair easy with a quad.

You're looking at overkill psu's.

A single 4890 > crossfire setups like 4770's imo.

Spend less for a card that performs better and can eventually xfire later. I don't know why you dont look at a 4870 though. for 75 dollars less you're losing 8% performance.
July 18, 2009 3:50:00 PM

yeah i know about 4870 vs 4890. the two 4770's were spanking the single 4890 for some gaming and bench's. and two of those still cost less than a 4890. but yeah, i presume the 650w high quality corsair is good enough. but usually i have gizmos going, like 3 more fans and my watercooling system (i know, a total of like 10-12w more than rest of pc)
!