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Old 05-05-2009, 09:38 AM   #1 (permalink)
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Default New PSU, need advice

My old PSU recently went bad and now im looking to replace it. I dont know much about PSUs, and I was hoping you guys could help.

This is what I have to power:
Intel Q9550
Geforce 9600GT
2 WD SATA Hard Drives
A few fans

I'm not doing any overclocking, either.

I was thinking going with this: - CORSAIR CMPSU-650TX 650W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply - Power Supplies
because theres a pretty good deal on it today. I know its kinda overkill, but i didnt know if the 450 Watt one for $25 less would be enough.

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Old 05-05-2009, 10:16 AM   #2 (permalink)
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Default Re: New PSU, need advice

The 450W one would probably do ok, until you upgrade your GPU. You may as well get the 650TX, then the power will be there if you need it. Though you may want to consider the 550VX if your motherboard doesn't do crossfire/SLI.

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Old 05-05-2009, 10:20 AM   #3 (permalink)
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Default Re: New PSU, need advice

Go with the 650. It will be good for upgrading your GPU later.

And it's a steal at that price after MIR.
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Old 05-05-2009, 10:35 AM   #4 (permalink)
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Default Re: New PSU, need advice

Agreed. When going with a power supply, there is one simple rule to follow:

Go with a wattage that is one degree larger than what you think you will need.

That way you are covered for future upgrades. And by one degree larger, I mean if you think you need a 550W, go with a 650. If you think you need a 650, go with a 750. Just helps to make sure you don't end up purchasing a new PSU down the line just for a few upgrades.

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Old 05-05-2009, 11:17 AM   #5 (permalink)
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Default Re: New PSU, need advice

This would be a great PSU for you!! The 650 will work though!! - CORSAIR CMPSU-750TX 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply - Power Supplies
Processor: Core i7 920 4.2Ghz 24/7
Motherboard: EVGA X58 758 SLI
Cooling: Water cooling
Memory: 2x3Gig Kingston Hyper X 2100Mhz
Video Card: XFX GTX285
Harddisk: 2-Seagate Barracuda 250GB in RAID 0
PSU: Corsair 1000 Watt Modular
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