Tom's Hardware > Forum > Homebuilt Systems > New System Build > Power Supply.. how do you know?
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mikem_94   09-02-2008 at 04:09:28 AM

Hi, newbie here.. how do you know which power supply will work with your choice of mobo, graphics card, etc.? I want to order this PC Power & Cooling - it has a 6pin GPU connector.. very confused!

http://www.newegg.com/Product/Prod [...] 6817703009
PC Power & Cooling S75QB 750W ATX12V / EPS12V SLI NVIDIA SLI Certified (Dual 8800 GTX and below) CrossFire Ready 80 PLUS Certified Active PFC Power Supply - Retail


with: ASUS P5E LGA 775 Intel X38 ATX Intel Motherboard
http://www.newegg.com/Product/Prod [...] 6813131219

and: Matrox M9120 Plus LP PCIe x16 http://www.matrox.com/graphics/en/ [...] pluslpx16/


Thank you,

Mike

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cmichael258   09-02-2008 at 04:33:09 AM
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That PSU will easily work with those components with no problem and PC Power is a quality brand. Make sure that you choose a case that will handle it.

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Bronze Home Brew badge Proximon   09-02-2008 at 04:33:30 AM
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Were you wanting to run two of those cards?

The Matrox does not need the power connector from the PSU, it does not need that much power.

The PSU you mention is a very good one, but it's probably more than you need.

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mikem_94   09-02-2008 at 04:39:21 AM
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Yes, eventually two. What do you recommend? Thanks a lot!

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Bronze Home Brew badge Proximon   09-02-2008 at 04:44:41 AM
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I do not see the power requirements listed at Matrox. I do know that PCI-E is limited to 150W... So that is a max of 300W between the two cards.

http://www.newegg.com/Product/Prod [...] &Tpk=550VX

This PSU will give you many years of worry free operation, and should power any additional devices in your case with ease.

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bobbknight   09-02-2008 at 05:10:37 AM
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Ohhh get the red one it's better cause it's red.
http://www.newegg.com/Product/Prod [...] 6817341011
The best PSU is PCPower and cooling. Yes for you right now it is overkill. But you will be able to use it in another build later down the road.
The price is unbeatable, so get it.

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