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Need advice on Mobo and PSU for gaming build

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April 20, 2011 3:33:18 AM

Hey,

Im building a AUD$750-$800 gaming system. Here are the parts that I have sussed out so far, i just need some advice on picking out the right motherboard and psu to go with it. Im looking to do crossfire in the near future once i get more dosh rolling in.

Im getting my parts from either umart.com.au or www.msy.com.au

Intel Core i5 2400 Processor LGA1155 3.1GHz CPU - $201.00

PowerColor HD6850 1G GDDR5 PCIE2.1 2DVI HDCP HDMI DX11 - $178.00

Samsung 1TB Spinpoint F3 SATA II 7200RPM 32M - $57.00

G Skill 4G(2x2G) DDR3 1600Mhz PC12800 RL 9-9-9-24(CL9D-4GBRL) - $52.00

Antec Three Hundred Tower Gaming Case - $59.00

Total - $547

So that leaves me about $250 to spend on a motherboard and a powersupply.

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a b 4 Gaming
April 20, 2011 3:44:56 AM

Cheapest 8x/8x board I could find.
http://www.msy.com.au/product.jsp?productId=7556
218 AU
32 AU left

http://www.msy.com.au/product.jsp?productId=4950
115 AU
Puts you 83 AU overboard, but you get a good solid PSU for future CF and a solid motherboard for Crossfire.

The reason it's better to have a 8x/8x board, CF just loses WAY too much bandwidth and performance @ 16x/4x. Refer to this article.
http://www.tomshardware.com/reviews/pci-express-scaling...

"More significant are the losses when using a x4 slot, as expected. The GeForce GTX 570’s relatively significant 9% performance loss is far exceeded by the Radeon HD 6970’s 18% loss."

18% is a lot of performance
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April 20, 2011 4:20:45 AM

Best answer selected by kurtkubin.
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April 20, 2011 4:21:11 AM

Perfect, thanks for your help! much appreciated!
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a b 4 Gaming
April 20, 2011 5:25:13 AM

No problem! Good luck!
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April 25, 2011 5:36:48 AM

Hey a quick question, i just noticed the i5 2500 is only 8 dollars more than the i5 2400. Will there be any noticable difference between the two or will 2400 suffice?
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a b 4 Gaming
April 25, 2011 10:49:28 PM

There is no noticeable difference, the 2400 would suffice.
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!