Power Supply

[WaterTrooper]

I'm looking to build a basic Bitcoin miner. I will have a HDD and this is the power supply I'm look at. How many GPUs can it handle?

http://www.newegg.com/Product/Product.aspx?Item=N82E16817-182-188

[kwoody]

You will get the most hashrate/watt running dual GPU cards. How much do you have to spend on cards? What CPU will you use? Have you considered running BAMT on a thumb drive/small SSD instead of using a mechanical hard drive that'll draw 50watts? If you're building a true mining rig (ie: single core CPU, 1 stick of RAM, SSD/flash storage) then you're perfectly safe running any of the following. Otherwise you're cutting it really, really close and may overdraw by just a little bit using the following options.

7970 x 4  (2500 MH/s @ ~ 860watts, ~$1600)
or
6990 x 3  (2200 MH/s @ ~ 700watts, ~$hard to find, cost varies)
or
5970 x 3  (roughly the same as 6990)
or
5850 x 4  (1500 MH/s @ ~ 800watts, ~$550-600)

[RaTTuS]

[edit]
stupidly posted too fast