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Topic: Power Supply (Read 385 times)

hero member
Activity: 792
Merit: 1000
Bite me
October 02, 2012, 03:20:22 AM
#3
[edit]
stupidly posted too fast
sr. member
Activity: 454
Merit: 250
Technology and Women. Amazing.
October 02, 2012, 02:11:06 AM
#2
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)
member
Activity: 60
Merit: 10
LOOKCOIN
October 02, 2012, 01:54:21 AM
#1
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
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