i bought 6pcs 5870s for $50

[ssateneth]

8 5870 class gpus (some are 5970, or dual 5870), 1 motherboard, 1200-1300w powersupply, kill-a-watt shows approx 1000 watts, but I undervolt to 1v for efficiency. easy 3 ghash.

And no, I don't use any molex mods on my risers. haven't had any problems, been going over a year strong.

[jeprokzki]

what motherboard and psu you used? and how to under volt the cards?