Pipesnake,
You have 3 5970 and the APU A8? which motherboard do you use? extenders?
Well I did. Here was the setup:
Motherboard Brand: ASRock
Motherboard Model & PCIe Slots: A75 EXTREME6 (3 PCIe x 16 slots)
Power Supply Brand & Model: Dell 875w and Dell 525w
Number & Model GPUs: 3 x 5970 (6 x 5870 Cypress) and A8-3850 APU
Extender Cables w/Molex Power?: No
Screen:
![](https://ip.bitcointalk.org/?u=http%3A%2F%2Fimg710.imageshack.us%2Fimg710%2F9042%2F8gpus.jpg&t=665&c=Dq8DhxOuFGMUkQ)
2.2gh/s and approx 900 watts from the wall. However I was getting almost 25% stales so I pulled one the cards and it fell back under 1%