http://gpushack.com/collections/gpushack/products/gpushack-hd-7950The
gpuShack HD 7950 runs at approximately 140W.
The powerful modular fan upgrade allows for average operating temperature 10C colder compared to manufacturer stock fans. The modular fan uses 15+ watts, which is 10x more powerful (and louder) than manufacturer 1.5+ watt stock fans. Ideal for deployment for large-scale commercial uses.
Specifications for GP7950
memory size: 3gb, core clock: 900mhz to 1100mhz, crossfire: 4-way, length: 10.5", power connectors: two.
http://gpushack.com/collections/gpushack/products/gpushack-hd-7950