Need advice about a power supplier

dreadboy

Honorable
Apr 29, 2012
3
0
10,510
For a system using two ASUS Radeon HD 6950 DirectCU II graphics cards in 2-way CrossFireX mode a minimum of an 750 Watt or greater power supplywith a combined +12 Volt continuous current rating of 58 Amps or greater and have at least four 6-pin PCI Express supplementary power connectors would be recommended. That's enough capacity to handle running both cards manually overclocked to a core clock of 970 MHz and running Furmark.

The Zalman HP Series 850W (ZM850-HP), with its combined +12 Volt continuous current rating of 64 Amps and with two 6-pin and two (6+2)-pin PCI Express supplementary power connectors, is sufficient to power your system configuration with two manually overclocked ASUS Radeon HD 6950 DirectCU II in 2-way CrossFire mode.