Okay, the reason I asked was that I'm starting a build with the 8800GTX and the amp required by Nvidia was 28 amps, but I think that was for the main PSU. What I want to do is to use the Thermaltake 250W as an optional power sourse just for the twin 8800GTX's.
Mobo is the M2N32 SLi Deluxe WiFi...