剛剛查了一下資料http://www.guru3d.com/article/bfg-geforce-9800-gx2-1024mb-review/4
A single GeForce 9800 GX2 requires you to have a 550 Watt power supply unit at minimum if you use it in a high-end system. That power supply needs to have (in total) at least 35 Amps available on the 12 volts rails...