XFX 850w XXX Edition Semi-Modular Power Supply Total Watts: 850 W Output Current: +3.3V @ 24A, +5V @ 25A, +12V @ 70A,?-12V @ 0.5A, +5VSB @ 3A Connectors: 1x 20+4pin main power connector; 1x 4+4Pin ATX12V/ EPS12V CPU Connector; 4x PCI-Express Connectors; 11x SATA Connectors; 7x Peripheral connectors; 1x Floppy connector Cooling: 135mm ball bearing Cooling Fan Supports multiple high-end graphic adapters (CrossFire X and SLI)