Purepower Rx 600W Maximum power - 600 watts Quad +12V rails and EPS structure - 12V1/12V2 for processor and two PCI-E, 12V3/12V4 for Motherboard, peripherals and another PCI-E Four S-ATA connectors Modularized cable management improves internal airflow Universal AC input - 115~230V -- automatically scans and detects the correct voltage for different country