Echo Star 450W 20+4-pin ATX Power Supply w/SATA Echo Star 450-Watt ATX Power Supply General Features: 450-watts total High efficiency Short circuit protection Over current protection Over power protection 100% full load burn in Power Specifications: 115VAC 7.0A 50/60Hz, 230VAC 3.5A 50/60Hz switchable power supply +3.3V, 18A +5V, 2A +12V, 24A -12V, 0.5A +5Vsb, 2.5A Power Connectors: One (1) 12-inch 20+4-pin ATX power connector