Supermicro PWS-601-1H ATX12V Power Supply - Rack-mountable - 110 V AC, 220 V AC Input - 3.3 V DC, 5 V DC, 12 V DC Output - 600 W - Active PFC - 1 +12V Rails - 91.3% Efficiency

The constant 3.3 V DC ensures smooth functioning The 600 W output power reduces fan noise Limits current to the safety level and manages electrical faults Energy efficient - designed to use less energy than alternative products, potentially helping you save money and reduce your carbon footprint.