X2 Titanium UV PSU 550W X-Connect Power Supply Unit PSU SLI compatable, 20/24 pin, Sata, Modular Cables, UV side ULT31852 AC Input Voltage - 115V/230V AC Input Frequency - 50-60Hz AC Input Currents - 8.5A (RMS) for 115VAC input, 5.5A (RMS) for 230VAC input Supports AMD and Intel Motherboards Low Acoustic Noise