Viotek 450W 20/24 Pin Power Supply with PCI Express & SATA - New Revision for Advanced Cooling The perfect foundation for your desktop computer! 450 watts of power and 6x SATA connectors Silent 120mm Fanwith automatic speed control High stability with 5% tolerance of 5V, 3.3V & 12V output Heavy-duty protections, including OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), and SCP (Short Circuit Protection) 1 Year Warranty and unparalleled Viotek Customer Support