The Cheapest Desktop Power Supply ProductName:270W ATX Power SupplyProductCode:YM-PS270WBasicParameters:Type of power supply for DesktopBuilt-in installationTechnicalParameters:Power: 270W+3.3 V output current: 20A+5 V output current: 21A+12 V1 output current: 18AMain output interface: 20 +4,3 big one small, square 8,2 SATA, side..