Supermicro Ablecom PWS-561-1H20 560W 1U Server Redundant Switching PSU Power Supply Unit.Model Number: PWS-561-1H20Specifications:Total Power Output: 560WType: SingleForm Factor: 1UDimension (W X H X L): 76 x 40.4 x 360 mm+5V: 25A+12V: 43.6A+3.3V: 21A5V Standby: 3AInput Voltage Range: 100-240VInput Frequency Range: 50-60HzInput Current Range: 8.5-4AOutput Type: 20Pin ATX Cable Output8Pin / 4Pin (12V) Connector: BothPFC: YesPMBUS: No80 Plus Certification: 80 PlusInput Voltage Range: 100-240VacInput Frequency Range: 50-60HzInput Current Range: 8.5-4ACables Included:1x 20 Pin ATX (Motherboard)1x 8 Pin 12V (CPU)1x (4+4) 8 Pin 12V (CPU)2x 4 Pin Legacy HDD2x 4 Pin Floppy/DVD Drive