General Information Manufacturer: Supermicro Computer, Inc Manufacturer Part Number: PWS-1K21P-1R Brand Name: Supermicro Product Model: PWS-1K21P-1R Product Name: PWS-1K21P-1R Redundant AC Power Supply Product Type: Redundant Power Supply Technical Information Efficiency : 91.1% Power Description Input Voltage: 220 V AC Input Voltage: 110 V AC Output Power: 1.20 kW Physical Characteristics Form Factor: Rack-mountable Hot Swappable Power Supply: Yes Miscellaneous Green Compliant: Yes Green Compliance Certificate/Authority: 80 Plus