Cisco Power supply hot-plug / redundant- 770 Watt Specifications General Device Type Power supply - hot-plug / redundant- plug-in module Power Device Input Voltage AC 100 -240 V Input Voltage Range AC 90 - 264 V Frequency Required 47 - 63 Hz Power Capacity 770 Watt Compatibility Information Designed For Cisco UCS C220 M4 Entry Plus Smart Play (770 Watt),C220 M4 Entry Smart Play (770 Watt),C220 M4 High-Density Rack Server (Large Form Factor Disk Drive Model) (770 Watt),C220 M4 High-Density Rack Server (Small Form Factor Disk Drive Model) (770 Watt),C220 M4 Rack Server (770 Watt),C220 M4 SFF (Not sold Standalone) (770 Watt),C220 M4 Value Smart Play (770 Watt),Smart Play 8 C220 M4 SFF Entry (770 Watt),Smart Play 8 C220 M4 SFF Entry Expansion Pack (770 Watt),Smart Play 8 C220 M4 SFF Entry Plus (770 Watt),Smart Play 8 C220 M4 SFF Entry Plus Expansion Pack (770 Watt),Smart Play 8 C220 M4 SFF Performance (770 Watt),Smart Play 8 C220 M4 SFF Performance Plus (770 Watt),Smart Play 8 C220 M4 SFF Value (770 Watt),Smart Play 8 C220 M4 SFF Value Plus (770 Watt)