550W Power Supply for X3550M4 / X3650M4 / X3630M4 - 43X3312 94Y8112 94Y8105

550W power supply compatible with server models X3550M4, X3650M4 and X3630M4. This unit corresponds to part/FRU numbers 43X3312, 94Y8112 and 94Y8105. Sold as the single 550W PSU for use as a direct replacement or spare for the listed systems.