550W Server Power Supply for X3500 / X3550 / X3650 M5 — Compatible with 00FK930, 94Y8137, 94Y8138, 94Y8139

Replacement 550W power supply compatible with X3500, X3550 and X3650 M5 server models. This unit matches part numbers 00FK930, 94Y8137, 94Y8138 and 94Y8139, making it suitable as a direct replacement or spare for those systems.