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

Replacement 550W power supply designed for X3550, X3650, X3500 and M5 series servers. This unit is compatible with part numbers 00FK930, 94Y8137, 94Y8138 and 94Y8139, making it suitable as a direct-fit spare or repair component for affected systems. Ideal for restoring original power capacity in server maintenance and upgrades.