Replacement 400W Power Supply for R300 Server — 0CX357 / D400P-01 / DPS-400YB-1 A

Replacement power supply compatible with R300 servers. Rated at 400W and listed under part numbers 0CX357, D400P-01 and DPS-400YB-1 A. Intended as a direct swap for the original R300 PSU to restore system power.