1200W Power Supply for T5220 / T5240 / X4450 — Compatible with X6385A, SEUX9PS51Z, 300-2138

Replacement 1200W power supply compatible with T5220, T5240 and X4450 systems. Matches part numbers X6385A, SEUX9PS51Z and 300-2138 for a direct-fit swap. Designed to provide the specified 1200W output for the listed server models — confirm fitment with your chassis and part references before ordering.