AC550E-S0 4XX1H 550W Power Supply for Server R320/R420 - J6J6M

550W AC550E-S0 power supply (4XX1H / J6J6M) compatible with Server R320 and R420. This replacement unit provides 550W output and is intended for use in the specified server models. Confirm the model and part numbers (AC550E-S0, 4XX1H, J6J6M) to ensure compatibility before installation.