LENOVO ThinkSystem 550W (230V/115V) Platinum Hot-Swap Power Supply for SR530/SR550/SR570/SR590/SR630/SR650/SR635/SR655/ST250/ST550
Hot-Swap 550W Power Supply suitable for the following ThinkSystem servers:
Important:
If installing a 2nd Power Supply for redundanct, both Hot-Swap Power Supplies MUST be identical.'