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:
<UL><LI>ThinkSystem SR530
<LI>ThinkSystem SR550
<LI>ThinkSystem SR570
<LI>ThinkSystem SR590
<LI>ThinkSystem SR630
<LI>ThinkSystem SR650
<LI>ThinkSystem ST250
<LI>ThinkSystem ST550</UL>
<br>Provides redundancy in the event of a power supply failure.
<p><strong>Important:</strong><br>
If installing a 2nd Power Supply for redundanct, both Hot-Swap Power Supplies MUST be identical.'