Part
332774-B21
is compatible in the following Models:
HPE ProLiant SE Select Edition Systems
HPE MSFT Azure 50A Spine New Rck - J9C93A
HPE MSFT Azure 50A NoSpine New Rck - J9C94A
HPE Advanced Power Manager
HPE SL Adv Pwr Mgr Distr Module Kit - 620002-B21