The HPE 775595-B21-RFB is a refurbished 900W AC 240VDC power input module for server power systems. As a redundant input module identified by HPE part number 775595-B21, it serves as a replacement in compatible server configurations.
Its standard C14 inlet and hot-plug support allow servicing without shutting down the system. Use it with the 814835-B21 power backplane. Maximum rated output is 900 W at nominal input voltages of 200–240 V, or 550 W at 100–127 V.