The HPE 550W FIO power supply kit is catalogue part RP001232256, corresponding to HPE spare part 766879-001. HPE identifies that spare part as the 550W Standard FIO Power Supply Kit, model 730941-B21.
It supplies up to 550 W and accepts 100–240 V AC at 50–60 Hz through a standard C14 inlet. Its 10.74 × 3.99 × 17.53 cm dimensions help check fit in the intended server. HPE specifies it for non-redundant configurations in select ProLiant Gen9 Essential servers and describes it as standard for most ProLiant Gen9 10/100 Series servers.
Package contents: factory-integrated 550W FIO power supply.