HPE 800W Flex Slot Platinum Hot Plug Low Halogen power supply, MPN 865413-B21-RFB, is a power supply for equipment designed for the Flex Slot format. Its 800W designation identifies the power rating stated in the product listing.
The listing also identifies this model as Platinum and hot-plug, with a low-halogen description. These details distinguish the item in the HPE Flex Slot power-supply range and describe its listed design. This description covers the confirmed product identity and features; the source does not specify compatible device models or included accessories.