The IBM 74Y8677-RFB is a refurbished system power supply intended to provide power for compatible IBM hardware. Its 1725 W rating identifies its total power capacity for demanding system configurations.
The unit is described as hot-swap and redundant. Hot-swap design supports replacing the supply while the system is operating, and redundancy allows it to serve as part of a multi-supply power arrangement. This refurbished part offers those functions in a replacement component bearing the exact MPN 74Y8677-RFB.