Dell PWR SPLY 580W SC4XXX (Y5W2H-RFB) is a power supply listed for the SC4XXX range. It is identified as a replacement for reference 0Y5W2H-RFB, making that part reference useful when identifying the matching replacement.
The rated output is 580W. A separate listing describes the Dell Y5W2H 580W power supply for SC4020, providing further context for the model family. This description covers the listed power supply and its confirmed rating and replacement reference; it does not specify connectors, package contents or additional compatible systems.