This release contains firmware version U5E0 for HGST SAS6 (7.2k rpm 2.5 SAS) 1.2TB Hard Drive. Vendor model number HUC101212CSS600. Downgrading the firmware from version U5E0 to the previous versions (U440 or earlier) is not supported.
This is a general maintenance release utility for updating firmware for SAS and SATA drives. It is a re-release of the previous version with additional firmware updates. This is for use on PowerEdge platforms that support UEFI boot mode for SAS and SATA drive updates. Please refer to DOS firmware