. HPE Hard Drives with smart carriers are designed to provide an interface to communicate critical status & management information. System status LED icons & a spinning activity ring reflecting the data-writing process notify users of the current system status. A blue LED located behind the handle can be activated remotely to guide users to a specific drive tray while a do-not-remove icon positioned on the tray's eject button lights up to warn users when the removal of the drive would cause data loss..