HGST HTS541075A9E680 Internal,6.35 cm (2.5") (0J22412) Hard Drive 750GB.

Drive has been checked in Paragon Hard Disk Manager, no bad sectors.
SMART status is good.
S/N of drive as per image: JA12001GG8GNYP
Firmware: JA2OA590
See images for SMART report