The disk is made by HGST, apparently owned by Western Digital. It is 1 TB, 5400 rpm, SATA 3.0Gb/s. I find no model number, but HDD:5K1000-1000 and HTS541010A9E680, and two different part numbers, H2T1000854S and 0J33073. There is also a date JUN-13, compatible with the purchase date of the...