Flynnstone. Although Einstein was right, drive was (recall) replaced by Apple about 3 years ago. It is Barracuda 7200-12, old design, but very low time. It should work till I upgrade all my old stuff. Newest here now is still 2012.
I tore down the machine for the learning experience, as it was a probable CPU/GPU fail. (The shop call was HD... Wrong. LOL) A2