Western Digital / HGST Ultrastar DC HC520 12TB HUH721212ALE600
Purchased in 2018.
Use PH0 Philips screwdriver to remove screws holding the control board.
Back of the control board and spring-loaded connector for head and spindle.
Controller board (with thermal pad on the main processor)
Controller board (thermal pad removed)
Shot on Sony A7R V + FE 100-400mm f/4.5-5.6 GM with macro extension tubes