Platter
Actuator Assembly
Off Platter Parking
Spindle Motor
Printed Circuit Board
Internal Electronics
Controls the rotation of the platters at up to 15,000 RPM.
Preamp and other logic controls the actuator assembly.
The actuator "parks" on this landing ramp off the platters to avoid media contact during impact
This is where the data is magnetically stored
The mechanism that seeks across the platters and contains the read/write heads
All of the necessary components for an HDD have power and data lines to allow your drive to store data