Matching Pairs Data saversOnline version hard drive by Mr. Balcarcel 1 Printed Circuit Board 2 Spindle Motor 3 Internal Electronics 4 Off Platter Parking 5 Platter 6 Actuator Assembly Preamp and other logic controls the actuator assembly. The actuator "parks" on this landing ramp off the platters to avoid media contact during impact Controls the rotation of the platters at up to 15,000 RPM. The mechanism that seeks across the platters and contains the read/write heads This is where the data is magnetically stored All of the necessary components for an HDD have power and data lines to allow your drive to store data