Matching Pairs Data saversOnline version hard drive by Mr. Balcarcel 1 Spindle Motor 2 Platter 3 Actuator Assembly 4 Off Platter Parking 5 Printed Circuit Board 6 Internal Electronics The mechanism that seeks across the platters and contains the read/write heads The actuator "parks" on this landing ramp off the platters to avoid media contact during impact Preamp and other logic controls the actuator assembly. Controls the rotation of the platters at up to 15,000 RPM. 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