Vertically stacked high-bandwidth memory

Host bus adapter

Hard disk controller

Mechanism positioning disk read/write heads

Moving disk heads to safe position

Connector for headphones

Pin-based board connector

Diode used for temperature sensing

Hardware supporting live device connection

Backplane supporting device replacement while powered

Physical/electronic system reset

Hardware measuring moisture in air

Combined headphones and microphone

Speaker element inside headphone

Mechanism moving disk heads

Arm carrying disk read/write head

Bearing supporting platter rotation

PCB controlling hard disk

Firmware controlling drive operation

Motor rotating disk platters

Circuit board inside hard drive

Circuit processing read signals

Positioning system for disk heads

Actuator moving disk head assembly

RAM buffering hard-drive operations

Protective housing around hard drive

Connector linking hard drive

Shaft rotating disk platters

Magnetic surface storing information

Addressable data area on disk

Circular data path on platter

Corresponding tracks across platters

Assembly carrying magnetic head

Air cushion supporting head slider

Rectifier using one half of AC.

Driver controlling two switching devices.

Switching circuit commonly used for motor control.