My Passport Ultra Hard Drive

Back casing which housed the internal components. 

Silver top case which housed the internal components.

The circuit board has 3 semiconductor chips attached to it that help run the devices. 

Cotton dust filter keeps the internal part of the device clean and dust-free. 

ESMT Chip

Marvell Semiconductor Controller Chip

Western Digital Nautalis Chip

Actuator Magnet

Read-Write Arm connected to the actuator controller.