ROM containing startup firmware or instructions.

Adapter connecting SATA-based M.2 drives.

Dedicated chip for secure cryptographic operations.

Header providing I2C communication.

Firmware module stored on expansion hardware.

Embedded software controlling a storage device.

Magnet used by the actuator mechanism.

Mechanism reading or writing magnetic media.

Flash memory commonly used for firmware storage.

DRAM used by some SSDs for mapping and buffering.