Assembly containing multiple drive heads.

Mechanical structure parking HDD heads.

Ramp where heads rest when parked.

Multiple magnetic platters mounted together.

Shaft rotating hard-drive platters.

Bearing supporting the spindle motor.

Aerodynamic bearing effect supporting a flying head.

Small component carrying the magnetic read/write element.

Suspension supporting the head slider.

Track containing positioning information.

Area where heads can safely rest.

Small memory buffer inside a hard drive.

Embedded software controlling hard-drive operation.

Processor managing SSD data operations.

Package containing NAND flash memory.

DRAM used to accelerate SSD operations.

Flash area operated temporarily as SLC.

Material transferring SSD heat to a heatsink.

Cooling component attached to an SSD.

Embedded software controlling an SSD.

Hardware protecting cached data during power failure.

Capacitors providing temporary power during outages.

SSD controller operating without dedicated DRAM.

SSD technique using system memory for mapping information.

Independent communication path to NAND packages.

Independently accessible region within NAND.

Erase unit within NAND flash.

Typical read/write unit within NAND flash.

Individual flash storage element.

Flash space reserved for metadata or management.

Reserved flash capacity improving performance and endurance.

Amount of writing an SSD can reliably withstand.

Terabytes written rating.

Drive writes per day endurance measure.

Measure of remaining flash endurance.

Process reclaiming invalid flash blocks.

Feature allowing the host to identify unused storage blocks.