SSD technique distributing writes across cells.

DRAM used by some SSDs for mapping and caching.

Time required to access stored data.

Command informing an SSD about unused blocks.

SSD without dedicated DRAM cache.

Time required for a disk head to move.

Reserved SSD capacity for maintenance operations.

Host Memory Buffer used by some NVMe SSDs.

Waiting time for a disk sector to rotate into position.

Extra NAND writes caused by internal SSD processing.