hardware system

Amount of data stored per unit disk surface area.

Set of corresponding tracks across HDD platters.

Circular path containing sectors on a magnetic disk.

Small addressable storage area on a disk.

Delay waiting for the desired disk sector to rotate into position.

Time needed for an HDD head to reach a track.

High-speed HDD rotational speed used in some drives.

Common desktop HDD rotational speed.

Common slower HDD rotational speed.

Rotational speed of hard-disk platters.