Special Features:

Disk contains two heads; rotational speed is 5400 rpm; rotation time is 11.11 ms; average rotational latency is 5.56 ms; disk interface is serial-ata/150; buffer-host max. Rate is 150 mb/second; buffewr size is 8192 kb; drive ready time is 3.5 seconds; average seek time is 12 ms; track to track seek time is 1 ms; form factor is 2.5 inches;

Properties:

An electromechanical item which accepts and systematically retains digital input data in such a manner as to facilitate the rapid recovery of stored information. The item may or may not consist of disk(s) some of which are removable, hard, removable disk packs, fixed disks, or removable flexible, each surface coated with a material susceptible to spot magnetization, integral writing, a drive motor and its mechanical linkage, and data translating heads for impressing on or removing from the disk surface data in digital form. the item is a component of an electronic computer. see also, magnetic drum, data storage; core memory unit.