Disk storage
Videos
Disk storage is a data storage mechanism based on a rotating disk. The recording employs various electronic, magnetic, optical, or mechanical changes to the disk's surface layer. A disk drive is a dev
Six hard disk drives
Three floppy disk drives
A CD-ROM (optical) disc drive
Disk array
Videos
A disk array is a disk storage system which contains multiple disk drives. It is differentiated from a disk enclosure, in that an array has cache memory and advanced functionality, like RAID, deduplic
HP EVA4400 storage array, consisting of 2U controller enclosure (top) and 4 2U disk shelves
EMC Symmetrix DMX1000