Drive reading or writing floppy disks.
Drive reading or writing floppy disks.
Drive reading or writing Blu-ray discs.
Drive reading or writing DVDs.
Drive reading CD-ROM discs.
Drive reading or writing optical discs.
Storage combining magnetic and solid-state technologies.
Solid-state storage device using nonvolatile memory.
Hard disk drive using magnetic storage.
Enclosure allowing internal drives to operate externally.
Everything is a system, and every system contains systerms.