Portable solid-state storage using USB.
Portable solid-state storage using USB.
Motor rotating optical media.
Assembly containing the laser and optical components.
Laser used to read or write optical media.
Drive capable of recording Blu-ray discs.
Optical drive supporting Blu-ray discs.
Drive capable of rewriting DVD-RW media.
Drive capable of recording DVD-R media.
Optical drive supporting DVD media.
Everything is a system, and every system contains systerms.