Rosewill Direct USB 2.0 Slim 8x DVD Writer External Optical Drive ROD-EX003-R DVD-ROM Access Time: 130ms CD-ROM Access Time: 110ms Cache: 2MB DVD+R: 8x Operating Systems Supported: Windows 2000/ME/XP/Vista, and Linux Operating System High efficient power saving modes no power adapter required SMART-X Smart Monitoring & Adjusting Read-speed Technology for extraction