The MEMOREX 512MB USB 2.0 TravelDrive is a solid-state memory device that is shock resistant and unaffected by magnetic interference. So your valuable data will be even safer while stored in this non-volatile medium than it is on your computer's hard drive! LED identification for data access and connection verification Computer OS Compatibility - Windows 98 > XP (no NT), Mac OS 8.6+, Linux 2.4.0