SanDisk 512 MB Cruzer Titanium (SDCZ3-512-A10, Retail Package) 512 MB flash memory drive Connects via ultra-fast USB 2.0 (backward compatible with USB 1.1) Liquidmetal space-age metal casing that is crush-resistant over 2,000 pounds Includes Windows software for data encryption, back-up, and synchronization Compatible with Windows 98SE, ME, 2000, XP and Mac OS 9.1, OS X 10 and above