1GB Atom Flash Drive Smallest form factor of Imation flash drives provides ultimate data storage portability System Requirements - Windows 98SE, 2000, ME, XP, Vista, Mac OS 9.x and above, Linux 2.4 and above, Windows 2000, XP, and Vista Dimensions - Length 0.47 x Width 1.26 x Height 0.19 (12x32x4.8mm)