... 30.5*8.4mmUSB interface: USB1.0/1.1/2.0 techniqueData retention: 10 yearsService life: 1000000 times ... Read speed: 5 MB/S Write speed: 2.5MB/SOperation system: IBM PC / AT or compatible ... SE/ME /XP/2000/2003/Vista, Linux Kernel 2.4.x or above, Mac 9.0 or ... aboveSpecial function: encryption,bootable (need main board support), space division, auto-run, ad disk, gift USB flash drives ...