1>USB plug and play without extra power supply 2>High speed reading and writing speed: USB2.0/1.1 3>Support USB full-speed (12Mbps) transmission 4>In Win me/2K/XP, Mac9.0 above, Linux 2.4 above, no driver instrallation needed 5>Driver support Win 98/98se 6>Support boot up by USB-HDD or USB-ZIP mode 7>LED indicator for status display 8>Password protection and data encryption prevents unauthorized access to data 9>Application software support in Windows OS. 10>Security function with the application software 11>Resize (Partition) available with the application software 12>Available in capacity of 64M/128M/256M