Auto plug and play- no cd required for driver installation Supported os: 32bit and 64bit windows xp sp3, server 2003, vista, server 2008, seven, eight, 32bit and 64bit Linux and Mac os x Fips 140-2 level 3 certified and cap for each USB token is included Memory space: 64kb (EEPROM) - can store around 7-10 dsc. And connectivity: USB 2. 0 full speed, connector type a Laser printed serial number on each token