Usb 20 stick memory size 8 gb encryption 256 bit aes backward compatible with usb 11 memory type flash memory dimensions 50 x 18 x 10 mm material plastic series integral crypto certificatessafety fips 197 weight 13 g additional information read and write speed may vary depending on the capacity compatible operating systems mac os 10 windows 7 windows vista windows xp fastener with cap integrated security password protection