Usb 30 stick memory size 16 gb read speed 140 mbs write speed 20 mbs encryption 256 bit aes backward compatible with usb 20 memory type flash memory series integral courier manufacturers warranty 2 years additional information read and write speed may vary depending on the capacity compatible operating systems mac os 10 windows 7 windows 8 windows vista windows xp password 6 attempts fastener with cap integrated security password protection