Usb 30 stick memory size 8 gb read speed 35 mbs write speed 20 mbs backward compatible with usb 20 memory type flash memory material aluminum series intenso premium line special feature shockproof manufacturers warranty 2 years weight 4 g additional information read and write speed may vary depending on the capacity compatible operating systems windows xp windows vista windows 7 windows 8 windows 10 mac os x 106 linux 24 fastener without cap