Usb 20 stick memory size 8 gb read speed 18 mbs write speed 8 mbs backward compatible with usb 11 memory type flash memory dimensions 17 x 5 2 x 19 3 mm material plastic manufacturers warranty 2 years weight 1 g additional information read and write speed may vary depending on the capacity compatible operating systems linux mac os windows 7 windows 8 windows vista windows xp