Usb 20 stick memory size 128 gb read speed 16 mbs write speed 9 mbs backward compatible with usb 11 memory type flash memory dimensions 54 x 21 x 9 mm material plastic series verbatim store n go manufacturers warranty 2 years weight 86 g 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 windows 8 fastener retractable usb plug colo