Usb 30 stick memory size 128 gb read speed 175 mbs write speed 80 mbs backward compatible with usb 20 memory type flash memory dimensions 58 x 20 x 11 mm material plastic series verbatim v3 series manufacturers warranty 2 years weight 10 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 retractable usb plug colour blue