Usb 30 stick memory size 8 gb read speed 40 mbs write speed 12 mbs backward compatible with usb 20 memory type flash memory material plastic series verbatim store n go manufacturers warranty 10 years weight 10 g additional information read and write speed may vary depending on the capacity compatible operating systems windows xp windows vista windows 7 windows 8 mac os x 104 linux 24 fastener retractable usb plug colour black