Usb 20 stick memory size 8 gb read speed 18 mbs write speed 10 mbs backward compatible with usb 11 dimensions 45 2 x 23 0 x 8 5 mm material metal series transcend jetflash certificatessafety fcc bsmi preinstalled software file rescue weight 7 g additional information read and write speed may vary depending on the capacity compatible operating systems linux 24 mac os 9 windows 2000 windows 7 windows me windows vista windows xp