Usb 30 stick memory size 8 gb read speed 55 mbs write speed 5 mbs backward compatible with usb 20 memory type flash memory dimensions 69 6 x 20 9 x 8 9 mm material plastic series transcend jetflash certificatessafety fcc bsmi manufacturers warranty lifelong weight 12 g additional information read and write speed may vary depending on the capacity compatible operating systems linux 24 linux 26 mac os 9 mac os 10 windows 2000 windows 7 windows