Usb 30 stick memory size 8 gb read speed 55 mbs write speed 5 mbs backward compatible with usb 20 memory type nand flash material plastic series transcend jetflash special features splash proof shockproof dustproof certificatessafety bsmi fcc ce rohs weight 85 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 2000 windows xp windows vista windows 7 windows 8 windows 81 windo