Usb 30 stick memory size 128 gb read speed 90 mbs write speed 40 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 manufacturers warranty 30 years weight 85 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 2000 windows xp windows vista w