Usb 30 stick memory size 128 gb read speed 180 mbs write speed 50 mbs backward compatible with usb 20 memory type nand flash material plastic series patriot supersonic special feature rubber certificatessafety rohs fcc ce manufacturers warranty 5 years weight 11 g additional information read and write speed may vary depending on the capacity compatible operating systems windows me windows 2000 windows xp windows vista windows 7 windows 8 wind