Usb 30 stick memory size 32 gb read speed 190 mbs write speed 50 mbs backward compatible with usb 20 memory type flash memory material aluminum series adata elite certificatessafety fcc ce vcci rohs manufacturers warranty lifelong weight 11 g additional information read and write speed may vary depending on the capacity compatible operating systems windows xp windows vista windows 7 windows 8 windows 10 mac os 9 linux 24 fastener retracta