Usb 30 stick memory size 256 gb backward compatible with usb 20 memory type flash memory material rubber series patriot supersonic certificatessafety fcc rohs manufacturers warranty 5 years additional information read and write speed may vary depending on the capacity compatible operating systems windows 8 windows 8 windows 7 windows vista windows xp windows 2000 windows me linux 24 mac os 9 fastener with cap colours black blue