Usb 30 stick memory size 60 gb read speed 455 mbs write speed 430 mbs backward compatible with usb 20 memory type flash memory dimensions 57 x 7 x 20 mm material aluminum series mushkin ventura manufacturers warranty 2 years additional information read and write speed may vary depending on the capacity compatible operating systems windows xp windows vista windows 7 windows 8 linux 26 mac os 10 fastener with cap colour black