Usb 30 stick memory size 128 gb read speed 260 mbs write speed 240 mbs backward compatible with usb 20 memory type flash memory material aluminum series sandisk extreme series manufacturers warranty lifelong preinstalled software sandisk secure access weight 17 g compatible operating systems windows xp windows vista windows 7 windows 8 windows 8 mac os windows 10 fastener retractable usb plug colour silver integrated security password protecti