Usb 30 stick memory size 128 gb read speed 275 mbs write speed 160 mbs backward compatible with usb 20 memory type mlc nand flash material zinc alloy series corsair flash voyager weight 64 g additional information read and write speed may vary depending on the capacity compatible operating systems windows vista windows 7 windows 8 windows 81 windows 10 mac os 10 linux fastener with cap colour grey