Usb 20 stick memory size 4 gb read speed 14 mbs write speed 5 mbs encryption 256 bit aes backward compatible with usb 11 memory type mlc nand flash dimensions 15 4 x 11 8 x 1 4 mm series philips vivid edition manufacturers warranty 2 years weight 9 g additional information read and write speed may vary depending on the capacity compatible operating systems linux linux 24 mac os 9 windows 2000 windows 98 windows me windows vista windows xp faste