, Super-fast solid state performance in a USB 3.1 flash drive , Read speeds of up to 420MB/s , Write speeds of up to 380MB/s—transfer a full-length 4K movie in less than 15 seconds or 1000 photos in less than 25 seconds , Sophisticated design with durable, aluminium metal casing , Secure file encryption and password protection with included SanDisk SecureAccess software