WD Blue mobile hard drives feature Advanced Format technology, which increases the physical sector size from 512 bytes to 4096(4K) bytes while offering enhanced error correction capabilities and increased capacities. Slim 7mm designs allow WD Blue mobile hard drives to be used to add capacity in today's increasingly thin notebooks, desktops and all-in-ones. With capacities up to 2TB, WD Blue mobile hard drives can be used to increase the capacity of game consoles - critical with the ever-growing size of the latest games.