Avolusion (AVXBOXHD-N4T) 4TB XBOX One External USB Hard Drive Expansion Kit (Nyko Data Bank + 4TB HDD) - 2 Year Warranty Build-in 4TB Storage Capacity for XBOX One Game Console Instantly upgrade the storage capacity of the Xbox One Store massive games, video & music Plug and Play, No need to open the XBOX One console chassis. 2 Years Warranty from Reseller