The WD_BLACK C50 Expansion Card for Xbox leverages the Xbox Velocity Architecture and delivers the same performance as your Xbox Series X|S internal storage. As game file sizes grow, capacities from 512GB to 1TB* let you keep more of todays top titles installed and ready to go. (* 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.) This officially licensed Xbox expansion card is plug-and-play with your Xbox Series X|S, so you dont have to worry about compatibility or opening your console to install. The expansion cards slick, industrial aesthetics deliver the cool factor that WD_BLACK is known for and fit in perfectly with your Xbox console. Unlike solutions where you have to transfer Xbox Series X|S games back and forth to the console, the WD_BLACK C50 expansion card lets you keep games ready to play. As game file sizes grow, capacities from 512GB to 1TB* let you keep more of todays top titles installed and ready to go. (* 1GB = 1 billion bytes and 1TB = 1 trillion bytes. Actual user capacity may be less depending on operating environment.)