HIGHOT Highest Capacity 320GB Hard Disk Drive HDD for Microsoft Xbox 360 Gray (Not Compatible with Xbox 360 Slim) Compatible with all Xbox 360 consoles sold worldwide (not suitable for the new Slim Xbox 360 consoles) Save games & music, downloaded trailers, levels, demos and community-created content from the Xbox Live Marketplace and more. The available capacity may not be full 320GB for it needs a little GB to install the hard drive. Storage Capacity: 320GB. Dimensions: 193 x 77 x 23mm. Easy to replace and install