The product is an official OEM Microsoft Xbox 360 S Slim 320GB HD internal hard drive. It is designed for the Microsoft Xbox 360 console and has a storage capacity of 320GB, making it ideal for storing games, videos, and other media. This black hard drive is compatible with the Xbox 360 S and Xbox 360 models, and it is manufactured in China. Please note that the product is being sold as untested, so buyers should be aware of the potential risks and uncertainties associated with purchasing untested items.