The HP Pavilion Media Center M8100N TV PC is a desktop computer with a tower form factor, featuring an AMD Athlon processor and 3 GB of RAM. This model does not come with a hard drive or operating system, allowing users to customize their setup with their own storage and software. With a processor speed of 2.8 GHz, this PC offers a balance of performance and functionality for various tasks. Ideal for users looking to build their own desktop system with a reliable brand like HP.