The Commodore 128D is an 8-bit home computer released in 1985 as an upgrade to the Commodore 128. It features a built-in disk drive, allowing users to access and store data more efficiently. The 128D supports multiple operating modes, including CP/M and C128, making it versatile for various applications. This model is known for its compact design and enhanced capabilities compared to its predecessors. It includes a full-sized keyboard and a 80-column display, which improves text clarity. The Commodore 128D was popular among hobbyists and small businesses during its time for its affordability and functionality.