* Black and chrome, chiclet keyboard - TI-99/4, the first TI home computer (1979).
* Black and chrome, typewriter keyboard - TI-99/4A, the revised version of the above (1981). * Beige, typewriter keyboard - TI-99/4A, cost-reduced version of the above (1983). Manufactured for only a few months before discontinuation in late 1983.
