Texas Instruments 32K TI99 4A Sidecard Memory Expansion Card

Texas Instruments TI-99 4A Computer (USA model only) HDMI Adapter Tested

Vintage TI-99/4A Speech Synthesizer PHP1500 Texas Instruments 1979 Untested

Texas Instruments TI-99/4A dual Atari Joystick Adapter with case (NEW)

Texas Instruments TI-99/4a cartridge holder and storage tray - 16 slots

Vintage TI-99/4A Speech Synthesizer Parsec Game PHP1500 Texas Instruments Tested

FinalGrom 99 for TI99/4A, DIY Hardware Project, PCB Only

TI 99/4a Texas Instruments RS232 PEB Peripheral Expansion Card, Tested, Working