Check the listing for details. New Texas Instruments Computer 32K TI99 4A Sidecard Memory Expansion Card 729. Listed at 44.81 USD. Nearly 100% satisfied customers! Very fast national & international postage! Feedback Our items Our offer Cables & Connectors PC / Laptop / Tablet Accessories Console Accessories Mobile Phone Accessories Car Accessories Memory Cards & Pen Drives Digital Scales Gadgets & Batteries Thermometers & Clocks Power Tools & Hand Tools Sport & Health Accessories Toys & Games Vintage Computing Accessories Shipping Every package is securely wrapped with bubbles, peanuts, foams, paper, cardboard to insure the safe arrival of your new product. We understand the certainty of receiving a product the way you purchased it, that is why we have a strong, experienced packaging team to work with your every need. All parcels are shipped within 24 hours from the moment we receive the payment. We deliver worldwide. Returns If you are not satisfied with this product, you can return the item within 14 days. Texas Instruments TI99 4A 32K Sidecar Memory Expansion Card Works great with the Flashrom99 and Finalgrom99 perfectly. Comes with white 3D printed case. Note: If used with a speech unit a power modification needs to be done to the speech unit to route power to the memory expansion.