This unit is untested but was stored in a temperature, controlled environment and package separately in its original packaging. It is brand new and has not been used. There is no reason to suspect that it does not work. But please understand that you are buying it as an untested unit. The TRIDENT TGUI 9440 2MB PCI DOS/RETRO GAMING Video Card is a vintage graphics card designed for retro gaming and DOS environments. Manufactured by Trident, it features a chipset manufactured by the same company, with a chipset/GPU model of Trident 9440. With 2MB of EDO RAM memory and VGA connectors, this card is compatible with PCI slots, offering a nostalgic experience for gaming enthusiasts looking to relive the days of classic gaming on modern systems.