The VTG NMB Technologies RT-6251T REV B 5 Pin Mechanical Keyboard is a vintage keyboard manufactured by NMB Technologies INC. in Thailand. This retro PC accessory features a classic design with a clicky key action, perfect for adding a touch of nostalgia to your computing experience. With its 5 pin connector, this keyboard is compatible with a variety of vintage computers and systems, making it a sought-after item for collectors and enthusiasts of vintage computing technology. Untested.