This Atari 400 Computer System console comes with a power supply and is tested and working. It is a vintage computer system that is perfect for collectors or those who want to experience the nostalgia of the 70s. The console is made by Atari and features the iconic Atari 400 model.This console is perfect for anyone who wants to relive the era of vintage computing. It is ideal for those who want to experience the thrill of owning a piece of computing history. The console is in excellent working order and comes with everything you need to get started. It is a must-have for any collector of vintage computer systems.