The Vintage Acer 6511-KW PS2 Windows Keyboard Extension # 41/S is a rare and sought-after piece for vintage computing enthusiasts. Made by the reputable brand Acer in China, this keyboard extension is designed to be used with the PS2 Windows operating system. Its vintage status adds a unique and nostalgic touch to any collection of vintage computer parts and accessories. This product provides a glimpse into the past and allows users to experience a piece of computing history. Has PS2 connector to pc. very clean. Please see pictures.