The GX Capture Device is a hardware device often used for video capture and streaming. It is part of a product line made by AverMedia (or similar brands), and it allows users to capture video from various sources such as gaming consoles, cameras, or other video outputs, and transfer it to a computer. The "GX" model could refer to a specific series of capture devices like the AverMedia Live Gamer Portable 2 or another similar device.

The Windows driver for the GX Capture Device is essential for enabling your computer to communicate with the device, ensuring that the video and audio signals from the source device are properly captured and processed by the computer.