The ASUS Dual Radeon RX 6400 4GB is a graphics card featuring AMD's RDNA 2 architecture, designed for compact builds and offering a good balance of performance and compatibility. It boasts two Axial-tech fans for efficient cooling and a 2-slot design for broad compatibility, making it suitable for smaller PC cases. The card supports PCI Express 4.0, OpenGL 4.6, and has 4GB of GDDR6 memory.