Matrox® Mura™ C4K quad HDMI capture PCI Express® card provides OEMs and system builders with best-of-breed hardware and software to enhance their video walls and operator workstations with advanced video processing capabilities. Mura C4K capture cards are ideal for control rooms, digital signage, AV presentation and other applications that require high-density HDMI streams up to 4Kp60. For OEMs, system integrators, AV installers, and developers looking to create custom control functions, we also offer a complete range of video wall software, APIs, SDKs, and libraries.