The ATEN VM7404 4-Port 3G-SDI Input Board allows seamless routing of 4 SDI video and audio sources to displays. Compatible with ATEN Modular Matrix Switches, it supports SD-SDI, HD-SDI, and 3G-SDI formats, with resolutions up to 1080p @ 60Hz. Ideal for surveillance and broadcast applications, it features a hot-swappable design for easy maintenance.