The AJA HA5-4K is a professional converter that allows users to easily convert 4K HDMI to 4x 3G-SDI, and also supports HD-HDMI to HD SDI. With support for UHD and HD video formats, this converter provides high-quality conversion for various professional video applications. Its connectivity options include HDMI and 3G-SDI, making it a versatile tool for broadcasting and recording in different formats. The AJA HA5-4K is designed for high-resolution video streams, ensuring precise conversion with 4K resolution capabilities.