The Teradek Prism 873 4K 10bit HEVC/AVC 12G-SDI Decoder Card is a low-latency blade decoder designed for the Prism 1RU and 2RU rack mount systems. The Prism 873 decoder card supports 4K, 10-bit, 4:2:2 video decoding in a high-density format. This card allows you to receive video from a Prism, Cube, Slice, Core, and T-Rax encoders.