Detailed Specifications: Four-link 12G-SDI capable of capturing and outputting SD, HD, Ultra HD, 4K, 4K DCI, 8K and 8K DCI! Interface SDI Video Input: 4 bidirectional 12Gb/s SD/HD/2K/4K/8K. Supports single-link, dual-link and quad-link 4:2:2/4:4:4. Switchable between 2D and 3D. SDI Video Output