4 M/E design includes 40 x 3G-SDI inputs, 24 x 3G-SDI outputs Includes a USB webcam output, 4 DVEs, 16 ATEM Advanced Keyers, 4 multiviews and 2 SuperSource for 12 x DVEs in total Built in 5' HD LCD monitor for video ATEM Software Control Panel included free for Mac 11.11 Big Sur, Mac 12 Monterey or later and Windows 10 or 11 Includes Multiview with Labels, Tally and Meters