Just like the ATEM Extreme ISO HDMI version this SDI vision switcher ATEM SDI Extreme ISO hire is a powerhouse all packed into a neat package enabling 8 SDI inputs to be switched with recording for individual channels or the main output and in buiilt streaming options and 4 SDI outputs plus USB-C outputs for webcam to computer or recording to a hard drive.  https://www.wwave.com.au/vision-switcher-blackmagic-sdi-atem-extreme-iso-hire.html