Blackmagic Videohub 20x20 12G is an advanced zero latency video router that supports any combination of SD, HD and Ultra HD on the router at the same time. It has 20 12G-SDI inputs and 20 12G-SDI outputs plus reference connections in a one rack unit size. The front panel LCD lets you see video before routing and clearly displays routing labels and video standards. Routing can be performed by direct button selection and using the large spin knob control that has an electronic clutch. It also features SDI re-clocking, external Ethernet control and supports all SDI video standards up to 2160p60.Blackmagic Videohub 12G eliminates cable mess because you can plug all your SDI equipment into the router, then do connections electronically! You don't need complex system diagrams for your studio because you can connect any video input to any video output, or even a single video input to multiple video outputs. This means monitors can view any source in the studio! You get total flexibility to handle constant change or even emergencies. It lets you use multiple HyperDeck recorders for redundant mastering. Or you can route video to multiple streaming processors for all broadcast platforms. Blackmagic Videohub 12G is also great for adding extra inputs to an ATEM switcher! Includes: Blackmagic Design Videohub 20x20 12G (VHUBSMAS12G2020), 6ft power cord and 5-pack of SolidSignal Cable Ties.