Among the other series of SmartView collection, the SmartScope Duo 4K from Blackmagic Design has a superior feature that is the Independent Waveform for monitoring. That feature allows you to select between Vectorscope, YUV parade, Waveform, RGB parade, Histogram and Audio Phase Level displays. Both of the monitors also works independently in the 4K quality.
Detail of the connections in this SmartScope Duo 4K, for Video input; there is one SD/HD/3G/6G-SDI per monitor. For Video output, there is one SD/HD/3G/6G-SDI reclocked loop-through per monitor. Not to be left out, the Audio input and output has 16 Channels embedded capability in SDI signal. In specific for the Video, the color precision you can get is in the 8-bit quality with the color space at YUB and RGB. As to the computer interface, you will have the Ethernet port (1 In and 1 Out) and USB 2.0 (for software updates and Ethernet configuration).