UltraStudio 4K Extreme capability...

The older UltraStudio 4K (Thunderbolt 2) unit supports a single key/fill pair.
Does the UltraStudio 4K Extreme support dual key/fill pairs? I'm curious as it does have 4 SDI outputs.
I can't seem to readily determine if it does support this configuration.
== Bruce.
Does the UltraStudio 4K Extreme support dual key/fill pairs? I'm curious as it does have 4 SDI outputs.
I can't seem to readily determine if it does support this configuration.
== Bruce.