The Bitec DisplayPort IP core accepts 1,2 or 4 lanes at either 1.62, 2.7, 5.4 or 8.1 Gbps link rate (includes eDP additional rates), in compliance with the DisplayPort 1.4 specification.
The RTX 50-series will also be the first Nvidia GPU lineup to sport a revision of DisplayPort beyond the now-ancient 1.4a ...
We should see DisplayPort 1.4a (DP2.1a would be nice to see) and most likely HDMI (let's hope for HDMI 2.1 but to keep costs down, we'll see HDMI 2.0 used). We can also expect a KVM switch ...