DisplayPort can only be tunnelled over Thunderbolt because it consists of packets. Unless HDMI has been redesigned or overhauled in recent revisions, it is not packet-based, which severely limits its usability in a modern context. There are a lot of monitors with DisplayPort available. įor the computer to support it, you will needa) GPU which supports DP1.4 and is actually wired to the Thunderbolt controller directlyb) Titan Ridge or later Thunderbolt controller in the computerc) Thunderbolt dock (Titan Ridge or later) supporting DP1.4, or a USB-C to DP1.4 adapter (most are only DP 1.2)īasically every component in the chain must support DP1.4 and that is not a given as the vast majority are still DP1.2.īut for next time, I would avoid any reliance on HDMI. Here is DP1.4 to HDMI 2.1 adapter claiming 4K 120Hz support. HDMI 2.0 (which is common) will not support 4K 120Hz. Search for Thunderbolt docks or dongles which mention HDMI 2.1. You will need something which converts from Thunderbolt to HDMI 2.1, if that exists.
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