DisplayPort 1.4 To Support 8K Displays over USB-C, 4K@120 Hz, 32 Audio Channels - CNX Software
DIsplayPort 1.2 - Displays - Linus Tech Tips
Does DisplayPort Support 144Hz?
Compare DisplayPort 1.2 vs DisplayPort 1.4
display - Do I have to use DisplayPort cables for 120Hz+ monitors? - Super User
Noob question: why is Display port 2.1 a big deal? It seems like most of the games won't be able to run at this speed. And it's not like the GPU itself
3-Port Mini DisplayPort to DisplayPort Splitter, 4K 60 Hz UHD | Eaton