4 ms·MacOS supports MST mirror (which imho is mostly useless outside niche uses), but not MST extend.by jsjohnst 5y agoMacOS supports MST mirror (which imho is mostly useless outside niche uses), but not MST extend.tolle 5y agoOver Thunderbolt at least. I imagine it might subpar on non supported stuff.jsjohnst 5y agoNot sure what you mean, Thunderbolt is unrelated to MST. MST mirroring works with all the MST capable DP monitors I’ve tried (half dozen or so), but have never got MST extend to work.