Well, I'll try and find out if that's the case, provided Big Sur boots up with the OWC Dock attached.Īttached to the Thunderbolt 4 port, adjacent to the Gigabit Ethernet port, is an Envoy Pro EX SSD with Big Sur 11.1 on it. I should get one live Thunderbolt port that I can boot from and several USB-A ports that I cannot boot from. So that would imply that my old TB2 computer should behave under Big Sur exactly as it does under Mojave. Yep, you’ve got it – with Big Sur, your Thunderbolt 3 Mac is now (essentially) a “Thunderbolt 4” computer! Consider it an early Christmas gift from Apple." With this week’s release of macOS 11.1, all Thunderbolt 3 Macs now support hubbing. However, we have some big news to report… We can verify that pre-Thunderbolt 3 Mac models do not support hubbing, and additional ports on these Macs will operate only for USB 3 and up to 10Gb/s (USB 3.1g2 aka USB 3.2). One of the most exciting advances in Thunderbolt technology is that the 4th generation allows for “hubbing” – connecting up to four Thunderbolt devices through one port. Please note: this single monitor limitation does not affect Intel-based Macs with Thunderbolt 3, or later M1 models that ship with M1 Max, M1 Pro, or M1 Ultra processors.That TB2 Macs don't get the Hubbing feature under Big Sur. One dual monitor example is our DK30CHDDPPD, but please contact support for a recommendation based on your specific setup. One option that allows for more than one external display with an Apple M1 or M2 silicon is to use a USB-C DisplayLink-based docking station or video adapter that requires a driver install.
Turning off the laptop display or using clamshell mode does not change this. This is not a limitation of products specifically, and Apple lists support for only one external display in the Tech Specs for Video Support on the M1 MacBook Pro 13”.
This limitation also applies to using multiple Thunderbolt or USB Type-C display adapters on both Thunderbolt/USB Type-C ports. Late 2020 models of MacBook Air, MacBook Pro 13-inch, and Mac Mini systems using the original Apple M1 or 2022 models of MacBook Air, and MacBook Pro using the Apple M2 chip support only a single external display over the Thunderbolt 3 ports, even when connected to a Thunderbolt 3 docking station or adapter with more than one video output.
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