Hi Community,
For M22******- M4 2025
Looking to extend 2x monitor using only One Thunderbolt 4 (USB-C)
What would you recommend?
I currently use a USB-C to 2x HDMI splitter - this works fine with any other windows laptop - however not with my Mac Air.
Your advice would be much appreciated.
regards Ro
[Edited by Moderator]
If this is a plain USB-C device that depends on DisplayPort MST to drive two or more displays, it will not work. Macs do not support the use of MST over plain USB-C(DisplayPort) connections. The typical symptom is that the Mac only sees one monitor, while the hub feeds a copy of the same signal to the other.
You need a genuine Thunderbolt hub, dock, or dual-display adapter if you want to attach two monitors (up to 3840x2160 @ 60 Hz each) using a single docking cable to the Mac,
If this is a plain USB-C device that depends on DisplayPort MST to drive two or more displays, it will not work. Macs do not support the use of MST over plain USB-C(DisplayPort) connections. The typical symptom is that the Mac only sees one monitor, while the hub feeds a copy of the same signal to the other.
You need a genuine Thunderbolt hub, dock, or dual-display adapter if you want to attach two monitors (up to 3840x2160 @ 60 Hz each) using a single docking cable to the Mac,
Three long-time vendors of Thunderbolt equipment for Macs are Other World Computing (MacSales), SonnetTech, and CalDigit. You might want to look at the Thunderbolt offerings on their Web sites.
MacBook Air: USB-C splitter not extending to dual monitors
