How do I connect two external monitors with HDMI to a MacBook?

I have a MacBook Pro with the M5 and want to connect two external monitors. What sort of docking station or dongle do I need for this? They're just boring office monitors with HDMI connections, so nothing fancy needed.


[Re-Titled by Moderator]

Original Title: MacBook

Posted on Dec 4, 2025 1:16 PM

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11 replies

Dec 5, 2025 9:47 AM in response to AppleCore_88

Re: “And hey, don't get fooled into trying to use BOTH HDMI ports on the dock, as my understanding is that the MacBook Pro, at least the 2021 M1 Max model, can only support one additional external monitor per USB-C port.”


Macs do not support DisplayPort MST. So a Mac that supports multiple monitors can drive one over a plain USB-C connection / dock, or up to two over a Thunderbolt dock. (A Thunderbolt connection can carry two encapsulated DisplayPort sessions.)

Dec 5, 2025 7:21 AM in response to Spencied

You should have one HDMI port on a newer MacBook Pro. Then, get a USB-C HDMI Dongle; there is an Apple option available. I actually use a "j5create 10G | 4K60" portable dock that also offers a built-in USB-C port, giving you back the port it took up, along with the additional HDMI port, as well as standard USB ports and memory card readers. It also has a 1 G Ethernet port, which isn't great if you have a screaming fiber connection, but it's nice for travel. It was only around $80.


And hey, don't get fooled into trying to use BOTH HDMI ports on the dock, as my understanding is that the MacBook Pro, at least the 2021 M1 Max model, can only support one additional external monitor per USB-C port. I assume it works for a Windows-based system.

Dec 5, 2025 8:39 AM in response to Spencied

The Mac does not support two displays on one USB-C cable out of the Mac.


if you want One-cable connection, that limits you almost exclusively to a Thunderbolt docking station.


[The exception is ONE USB-C dock that I know of that connects to TWO USB-C connectors on the left side of certain models of MacBook Pro. That seems a bit awkward for frequent plug and go operation.]


Use caution when shopping. Some Docks support their second display using DisplayLink, a 'trick' that create a mostly software "fake" display. There are many drawbacks.

Dec 5, 2025 6:28 AM in response to Grant Bennet-Alder

The Mac demands nothing.

What you are referring to is the limit for the Thunderbolt signal for 4K or higher resolutions. This being HDMI, it has a much larger limit. 10 Feet is the the recommended limit.


It should work fine and is from a known brand.


Also, it's just an example. Does not need to be that specific cable.


Alternatively, you can get an adapter and any reasonable length HDMI cable you want then.

Belkin USB-C to HDMI 2.1 Adapter, Tethered 4.33in Cable w/ 8K @ 60Hz, 4K @ 144Hz, HDR, HBR3, DSC, HDCP 2.2 - Amazon.com


Dec 5, 2025 8:20 AM in response to Spencied

Thanks for the responses to date. Just to clarify, I'm in and out of my office frequently throughout the day and am looking for something that gives quick "docking station" type of capability. For example, with my SurfacePro, I plug one adapter into one port and it has a splitter that goes to each monitor - it takes one motion and about 2 seconds to go from mobile work to desktop capabilities with two monitors. I want something that allows for a clean desk when I'm away and super easy to plug in and get to work. thanks for the ideas.

How do I connect two external monitors with HDMI to a MacBook?

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