The adaptor you found on Amazon is for Mini DisplayPort to HDMI. Tom, thank you very much indeed for your thoughtful and very informative answer. It all depends on how youd like to set up your monitors, models of the monitors you have and which MacBook Pro 13 you have.
MACBOOK PRO MULTIPLE MONITORS SETUP FOR MAC
This would explain why the M1-based Mini only supports two external displays, and why the 13" M1-based rMBP only supports one external display. Can I connect my MacBook pro to two external monitors For Mac computers with Mini DisplayPort, Thunderbolt, or Thunderbolt 2: You can connect up to two displays.If the displays themselves have Thunderbolt ports, you can connect one display to another, and then connect one of the displays to a Thunderbolt port on your Mac. The other output supports the Mini's HDMI port, or a laptop's built-in screen – and like its Intel iGPU counterpart, is not available to drive any of a laptop's external screens. That output is available to drive an external display both on the Mini and the laptops.
(Same number of DP or TB3 monitors, plus one HDMI monitor.)Īn educated guess is that the M1 chip might only have two internal video outputs, one of which supports 5K/6K displays much more efficiently than the "split screen" Intel outputs do. Intel-based Mac Minis do not, and this accounts for the Intel-based Mini being able to drive more external monitors than the 13" Intel-based rMBP. It looks to me as if 13" Intel-based rMBPs permanently reserve one iGPU output for the built-in screen, whether the lid is closed or not. Intel iGPUs have three internal video outputs – none of which directly support resolutions of 5K/6K. If the Mac Mini is able to do that with the M1 chip, the MacBook should also be, at least when the lid is closed. (If the initial batch of M1-based laptops could work with dual-external-monitor setups, I'm not sure why Apple would want to hide that information.) This is not a matter of USB4 (Thunderbolt 3) bandwidth – so more likely, it reflects some limitation on the number of internal outputs from the M1's iGPU. It can have "up to 6K resolution at 60Hz". The technical specifications for both clearly specify one external display. Is the new MacBook Pro/Air really unable to work with two external monitors, even when the lid is closed?
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