Macs With M3 Chip Still Officially Support Only a Single External Display
Macs equipped with the standard M3 chip still support only one external display with up to 6K resolution at 60Hz, according to Apple's tech specs. So far, the chip is available in the entry-level 14-inch MacBook Pro and the 24-inch iMac.
This limitation has existed since the first Apple silicon Macs with the M1 chip were released in 2020, but users can connect multiple external displays to M1, M2, and M3 Macs with DisplayLink adapters as an unofficial workaround. One exception is the Mac mini, which will likely be updated with the M3 chip next year and should retain support for up to two external displays, given that it lacks a built-in display.
The higher-end 14-inch and 16-inch MacBook Pro models support up to two external displays with the M3 Pro chip, and up to four with the M3 Max chip.
M3 chip display support:
One external display with up to 6K resolution at 60Hz
M3 Pro chip display support:
Up to two external displays with up to 6K resolution at 60Hz over Thunderbolt, or one external display with up to 6K resolution at 60Hz over Thunderbolt and one external display with up to 4K resolution at 144Hz over HDMI
One external display supported at 8K resolution at 60Hz or one external display at 4K resolution at 240Hz over HDMI
M3 Max chip display support:
Up to four external displays: Up to three external displays with 6K resolution at 60Hz over Thunderbolt and one external display with up to 4K resolution at 144Hz over HDMI
Up to three external displays: Up to two external displays with 6K resolution at 60Hz over Thunderbolt and one external display with up to 8K resolution at 60Hz or one external display with 4K resolution at 240Hz over HDMI
The new MacBook Pro models are now available to order, and most configurations will begin arriving to customers and launch in stores on Tuesday, November 7. M3 Max configurations will be available a few days later.
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