Video Support Up to three external displays with up to 6K resolution and one external display with up to 4K resolution at 60Hz (M1 Max). Connections SDXC card slot, HDMI port, 3.5mm headphone jack, MagSafe 3 port, Three Thunderbolt 4 (USB-C) ports with support for: Charging, DisplayPort, Thunderbolt 4 (up to 40Gb/s) and USB 4 (up to 40Gb/s).
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