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What functionality does USB C port have on the Surface 4 Laptop? I.E. Power Only, Power + Data Transfer, Power + Display, or Power + Data + Display?
AI answer
For Surface Laptop 4, the USB-C port supports power, data transfer, and display output.
The supported USB-C behaviors in the Surface device matrix for Surface Laptop 4 (Intel only) are:
That corresponds to Power + Data + Display.
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The USB-C port on the Surface Laptop 4 does all three: Power + Data + Display.
One cable can charge it, transfer data, and drive an external display simultaneously — it's just bandwidth-limited compared to the USB4/Thunderbolt 4 ports on newer Surface Laptop 7 or Pro 11 models.
