USB4 supports two 4k external displays up to 60hz (when supported by device and display).
Interface
100W USB-C power supply (up to 65W passthrough);
USB-C/USB4 left-oriented captive cable (80 cm) with dual LED indicator lights that confirm your Surface is docked and charging;
1 front-facing USB-A (USB 3.2 Gen 2, up to 10 Gb/s, 7.5W);
1 front-facing USB-C (USB4 Gen 3, compatible with Thunderbolt 4, video display enabled, 7.5W) USB4 supports: Charging, Dual display, up to 40Gb/s data transfer;
1 rear-facing USB-C (USB4 Gen 3, compatible with Thunderbolt 4, video display enabled, 7.5W);
1 rear facing HDMI 2.1;
1 rear-facing USB-C for PSU only;
1 Ethernet (1Gbit/s);
Security lock supportFootnote4 (Kensington compatible)