Surface Thunderbolt 4 Dock | Dimension 5.91" x 2.95" x 0.84" (150 mm x 75 mm x 21.3 mm) | Weight 0.9 lb (410 g) | Connection 165W power Supply | Thunderbolt 4Cable with LED Charging indicator |1 front - Facing USB-A (USB 3.1 Gen2,7.5W) 1 front-facing USB-CFootnote® (USB 4 Thunderbolt 4, video display enabled, 15W) |2 rear-facing USB-A (USB 3.1 Gen 2, 7.5W)|2 rear-facing USB-CFootnote® (USB 4 Thunderbolt Footnote 4, video display enabled, 15W) | 1 Ethernet (2.5Gbit/s) | 3.5 mm audio jack |Security lock support (Kensington compatible) |Screw nut for desk mounts |Compatible with Cable Matters Desk Mount for Surface Thunderbolt 4 DockFootnote1 |1-year limited warranty .