Streamline the way you work and connect. Surface Dock 2 instantly transforms your Surface into a desktop PC with all the next-gen ports you need, including USB-C(R). Simply plug in the Surface Connect cable to charge your device and access external monitors, a keyboard, mouse, and more. Compatibility Surface Book 3 (13. 5" and 15") Surface Pro 7 Surface Pro X Surface Laptop 3 (13. 5" and 15") Surface Go 2 Supports dual 4K monitors at 30Hz: Surface Pro 6 Surface Pro (5th Gen) Surface Laptop 2 Surface Laptop (1st Gen) Surface Go Surface Book 2 (13. 5" and 15") Not compatible with: Surface Pro 4 Surface Pro 3 Surface Book (1st Gen) Dimensions 130 mm x 70 mm x 30 mm (5. 12" x 2. 75" x 1. 18") Weight 515 g (1. 13 lb) Connections 199W power supply Supports dual 4K at 60Hz Surface Connect cable (80 cm) 2 front-facing USB-C(R) (10 Gbps) (15W) 2 rear-facing USB-C(R) (10 Gbps) video display enabled (7. 5W) 2 rear-facing USB-A 3. 2 (10 Gbps) (7. 5W) 3. 5mm in/out audio jack 1 gigabit Ethernet Security lock support (Kensington compatible) Warranty 1-year limited warranty