Use Surface Thunderbolt 4 Dock via USB-C to connect your Surface to full-size monitors, an ethernet connection, external speakers, and more. It also charges your Surface.

If you're not sure which dock you have, go to Identify your Surface Dock and features.

Get to know your Surface Dock

Ports

Get to know the ports on your Surface Dock. 

Shows the two ports on the front of the Surface Thunderbolt 4 dock (USB-A and USB-C).

Shows the back and side of the Surface Thunderbolt 4 Dock, with its ports.

1 & 7

USB-C port(s) (USB 4 Thunderbolt™ 4, video display enabled)

Use this port to connect USB-C accessories.

The USB-C ports on Surface Thunderbolt™ 4 Dock can be connected to an external monitor. Depending on your monitor's video output ports, you may need a display adapter (sold separately).

2 & 6

USB-A port(s) (USB 3.1 Gen 2, Up to 10 Gigabit per second)

Transfer large files to an external drive, connect a USB printer or headset, charge accessories, and more.

3

Security lock slot

Connect your Dock to a security lock cable.

4

Power jack

The power jack connects your dock to its power supply.

5

Ethernet port (2.5 Gigabit per second)

When you need the reliability and speed of a wired network connection, connect your Surface to a wired network using the ethernet port.

8

Audio port

Connect your favorite audio accessories, such as wired speakers or headphones, to your dock’s 3.5mm audio port

Note: Surface Thunderbolt™ 4 Dock works best with devices that are Thunderbolt™ 4 compatible. For more info on supported resolutions, see Maximum display refresh and resolutions possible with Surface Dock

Power supplies

Find out which power supply model goes with your Surface Dock.

Surface Dock model

Power supply unit model

Power supply wattage

Passthrough to device

Surface Thunderbolt™ 4 Dock

2055

165W (22 volts @ 7.5 amps)

96W

Compatibility with Surface devices

Check your Surface model in the table below to see which dock features will be available. If your Surface isn't listed, it isn't compatible with this dock. For information on how to find your Surface model, go to Find out which Surface model you have.

For information on supported video resolutions and refresh rates for the device and the dock, see Supported external display resolution and refresh rates for Surface.

Surface model

USB-C data transfer rate

Surface Pro 7+ Surface Pro 7

Up to 10 Gbps

Surface Pro (11th Edition)* Surface Pro 10 for Business* Surface Pro 9 (Intel/Wi-Fi)* Surface Pro 8*

Up to 40 Gbps

Surface Pro 9 with 5G

Up to 10 Gbps

Surface Pro X

Up to 10 Gbps

Surface Laptop 4 Surface Laptop 3

Up to 10 Gbps

Surface Laptop (7 Edition)* Surface Laptop  6 for Business* Surface Laptop 5*

Up to 40 Gbps

Surface Laptop Go 2 Surface Laptop Go

Up to 10 Gbps

Surface Laptop Go 3

Up to 10 Gbps

Surface Laptop Studio*

Up to 40 Gbps

Surface Laptop Studio 2*

Up to 40 Gbps

Surface Book 3

Up to 10 Gbps

Surface Go 3 Surface Go 2

Up to 10 Gbps

Surface Go 4

Up to 10 Gbps

* Surface Thunderbolt™ 4 Dock is optimized for devices with a USB4/Thunderbolt™ 4 port. This includes the Surface devices* listed in the accompanying table.

Set up your Surface Dock

After you've unpacked your dock, put it where you want on your desk and leave out any necessary cords or cables to get to them easily. Now you're ready to set it up.

Set up your workspace and plug in

  1. Plug the AC end of the dock power cord into a power source, then plug the other end into the power jack on the dock.

  2. If you want to use a wired network connection, connect a network cable to the Ethernet port.

  3. Connect your USB computer peripherals to the USB ports. 

  4. Connect a video cable from your monitor to the USB-C port on the back of your Surface Thunderbolt™ 4 Dock. If your monitor cable doesn't have a USB-C connector, you'll need to buy another cable or an adapter. For more info on adapters, go to Connect Surface to a TV, monitor, or projector.

  5. Connect any audio accessories, such as wired speakers or headphones.  Without external speakers, you may not hear audio when you're using your Surface. To learn how to switch to the built-in speakers on your Surface, go to Troubleshoot Surface Dock and docking stations.

Connect your Surface to your dock

After you've set up your workspace:  

  • If your host device supports USB4®/Thunderbolt™ 4, connect the cable from the dock to the USB4®/Thunderbolt™ 4 port on your host device.  Otherwise connect the cable from the dock to any USB-C port on your host device.

Your device will charge and automatically connect to the accessories and peripherals connected to the Dock.

Set up your monitor

After you’ve connected your Surface and your external monitor to the dock, you can choose what to display on each screen. Here’s how:

  1. Go to Start  > Settings  > System  > Display .

    Open Display settings

  2. Expand Extend desktop to this display and choose one of the following options:

    • Duplicate desktop on 1 and 2. Your screen appears on two screens.

      Note: You may see additional options as well, like Duplicate desktop on 1 and 3.

    • Extend desktop to this display. Your screen is spread over two screens, and you can drag items between the two screens.

    • Show only on __. Your screen appears on the selected screen, and the other screen is blank.

Note: To learn more about how to set up your monitor, go to Connect Surface to a TV, monitor, or projector.

Set up your audio

After you’ve connected your Surface and audio devices to the dock, if multiple audio devices are available you can choose your input and output preferences. Here’s how:

  1. Go to Start  > Settings  > System  > Sound .

    Open Sound settings

  2. Under Output, choose your output device.

  3. Under Input, choose your input device.

Note: To learn more about setting up sound on your Surface, go to Surface sound, volume, and audio accessories.

Get the latest Surface and Windows updates

To make sure your Surface is working properly, get the latest updates. For more info, see Install Surface and Windows updates. When updating, make sure your Surface is connected to your Surface Dock and is getting power. 

For more info on updating your Surface Dock, go to Update your Surface Dock.

Related topics

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.