Microsoft's most fully featured Surface dock connects over a captive Thunderbolt 4 cable and pushes up to 96W of power back to the host. It runs USB4/Thunderbolt 4 at up to 40Gbps and supports two 4K monitors at 60Hz through its downstream USB-C ports. You get three USB-C (Thunderbolt 4, video-enabled, 15W each), three USB-A (10Gb/s), 2.5GbE Ethernet, a 3.5mm audio jack, and a Kensington lock. Note there are no dedicated HDMI or DisplayPort connectors — external displays attach via the USB-C ports.
Surface TB4 dock with captive host cable, three TB4 USB-C, three USB-A 10Gb/s, 2.5GbE, and 3.5mm audio; 96W to host.
Device Information
- Manufacturer
- Microsoft
- Release Year
- 2023
- Model Number
- T8H-00001
- Category
- Dock / Hub
Source: manufacturer product page · Last updated: · How we verify port data →
Available Ports
| Connector | Quantity | Power (PD) | Capabilities | Label | Notes |
|---|---|---|---|---|---|
| Thunderbolt 4 (USB-C) | 1 | 96 W | DP Alt Mode Thunderbolt | Captive Thunderbolt 4 host cable | Upstream host link (80cm captive cable); up to 96W passthrough charging |
| Thunderbolt 4 (USB-C) | 3 | 15 W | DP Alt Mode Thunderbolt | USB-C (1 front + 2 rear, video-enabled) | Downstream USB4/Thunderbolt 4, video display enabled, 15W each |
| USB Type-A (USB 3.2 Gen 2) | 3 | — | — | USB-A (1 front + 2 rear) | 10Gbps data, 7.5W |
| RJ-45 (2.5G Ethernet) | 1 | — | — | 2.5GbE Ethernet (rear) | 2.5 Gigabit wired networking with Wake-on-LAN |
| 3.5mm TRRS (Headset with Mic) | 1 | — | — | 3.5mm audio in/out | Stereo output with mic input |
| Kensington Security Slot | 1 | — | — | Security lock slot | Kensington-compatible lock |
Notes & Compatibility
Connects via a captive 80cm USB4/Thunderbolt 4 cable (modeled as the upstream link). Ships with a 165W external power supply (not modeled); up to 96W passthrough to the host. No HDMI or DisplayPort — displays connect via the three video-enabled USB-C TB4 ports (dual 4K@60Hz). USB data up to 32Gbps.
Common questions
How many ports does the Microsoft Surface Thunderbolt 4 Dock (2023) have?
The Microsoft Surface Thunderbolt 4 Dock (2023) has 10 ports in total: 4 × Thunderbolt 4 (USB-C), 3 × USB Type-A (USB 3.2 Gen 2), 1 × RJ-45 (2.5G Ethernet), 1 × 3.5mm TRRS (Headset with Mic) and 1 × Kensington Security Slot.
What kinds of ports does the Microsoft Surface Thunderbolt 4 Dock (2023) have?
By connector family, the Microsoft Surface Thunderbolt 4 Dock (2023) has 4 Thunderbolt, 3 USB, 1 Network, 1 Audio and 1 Other.
How many USB ports does the Microsoft Surface Thunderbolt 4 Dock (2023) have?
The Microsoft Surface Thunderbolt 4 Dock (2023) has 3 USB ports: 3 × USB Type-A (USB 3.2 Gen 2). It also has 4 Thunderbolt ports (4 × Thunderbolt 4 (USB-C)), which use the USB-C connector shape.
What video connections does the Microsoft Surface Thunderbolt 4 Dock (2023) have?
The Microsoft Surface Thunderbolt 4 Dock (2023) has 4 ports that can carry video: 4 × Thunderbolt 4 (USB-C). Its Thunderbolt 4 (USB-C) ports support DisplayPort Alt Mode, so video travels over the USB-C connector itself with a suitable cable or adapter.
How is the Microsoft Surface Thunderbolt 4 Dock (2023) powered?
The Microsoft Surface Thunderbolt 4 Dock (2023) takes power over 4 × Thunderbolt 4 (USB-C). Thunderbolt 4 (USB-C) carries up to 96 W. Thunderbolt 4 (USB-C) carries up to 15 W.
Does the Microsoft Surface Thunderbolt 4 Dock (2023) have HDMI?
No. The Microsoft Surface Thunderbolt 4 Dock (2023) has no HDMI port. It does carry video over 4 × Thunderbolt 4 (USB-C).
