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Microsoft Commercial / Business Accessories / Microsoft Surface Thunderbolt 4 Dock for Business
Docks & Accessories • ACCESSORIES

Microsoft Surface Thunderbolt 4 Dock for Business

Model: T8I-00001
Part Number: T8I-00001
  • Surface Enterprise Management Mode (SEMM) for Dock locks down dock ports and restricts functionality to specific devices
  • Connect up to two 4K monitors at 60Hz and transfer data at up to 40Gbps over USB4®/Thunderbolt 4
  • Up to 96 watts of power passthrough to the PC from the 165 W power supply
  • MAC Address Passthrough maintains device network identity from one dock to another in shared workspaces
  • 3 × USB-C® (Thunderbolt 4), 3 × USB-A, 2.5Gbit/s Ethernet, and a 3.5 mm audio jack, with tactile indicators for easily locating ports
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Technical Architecture

Comprehensive Specifications

General Information
Brand Microsoft
Product Series Docks & Accessories
Commercial Model Microsoft Surface Thunderbolt 4 Dock for Business
Form Factor / Classification SEMM for Dock
Target Deployment Profile IT teams managing shared or mission-critical workspaces that need secure, manageable USB4®/Thunderbolt 4 docking for Surface and other compatible devices.
Connectivity & I/O Ports
Ports 1 front-facing USB-A (USB 3.1 Gen 2, 7.5W); 1 front-facing USB-C® (USB 4 Thunderbolt 4, video display enabled, 15W); 2 rear-facing USB-A (USB 3.1 Gen 2, 7.5W); 2 rear-facing USB-C® (USB 4 Thunderbolt 4, video display enabled, 15W); 3.5 mm audio jack
Ethernet 1 Ethernet (2.5Gbit/s)
Monitor Support Up to two 4K monitors at 60Hz (requires device with USB4®/Thunderbolt 4 port)
Mechanical, Dimensions & Weight
Security & Mounting Security lock support (Kensington compatible); screw nut for desk mounts; compatible with Cable Matters Desk Mount for Surface Thunderbolt 4 Dock for Business
Dimensions 5.91" x 2.95" x 0.84" (150 mm x 75 mm x 21.3 mm)
Weight 0.9 lb (410 g)
Security, Manageability & Warranty
Host Connection Thunderbolt™ 4 Cable with LED charging indicator (80 cm)
Power Supply 165 W power supply (up to 96W passthrough to PC with compatible devices)
Data Transfer Up to 40Gbps
Manageability For supported host devices: Surface Enterprise Management Mode for Dock, MAC address passthrough, firmware update through Windows Update and Surface app, Wake on LAN from Modern Standby
Compatibility Surface and other USB4®/Thunderbolt 4-compatible devices
Accessibility Tactile indicators for easily locating ports
Sustainability Dock and PSU enclosures (excluding AC cable) attributed to 20% ocean-bound plastic
In the Box Surface Thunderbolt 4 Dock for Business, 165W Power Supply
Warranty 1-year limited warranty
Questions & Answers

Microsoft Surface Thunderbolt 4 Dock for Business FAQ

What is the part number of the Microsoft Surface Thunderbolt 4 Dock for Business?

The manufacturer part number is T8I-00001. Use this part number when you request a quote so Tech365 prices this exact configuration.

What are the main specifications of the Microsoft Surface Thunderbolt 4 Dock for Business?

Ethernet: 1 Ethernet (2.5Gbit/s); Monitor Support: Up to two 4K monitors at 60Hz (requires device with USB4®/Thunderbolt 4 port); Security & Mounting: Security lock support (Kensington compatible); screw nut for desk mounts; compatible with Cable Matters Desk Mount for Surface Thunderbolt 4 Dock for Business; Dimensions: 5.91" x 2.95" x 0.84" (150 mm x 75 mm x 21.3 mm). The full list is in the specifications section on this page.

What ports and connections does the Microsoft Surface Thunderbolt 4 Dock for Business have?

The official specification lists: 1 front-facing USB-A (USB 3.1 Gen 2, 7.5W); 1 front-facing USB-C® (USB 4 Thunderbolt 4, video display enabled, 15W); 2 rear-facing USB-A (USB 3.1 Gen 2, 7.5W); 2 rear-facing USB-C® (USB 4 Thunderbolt 4, video display enabled, 15W); 3.5 mm audio jack.

What warranty comes with the Microsoft Surface Thunderbolt 4 Dock for Business?

1-year limited warranty.

How do I get business or volume pricing for the Microsoft Surface Thunderbolt 4 Dock for Business?

Tech365 quotes business pricing per order. Select Request Quote on this page, set the quantity you need and send the form; the Tech365 team replies with a quote for part number T8I-00001.

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