StarTech A40G2MB-TB4-CABLE Thunderbolt 4 Cable 2m 40Gbps with 100W PD

StarTech A40G2MB-TB4-CABLE Thunderbolt 4 cable for premium laptop docks, high-resolution monitors and business workstation deployments.

The StarTech A40G2MB-TB4-CABLE is a 2m active Thunderbolt 4 cable for teams that need a certified, high-performance cable between a compatible laptop, docking station, external storage device or UHD monitor. It is suited to Thunderbolt 4, Thunderbolt 3, USB4 and compatible USB-C setups where a generic USB-C charging cable is not enough.

Best for

• Premium business laptop refresh projects
• USB4 and Thunderbolt dock deployments
• Executive and performance workstations
• High-resolution monitor and UHD display setups
• Replacement or spare cables for compatible docks and devices

Key connectivity

• 2m active Thunderbolt 4 cable with USB-C connector format
• Supports Thunderbolt 4 data transfer up to 40Gbps where connected equipment supports it
• Supports USB Power Delivery up to 100W with compatible devices and chargers
• Supports DisplayPort 1.4a with DSC for up to 8K 60Hz or dual 4K 60Hz display use where supported by the connected host, dock and display
• Compatible with Thunderbolt 4, Thunderbolt 3, USB4 and USB-C devices within the limits of the connected equipment

Compatibility checklist

• Confirm the laptop, dock, monitor or device supports Thunderbolt 4, Thunderbolt 3, USB4 or the required USB-C capability.
• Confirm the required data rate, display resolution and power delivery requirement before ordering.
• Use this cable where the setup needs data, display and power capability, not only basic charging.
• Confirm the dock or monitor supports the required display mode before relying on 8K or dual 4K output.
• For team deployments, confirm device compatibility before ordering multiple units.

Compatibility guidance

Not sure whether this cable suits your laptop, dock, monitor setup or power requirements? Read our Laptop Dock Compatibility Guide before ordering.

Not all USB-C cables provide Thunderbolt, USB4, display and 100W charging support. Use this cable for compatible high-performance dock, display and device connections.

Business quote support

Product suitability, stock, pricing, freight, warranty and supplier terms must be confirmed before order acceptance. Quote support is available for multi-unit orders, education refreshes and managed laptop accessory shortlists.