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One-metre Thunderbolt cable with USB-C connectors on both ends

STARTECH

STARTECH TBLT4MM1M 1m Thunderbolt 4 lightning cable 40Gbps 100W PD

SKU CH-Z81E-VJJ60 MPN TBLT4MM1M

A 1 metre Thunderbolt cable carrying 40 Gbps data, 100 W charging and 8K 60 Hz video

  • 40 Gbps bandwidth moves large files four times faster than 10 Gbps USB 3.2 Gen 2
  • Up to 100 W Power Delivery charges laptops and powers displays through a single cable
  • Full 8K 60 Hz video and DisplayPort 1.4a support for high-resolution monitors
  • Works with all USB-C devices for charging, syncing and connecting peripherals
  • Thunderbolt networking links two computers for fast peer-to-peer transfers

What it is and who it's for

This 1 metre Thunderbolt 4 cable carries 40 Gbps data, up to 100 W of Power Delivery and full 8K 60 Hz video over USB-C connectors. It suits professionals moving large media files between Thunderbolt 4, Thunderbolt 3 or USB4 hosts and peripherals such as docks, drives or displays.

How it fits a build

The cable replaces separate video, data and charging leads by combining all three in a single USB-C link. It connects a laptop or desktop to a Thunderbolt dock, portable SSD or monitor while simultaneously supplying up to 100 W for host charging and 15 W for bus-powered devices. No external power brick is required for the cable itself.

Capacity and headroom

At 40 Gbps the link moves photo and video libraries four times faster than 10 Gbps USB 3.2 Gen 2 connections. The 100 W ceiling covers most thin-and-light laptops and many mobile workstations, while 15 W bus power handles typical portable enclosures. Builds needing more than 100 W host charging or longer cable runs will require a different solution.

Highlights

  • 40 Gbps bandwidth moves large files four times faster than 10 Gbps USB 3.2 Gen 2
  • Up to 100 W Power Delivery charges laptops and powers displays through a single cable
  • Full 8K 60 Hz video and DisplayPort 1.4a support for high-resolution monitors
  • Works with all USB-C devices for charging, syncing and connecting peripherals
  • Thunderbolt networking links two computers for fast peer-to-peer transfers

Specifications

No published specifications for this item yet.

Questions about this item

Does the 40 Gbps Thunderbolt 4 speed hold up during long file transfers?

The cable is rated for 40 Gbps with Thunderbolt 4, Thunderbolt 3, and USB4 devices. Sustained throughput depends on the host and device controllers, not the cable itself.

Will the connectors get hot or draw extra power when I run 100 W charging all day?

The cable delivers up to 100 W Power Delivery and 15 W for bus-powered devices. It carries the negotiated power without active electronics, so heat is limited to normal resistive loss.

My laptop only has USB-C ports — will this cable still work for video and data?

Yes. The cable is compatible with all USB Type-C devices for charging, syncing, and DisplayPort 1.4a video up to 8K 60 Hz.

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