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USB C to USB C cable, 6.6FT length, braided finish

BUCIER

BUCIER USB4 Thunderbolt 4 cable 240W 40Gbps 8K 6.6FT

SKU CH-ECFA-KDFJ5

A USB-C cable delivering 240 W charging, 40 Gbps data and 8K 60 Hz video over 6.6 ft

Cable Length 6.6 Feet

  • Powers laptops up to 240 W via USB PD 3.1
  • Moves files at up to 40 Gbps with Thunderbolt 4 compatibility
  • Drives an 8K display at 60 Hz for sharp detail
  • Runs two 4K monitors at 60 Hz each for extra workspace
  • Reaches 6.6 ft for flexible desk setups

Cable specification and intended use

This BUCIER USB C to USB C cable supports USB4 and Thunderbolt 4 with up to 240 W power delivery under PD 3.1. It carries data at up to 40 Gbps and drives a single 8K display at 60 Hz or dual 4K displays at 60 Hz. The 6.6 ft length suits desk or dock connections for laptops such as MacBook M1 through M3 and Mac Studio.

Host and device requirements

Your computer and any connected monitor or dock must each provide a USB C port that supports USB4 or Thunderbolt 3 or 4 to reach the rated 40 Gbps data rate and 8K or dual 4K video modes. For 240 W charging both the power source and the receiving device need PD 3.1 capability at 48 V and 5 A. Actual transmission speed depends on the device and connection support.

Build integration and limitations

The cable replaces shorter or lower-rated links between a host and a high-resolution display or a high-power charger, freeing up port bandwidth for simultaneous data and video. It is backward compatible with USB 3.2, 3.1 and 3.0 devices, though at reduced speeds and power. Buyers who need longer runs or optical isolation for electrically noisy environments will need a different solution.

Highlights

  • Powers laptops up to 240 W via USB PD 3.1
  • Moves files at up to 40 Gbps with Thunderbolt 4 compatibility
  • Drives an 8K display at 60 Hz for sharp detail
  • Runs two 4K monitors at 60 Hz each for extra workspace
  • Reaches 6.6 ft for flexible desk setups

Specifications

No published specifications for this item yet.

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Questions about this item

What comes in the box and do I need to buy anything else to use the 240W charging?

The box contains the USB4 Thunderbolt 4 cable. To reach 240W (48V/5A) PD3.1 charging you also need a charger and a device that both support USB PD3.1 at that power level.

How do I choose between the listed video modes for my monitor setup?

The cable supports one 8K@60Hz display or two 4K@60Hz displays simultaneously. Pick the mode that matches your monitor’s maximum resolution and refresh rate.

What does the 40Gbps figure mean when I copy files between my MacBook M3 and an external SSD?

40Gbps is the cable’s peak USB4 bandwidth. Real-world throughput depends on the SSD, the MacBook’s controller and the file type, so actual copy speeds will be lower.

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