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A 3.3ft USB4 cable with USB-C connectors on both ends, black braided finish

SMUGDESK

SMUGDESK USB4 usb cable 3.3ft 240W 40Gbps 8K@60Hz

SKU CH-FT26-6C62T MPN USB4

A 3.3 ft USB-C cable delivering 240 W charging, 40 Gbps data transfer and 8K@60 Hz video with Thunderbolt compatibility

Cable Length 3.3 Feet

Model USB4

  • Charges devices up to 240W via PD 3.1
  • Transfers data at 40Gbps USB 4.0 speed
  • Drives single 8K display at 60Hz
  • Backwards compatible with Thunderbolt 3 and USB 3.2
  • Built-in safety resistor limits current to 5A

What this cable does and who needs it

This USB4 cable carries 240 W of power, 40 Gbps of data and 8K video at 60 Hz over a 3.3 ft USB‑C to USB‑C link. It suits owners of MacBook Pro, Steam Deck, Switch, eGPU enclosures or high‑power laptops who want a single cord for charging, fast SSD transfers and external displays. Buyers who need longer reach or legacy USB‑A connectors will not be served by this model.

Installation and common pitfalls

Plug the cable into any USB‑C port that supports USB 4.0, Thunderbolt 4, Thunderbolt 3, USB 3.2, 3.1, 3.0 or 2.0; the built‑in safety resistor keeps current stable at 5 A. The cable is backward compatible, but 40 Gbps throughput and 240 W charging only appear when both host and device support USB 4.0 and PD 3.1 respectively. Using a port limited to 3.0 or 2.0 will drop speed and power to that port’s ceiling.

Sustained-load behaviour

Under continuous use the cable maintains 48 V / 5 A delivery without current disturbance thanks to the integrated resistor, keeping attached SSDs, power tools or industrial supplies running at full rate. Data streams hold at up to 2 500 MB/s while driving a single 7 680 × 4 320 @ 60 Hz panel or dual 4K @ 60 Hz outputs, provided the source and sink both sustain the required bandwidth.

Highlights

  • Charges devices up to 240W via PD 3.1
  • Transfers data at 40Gbps USB 4.0 speed
  • Drives single 8K display at 60Hz
  • Backwards compatible with Thunderbolt 3 and USB 3.2
  • Built-in safety resistor limits current to 5A

Specifications

No published specifications for this item yet.

Other versions of this model

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Questions about this item

How can I verify the cable is delivering 240W charging after setup?

Use a USB-C power meter that reads PD 3.1 profiles; it should show up to 48V at 5A when the connected device negotiates the 240W Extended Power Range.

What is included in the box and what must I purchase separately?

The box contains the 3.3ft USB4 cable only; any power adapter, dock, or monitor cable needed for your specific device is sold separately.

Which version should I choose for 8K 60Hz video on a single display?

This single USB4 cable supports up to 7680×4320 at 60Hz; dual 4K output requires two cables, so one unit is sufficient for a single 8K monitor.

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