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Grey USB-C to USB-C cable, short 0.5 m length, woven sleeve, male connectors both ends

LUOM

LUOM USB4 240W 40Gbps Type-C Cable 0.5m Grey

SKU CH-J86S-Y1RQB

A .5 m USB-C cable delivering up to 240 W power, 40 Gbps data and 8K 60 Hz video with Thunderbolt 3 and 4 compatibility

  • Connector TypeUSB C to USB C
  • ColorGrey
  • Thunderbolt 3Yes
  • Terminal GenderMale to Male
  • Apple CompatibleUSB-C port

Cable Length 1.6 Feet

  • Delivers up to 240W power with PD 3.1 EPR support
  • Transfers data at up to 40Gbps via USB4 Gen3x2
  • Drives 8K video at 60Hz over Thunderbolt 3/4
  • Built with durable sleeved jacket for long cable life
  • Reversible USB-C male connectors enable bi-directional plug-and-play

What this cable does

This LUOM USB C to USB C cable carries up to 240W of power and 40Gbps of data between any two USB-C ports. It supports Thunderbolt 3 and Thunderbolt 4 hosts, 8K video at 60Hz, and the full range of PD 3.1 voltages up to 48V. The 0.5m length suits desktop docks, eGPU enclosures and high-power laptops that need a short, high-current link.

Installing and common issues

Plug the reversible male connectors into both devices and the link negotiates automatically; no driver or firmware step is required. The only frequent problem is using a charger or host that does not implement PD 3.1 Extended Power Range, which limits output to 100W or less. Ensure both ends and the power source support 240W EPR if you need the full rating.

Sustained-load behaviour

Under continuous 240W delivery the cable maintains the 48V/5A contract without thermal throttle, and real-world transfers hold near 2.8GB/s read and 2.1GB/s write rather than dropping to burst-only speeds. The sleeved jacket resists heat buildup during long render offloads or multi-hour eGPU gaming sessions, keeping signal integrity stable at the full 40Gbps rate.

Highlights

  • Delivers up to 240W power with PD 3.1 EPR support
  • Transfers data at up to 40Gbps via USB4 Gen3x2
  • Drives 8K video at 60Hz over Thunderbolt 3/4
  • Built with durable sleeved jacket for long cable life
  • Reversible USB-C male connectors enable bi-directional plug-and-play

Specifications

Connector TypeUSB C to USB C
ColorGrey
Thunderbolt 3Yes
Terminal GenderMale to Male
Apple CompatibleUSB-C port

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Questions about this item

How do I verify the cable is delivering 240W after connecting my charger and laptop?

Use a USB-C power meter inline; it should show up to 48V at 5A when both the charger and device support Extended Power Range.

What comes in the box and what must I supply separately?

The box contains the 0.5m USB-C to USB-C cable only; you need a 240W EPR PD 3.1 charger and a compatible device to reach maximum power.

Which version should I choose for 40Gbps data and 8K video?

This single 0.5m grey cable supports USB4 Gen 3x2 at 40Gbps, Thunderbolt 3 and 4, and 8K at 60Hz — no other variant is required.

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