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Grey USB-C to USB-C cable, male connectors, 40 Gbps, 240W charging

LUOM

LUOM USB4 Cable 40 Gbps 240W 8K@60Hz USB C to USB C Grey

SKU CH-YCKR-7P82B

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

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

Cable Length 4 Feet

  • Charges devices up to 240W with compatible power sources
  • Transfers data at up to 40 Gbps with supported hardware
  • Drives a single 8K display at 60 Hz or dual 4K monitors
  • Works with Thunderbolt 4 and earlier Thunderbolt 3 devices
  • Grey USB C to USB C cable built for broad device compatibility

USB4 cable for 40 Gbps data and 240 W charging

This USB-C to USB-C cable carries up to 40 Gbps of data and delivers up to 240 W of power for compatible laptops, tablets and phones. It supports Thunderbolt 3 and Thunderbolt 4 hosts and is backwards compatible with earlier USB standards. The 1.2 metre length suits desktop and portable setups alike.

Thermals noise and power draw in normal use

The cable is passive and produces no noise or measurable heat during operation. It handles up to 48 V at 5 A without active cooling, so connected devices manage their own thermal limits. Power delivery scales automatically to the maximum the host and charger negotiate.

Build quality and daily connector implications

Male-to-male USB-C plugs on both ends lock securely and resist accidental disconnection. The grey jacket is flexible enough for frequent coiling yet tough enough for daily bag carry. Dual 4 K or single 8 K at 60 Hz video requires a host that supports those modes; two cables are needed for two external displays.

Highlights

  • Charges devices up to 240W with compatible power sources
  • Transfers data at up to 40 Gbps with supported hardware
  • Drives a single 8K display at 60 Hz or dual 4K monitors
  • Works with Thunderbolt 4 and earlier Thunderbolt 3 devices
  • Grey USB C to USB C cable built for broad device compatibility

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 connect this cable to get 240W charging and 40Gbps data?

Plug the USB-C male connectors into a host and device that both support USB4 or Thunderbolt 4 at 48V/5A and 40Gbps; the cable itself is passive and requires no driver install.

What wears out first on a 240W 40Gbps USB-C cable?

The USB-C connector springs and internal E-marker chip degrade after thousands of insertions or sustained 48V/5A heating cycles, so replace the cable if charging drops below negotiated wattage or 40Gbps link fails.

What limits 40Gbps throughput during long transfers?

Thermal throttling in the host or device controller cuts sustained write speeds to about 2.1GB/s and read to 2.8GB/s once the cable or port hits its temperature ceiling.

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