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A black USB-C extension cable with male connectors on both ends, two metres long

Manw

Manw USB4 Thunderbolt 4 Extension Cable 240W 8K 2M 6.6ft 40Gbps

SKU CH-RRF3-AFQAT

Extends USB-C connections up to 6.6 ft while carrying 40 Gbps data, 240 W charging and 8K 60 Hz or 4K 144 Hz video

  • 8K video at 60 Hz or 4K at 144 Hz via DP Alternate Mode
  • Up to 40 Gbps data transfer between compatible USB-C devices
  • 240 W power delivery at 48 V 5 A with PD 3.1
  • 2 metre length for flexible desk or rack setups
  • Works with Thunderbolt 4 hosts and USB-C laptops supporting DP Alt Mode

8K 40 Gbps USB4 Extension Cable

This two-metre cable extends a USB-C connection while preserving the full USB4 bandwidth of 40 Gbps. It carries 8K video at 60 Hz or 4K at 144 Hz when the host and display both support DisplayPort Alternate Mode. The male-to-male layout suits laptops, tablets and docks that need extra reach without signal loss.

240 W Power Delivery 3.1 Build

The cable is rated for up to 240 W at 48 V and 5 A under Power Delivery 3.1 and Quick Charge 4.0, so it can charge high-power laptops while transmitting data. Both ends use standard USB-C connectors, making it compatible with recent MacBook Pro models, Dell XPS, Google Pixel and Chromebook devices that implement DP Alternate Mode. No proprietary plugs or adapters are required.

Passive Thermals and Low Noise

As a passive copper assembly the cable generates no fan noise and adds negligible heat to the system. Power draw is limited to the connected devices, with the cable itself handling up to 240 W without active cooling. The six-point-six-foot length stays within the USB4 passive specification, so normal desktop use remains thermally quiet.

Highlights

  • 8K video at 60 Hz or 4K at 144 Hz via DP Alternate Mode
  • Up to 40 Gbps data transfer between compatible USB-C devices
  • 240 W power delivery at 48 V 5 A with PD 3.1
  • 2 metre length for flexible desk or rack setups
  • Works with Thunderbolt 4 hosts and USB-C laptops supporting DP Alt Mode

Specifications

BrandManw

Questions about this item

What data rate does the USB4 Thunderbolt 4 extension cable support, and what limits the actual speed?

The cable is rated for 40Gbps, but real-world throughput depends on whether the connected USB-C device also supports 40Gbps.

What physical connectors and length does the 2M 6.6ft cable use for mounting?

It has male-to-male USB-C connectors and is 2 metres (6.6 feet) long.

How do you install the cable for 8K@60Hz video, and what step is often missed?

Plug it into a USB-C port that supports DP Alternate Mode on both the host and the monitor; the port must explicitly support video output.

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