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A 3.3ft USB-C cable with straight connectors and a braided jacket

SMUGDESK

SMUGDESK 40Gbps USB4 Cable 240W 8K 3.3ft

SKU CH-WMP7-X5KDK

A 3.3 ft USB cable delivers 40 Gbps data transfer, 8K video output and up to 240 W charging for USB-C devices

Cable Length 3.3 Feet

  • Charges up to 240W with PD 3.1
  • Transfers data at 40Gbps USB4 speed
  • Drives single 8K@60Hz or dual 4K@60Hz displays
  • Works with Thunderbolt 3 and 4 hosts
  • 3ft length suits desk and travel setups

One cable for charging and video

The SMUGDESK USB4 cable carries up to 240W of power and 40Gbps of bandwidth in a 3.3ft length. It supports 8K at 60Hz or dual 4K at 60Hz video output. The cable works with USB4, Thunderbolt 3 and 4, and all USB-C devices.

Plug in and go

Both ends are USB-C so the cable fits any USB-C port without adapters. Data speed depends on the host port: Gen 2 ports deliver up to 20Gbps, while Gen 3 ports reach the full 40Gbps. Charging reaches 240W only when the charger and device both support PD 3.1 at 48V 5A.

Check your charger and ports

Verify that your power adapter supplies the wattage you need — common bricks are 18W, 65W, 100W, 120W, 140W or 170W. Confirm the host port is USB4 or Thunderbolt 3 or 4 for maximum bandwidth. Ensure the display accepts 8K 60Hz or 4K 60Hz over USB-C before ordering.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $15.99
Pricier than about 55% of the 15,227 comparable items (median $14.99).

Specifications

No published specifications for this item yet.

Other versions of this model

5 more in the same range

Questions about this item

How can I verify the cable is delivering 40Gbps after connecting my eGPU?

Check the host port specification — Gen3 ports provide up to 40Gbps bandwidth while Gen2 ports are limited to 20Gbps.

What comes in the package and do I need a separate power adapter for 240W charging?

The box contains the 3.3ft USB4 cable only; a USB-C power adapter rated up to 240W (48V/5A) must be purchased separately.

Which cable length should I choose for a dual 4K@60Hz monitor setup?

The 3.3ft length supports the full 40Gbps bandwidth required for dual 4K@60Hz video output.

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