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Black USB-C to USB-C cable coiled on white surface

SMUGDESK

SMUGDESK USB4 usb cable 5FT 40 Gbps 240W

SKU CH-CA6P-CEPMQ MPN USB4

USB4 cable delivers 40 Gbps data, 240 W charging and single 8K or dual 4K@60 Hz video over 5 ft

Cable Length 5 Feet

Model USB4

  • Transfers large files fast with 40 Gbps USB 4.0 speed
  • Charges high-power gear at 240 W via PD 3.1 48 V / 5 A
  • Drives one 8K 60 Hz or dual 4K 60 Hz displays
  • Works with Thunderbolt 3 and 4 plus USB 3.2, 3.1, 2.0 devices
  • Built-in safety resistor keeps current stable at 5 A

Cable capability summary

This USB4 cable delivers 40 Gbps data transfer, 240 W power delivery and support for one 8K or two 4K displays at 60 Hz. It works with Thunderbolt 3 and 4 hosts and remains backward compatible with earlier USB standards down to USB 2.0. The five-foot length suits desktop and dock connections. Built-in safety resistors keep current stable at 5 A.

Who this suits and who it does not

Creators moving large media files between high-speed storage and Thunderbolt or USB4 laptops will benefit from the full bandwidth. Users charging power-hungry laptops, docking stations or industrial gear at up to 48 V and 5 A gain the extended power range. Buyers whose devices only support lower USB speeds or lack DisplayPort Alt Mode will not see the video or speed advantages.

Deciding specification

The single figure that determines fit is the 40 Gbps USB4 data rate combined with 240 W PD 3.1 charging; if your host and peripheral both support this tier, the cable unlocks maximum throughput and power, otherwise performance falls back to the lowest common standard.

Highlights

  • Transfers large files fast with 40 Gbps USB 4.0 speed
  • Charges high-power gear at 240 W via PD 3.1 48 V / 5 A
  • Drives one 8K 60 Hz or dual 4K 60 Hz displays
  • Works with Thunderbolt 3 and 4 plus USB 3.2, 3.1, 2.0 devices
  • Built-in safety resistor keeps current stable at 5 A

Specifications

No published specifications for this item yet.

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Questions about this item

What does the 40 Gbps rating mean when I plug this cable into my laptop and SSD?

The cable supports USB 4.0 at 40 Gbps and is backward compatible with Thunderbolt 4, Thunderbolt 3, USB 3.2, 3.1, 3.0 and 2.0. Real-world transfer rates reach up to 2500 MB/s, provided both host and device also support the 40 Gbps speed.

Which charging standard does the 240 W figure rely on, and what voltage does it deliver?

The 240 W rating uses USB PD 3.1 Extended Power Range at up to 48 V and 5 A. It is compatible with PD 3.0 and PD 2.0, so it will negotiate lower voltages for devices that do not support the higher range.

What display resolutions can this cable drive over a single USB-C connection?

It can drive one display at 8K 7680 x 4320 @ 60 Hz or 5K @ 60 Hz, or two displays at 4K @ 60 Hz simultaneously. The host USB-C port must support DisplayPort Alternate Mode for video output to work.

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