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Nylon-braided USB-C cable with metal connectors, 3.3ft length

SMUGDESK

SMUGDESK USB 4.0 Gen 3 Cable 40Gbps 240W 3.3ft

SKU CH-58F8-6PYNM

USB 4.0 Gen 3 cable delivers 40Gbps data transfer, 240W charging and 8K@60Hz or dual 4K@60Hz video over 3.3ft

Cable Length 3.3 Feet

  • 40 Gbps transfer moves 2.5 GB in one second
  • 240 W PD 3.1 charging powers laptops in 35 minutes
  • 8K 60 Hz or dual 4K 60 Hz video from one cable
  • E-Marker chip regulates voltage and protects the battery
  • Backward compatible with Thunderbolt 3, USB 3.2, 3.1, 2.0

Purpose and audience

This USB 4.0 Gen 3 cable delivers 40 Gbps data transfer and 240 W power delivery for professionals who connect Thunderbolt 3 or 4 hosts, docks and high-speed storage. It serves creators and engineers who need a single link for 8K video, rapid file moves and full-rate laptop charging.

Sustained-load behaviour

The integrated E-Marker chip negotiates PD 3.1 contracts up to 48 V 5 A and regulates voltage continuously, so a MacBook Pro reaches 86 % charge in 35 minutes while the link maintains 40 Gbps throughput. Backward compatibility with USB 3.2, 3.1 and 2.0 ensures stable operation when older peripherals share the same port.

Deciding specification

The cable supports one 8K 60 Hz or dual 4K 60 Hz displays only when the host USB-C port implements DisplayPort Alternate Mode; without Alt Mode the video capability is not available.

Highlights

  • 40 Gbps transfer moves 2.5 GB in one second
  • 240 W PD 3.1 charging powers laptops in 35 minutes
  • 8K 60 Hz or dual 4K 60 Hz video from one cable
  • E-Marker chip regulates voltage and protects the battery
  • Backward compatible with Thunderbolt 3, USB 3.2, 3.1, 2.0

Specifications

No published specifications for this item yet.

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Questions about this item

How hot does the SMUGDESK USB 4.0 Gen 3 cable get when running 240W charging all day?

The cable uses an E-Marker chip to regulate 48V 5A power delivery and protect the battery during 240W charging sessions.

What must my laptop port support to get 8K@60Hz video from this 3.3ft cable?

Your USB-C port must support DisplayPort Alternate Mode for the cable to drive an 8K@60Hz or dual 4K@60Hz display.

Will this 40Gbps cable work with my older Thunderbolt 3 dock and USB 3.2 devices?

Yes, it is backward compatible with Thunderbolt 3, USB 3.2, 3.1 and 2.0 speeds and devices.

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