JUCX27L12 USB4® 40Gbps Full-Featured USB-C® Coaxial Cable

With a double-braided polyester cover for high durability
Model: JUCX27L12

A USB4® 40Gbps Full-Featured USB-C® Coaxial Cable that features a USB-C® connector and USB PD 3.0 E-Marker. The cable supports Power Delivery and data transfer between smartphones, tablets, and computers. It has a fast maximum data transmission rate of 40 Gbps and a power delivery charging capacity of 100W. When connected to a device that enables video output, such as Thunderbolt® 4 docking station, the cable can also support up to one 8K monitor and two 4K dual displays. With a double-braided polyester cover, the exterior is abrasion-resistant, which reduces fraying and prolongs the lifespan of the cable.


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One Cable for All

Extremely high data transfer rate of up to 40Gbps, PD 100W charging, and 8K@60Hz video output are supported

Vivid Visual Experience

Supports up to 8K displays for astounding visuals

Next Generation Speeds

Transfer data at high speeds of up to 40Gbps, allowing you to transfer large files such as movies and images in seconds

100W Ultra-Fast PD Charging

Provides up to 100W of power delivery charging, you can refuel your laptop, tablet, smartphone, or USB-C® device. Takes less than 2 hours for a full charge on a MacBook Pro®

Built-in USB™ PD 3.0 E-Marker(USB4®)

PD 3.0 E-Marker (USB4®) chip ensures safe and stable 100W fast charging

Tough Braided Cable

Ultra-strong and highly durable, ensures heat resistance and structural integrity while maintaining flexibility

Supports Thunderbolt™ 4 Daisy-Chain Connection

Fully compatible with Thunderbolt™ 4 and 3. Supports daisy chaining, including an external graphics card, hard drive, and display

Durability Test Bend 30,000 times

Reliably bend the cable without causing a break in the connection

Universal Compatibility

Compatible with Thunderbolt™ 4/3 devices and backward compatible with USB™ 3.2, 3.1, 3.0, and 2.0

Experience Similar Performance At A Lower Price

    • Up to 40Gbps data transfer speed lets you transfer large files in seconds
    • Supports up to 100W charging for all USB-C® devices, including phones, tablets, and laptops 
    • Supports fast charging on compatible devices 
    • Built-in PD 3.0 E-Marker (USB4®) chip ensures safe and stable 100W fast charging 
    • Support 8K@60Hz video display 
    • Backward compatible with USB™ 3.2, 3.1, 3.0, 2.0 and Thunderbolt™ 3, Thunderbolt™ 4 devices 
    • Supports Thunderbolt™ 4 for connecting Thunderbolt™ devices 
    • The USB-C® connector is protected by a metal casing and dual-layer molding to prevent damage from bending and twisting  
    • A double-braided coaxial cable that can resist electromagnetic interference and damage from outside
    cable jacket type
    cable shield type
    connector a
    USB-C® male connector
    connector b
    USB-C® male connector
    1 Year Limited
    audio channel
    displays supported


    max current
    100W (20V/5A)
    max data transfer rate


    max display resolution

    7680 x 4320

    max refresh rate
    60 Hz @ 3840 x 2160 60 Hz @ 7860 x 4320
    wide screen supported
    Mouse Specifications
    Physical Specifications
    cable length
    3.9 ft. (120 cm)
    connector type
    enclosure type
    operating humidity
    < 85% non-condensing
    operating temperature
    32 to 98°F (0 to 37°C)
    product depth
    0.3 in. (7.6 mm)
    product height
    1.16 in. (29.5 mm)
    product weight
    2.03 oz (57.5 g)
    product width
    0.53 in. (13.45 mm)
    storage humidity
    < 85% non-condensing
    storage temperature
    14 to 140°F (-10 to 65°C)
    Wireless Protocols
    Package Contents
    • 1 - USB4® 40Gbps Full-Featured USB-C® Coaxial Cable
    System Requirements
    • USB-C® devices that supports DisplayPort™ Alt Mode 
    • USB-C® devices that supports Power Delivery 
    • Computers or tablets that support USB4® or Thunderbolt® 4 are recommended for full functionality 
    Special Notes
    • The actual data transfer speed depends on host and connected device support
    • USB-C® device must support DisplayPort™ Alt Mode for video output
    • USB-C® devices must support Power Delivery to charge
    • Charging speed may vary depending on device’s power requirements and the wall charger