USB-C cable QOLTEC USB4 240W for Thunderbolt 3/4, 40 Gbps, 240 W power delivery

The QOLTEC USB4 USB-C cable 240W is designed to connect modern high-performance devices using a single reversible USB-C connector. It supports USB4 protocol and is compatible with Thunderbolt 3 and Thunderbolt 4 devices, enabling high-speed data transfer, video transmission and high-power charging through one cable. The cable is intended for use with laptops, docking stations, external storage and other peripherals that require high bandwidth and higher power delivery.

Advantages

This USB-C cable supports data transfer rates up to 40 Gbps while also carrying up to 240 W of power delivery, allowing simultaneous high-speed data and fast charging. Compatibility with Thunderbolt 3 and Thunderbolt 4 ensures broad interoperability with contemporary devices and accessories. The reversible USB-C connectors and single-cable design simplify connections between laptops, docks and high-performance peripherals.

Suitable for

Key specifications

How to use

Connect one end of the QOLTEC USB4 USB-C cable to the USB-C/Thunderbolt port on your host device (such as a laptop or dock) and the other end to the compatible peripheral (external drive, display, or power adapter). Ensure both connected devices support the required protocols and power profiles to make use of full data rate and power delivery capabilities. Use standard operating system tools or device firmware to configure displays, storage devices or charging preferences as needed.

Recommendations

For optimal performance, use the cable with devices that explicitly support USB4 or Thunderbolt 3/4 and power delivery up to 240 W. Avoid using adapters or low-quality hubs that may limit bandwidth or power. Inspect connectors for debris before connecting and follow device manufacturer guidelines for firmware and power settings.