USB4 Thunderbolt 3 40Gbps Type-C Female to Female Coupler
USB4 Thunderbolt 3 40Gbps Type-C Female to Female Coupler
USB4 / Thunderbolt 3 Type-C Female-to-Female Coupler Adapter
Extend or join two USB-C cables in seconds with this ultra-compact USB4 / Thunderbolt 3 Type-C Female-to-Female Coupler Adapter. Rated at a blazing 40 Gbps data transfer speed and supporting up to 5A / 100W Power Delivery, it's built for professionals and everyday users who demand the fastest possible connection without sacrificing convenience.
Key Features
- 40 Gbps Bandwidth — USB4 / Thunderbolt 3 certified for the highest-speed data transfers available over USB-C.
- 8K & 4K Video Output — Pass through crystal-clear 8K or 4K video signals between two USB-C cables with zero quality loss.
- 100W Power Delivery (5A) — Supports super-fast charging for laptops, tablets, smartphones, and other USB-C powered devices.
- Bidirectional Design — Symmetrical Type-C Female to Type-C Female connector works in any orientation.
- CE Certified — Meets European safety and electromagnetic compatibility standards for your peace of mind.
- Compact & Portable — Pocket-sized form factor fits easily in a laptop bag, toolkit, or travel pouch.
- Universal Compatibility — Works with USB4, Thunderbolt 3, USB 3.2 Gen 2, and standard USB-C devices including MacBooks, iPads, Windows laptops, hubs, docks, and monitors.
Technical Specifications
| Connector A | USB-C Female (Type-C) |
| Connector B | USB-C Female (Type-C) |
| Data Transfer Speed | Up to 40 Gbps (USB4 / Thunderbolt 3) |
| Video Support | 8K & 4K |
| Power Delivery | 5A / 100W |
| Certification | CE |
| Amplifier | No (passive adapter) |
| Country of Origin | Made in China |
Who Is This For?
Whether you're a content creator daisy-chaining monitors, a remote worker connecting docking stations, or simply needing to extend a USB-C cable on the go, this coupler delivers a reliable, full-speed bridge with no compromise. Pair it with any high-quality USB-C cable for seamless 40 Gbps throughput.
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Frequently Asked Questions
Q: Is this USB4 Type-C coupler compatible with Thunderbolt 3 cables and devices?
A: Yes. This coupler is fully compatible with Thunderbolt 3 cables and devices, as well as USB4, USB 3.2 Gen 2, and standard USB-C connections. It passes through the full 40 Gbps signal when used with two compatible 40 Gbps-rated USB-C cables.
Q: Can I use this adapter for 8K video output?
A: Absolutely. The adapter supports 8K and 4K video passthrough, making it ideal for connecting high-resolution monitors and displays — provided your cables and devices also support those resolutions.
Q: Does this coupler support fast charging?
A: Yes. With 5A / 100W Power Delivery support, this coupler is capable of handling super-fast charging for laptops and other high-powered USB-C devices when used with appropriate PD-rated cables and chargers.
Q: Is this a passive or active adapter?
A: This is a passive (no amplifier) adapter, meaning it connects two USB-C cables directly without any signal boosting. For best results at 40 Gbps, use short, certified USB4 or Thunderbolt 3 cables on both ends.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.