USB-C 240W 40Gbps Keychain Cable – 8K@60Hz USB4 PD3.1
Ultra-Compact USB-C Keychain Cable – 240W | 40Gbps | 8K Video
Meet the most powerful tiny cable you'll ever carry. This USB4.0 Gen3 USB-C to USB-C Keychain Cable delivers full-function performance — blazing-fast 40Gbps data transfer, stunning 8K@60Hz video output, and up to 240W PD3.1 fast charging — all in a compact 13cm flexible form factor designed to clip right onto your keychain or bag.
Whether you're connecting a MacBook, laptop, tablet, or 8K display, this cable handles everything without compromise. The flexible TPE/TPU construction resists kinking and everyday wear, while the integrated buckle and keyring make it impossible to forget at home.
Key Features
- 240W Power Delivery (PD3.1): Rapid charging for laptops, tablets, and smartphones with supported chargers.
- 40Gbps Data Transfer (USB4.0 Gen3): Transfer large files in seconds — ideal for SSDs, NVMe drives, and high-bandwidth peripherals.
- 8K@60Hz Video Output: Full 7680×4320 resolution support for next-generation displays, TVs, and monitors.
- Thunderbolt 4 Compatible: Works with Thunderbolt 4 and USB4.0 certified devices.
- 5A Maximum Current: Safe, stable high-current charging with no overheating concerns.
- Keychain Design: Ultra-portable 13cm cable with integrated buckle and iron keyring — always on you when you need it.
- TPE/TPU Material: Flexible, durable, and tangle-resistant for everyday carry.
- Available in: Yellow, White, and Black.
Specifications
| Protocol | USB4.0 Gen3 / PD3.1 / Thunderbolt 4 |
| Max Power | 240W |
| Max Current | 5A |
| Data Speed | 40Gbps |
| Video | 8K @ 60Hz (7680×4320) |
| Length | 13cm (approx.) |
| Weight | 12g (cable + buckle + keyring) |
| Material | TPE / TPU |
| Colors | Yellow, White, Black |
| Country of Origin | Made in China |
Compatible With
MacBook Pro / Air, iPad Pro, Dell XPS, Surface Pro, Samsung Galaxy, Sony/LG 8K TVs, USB4 / Thunderbolt 4 hubs, external NVMe drives, and any USB-C device supporting the respective standards.
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Note: Due to manual measurement, cable length may vary by ±1–2cm. Slight color differences between product images and the actual item are normal due to display settings and photography lighting.
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Frequently Asked Questions
Q: Is this USB-C keychain cable compatible with MacBook Pro and MacBook Air?
A: Yes! This USB4.0 Gen3 USB-C cable is fully compatible with all MacBook Pro and MacBook Air models featuring a USB-C or Thunderbolt 4 port. It supports 240W charging, 40Gbps data transfer, and 8K video output when paired with a compatible hub or display.
Q: Can this cable charge a laptop at full 240W?
A: Yes, provided your charger and device both support USB PD3.1 at 240W and 5A. The cable is rated for up to 240W / 5A, delivering maximum fast-charging performance for supported laptops and devices.
Q: Does this cable support 8K display output directly?
A: This cable supports 8K@60Hz video transmission (7680×4320 resolution) when both the source device and the display or TV support USB4.0 / Thunderbolt 4 video output. A compatible USB-C hub or adapter may be required for some setups.
Q: What does the keychain design look like, and how portable is it?
A: The cable is just 13cm long and weighs only 12g including the buckle and iron keyring. It's designed to attach to your keychain, bag clip, or zipper pull so you always have a high-speed cable on hand — perfect for travel, work, and everyday carry.
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.