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Black coiled USB-C cable with angled male connectors, spring spiral design, 3.9ft extended length

BUCIER

BUCIER BYC USB 4.0 Type C Coiled Cable 3.9ft 40Gbps 240W 8K@60Hz Thunderbolt 4/3 Male-to-Male Black

SKU CH-HT70-P8W6Z

A coiled USB 4.0 Type C cable delivering 40Gbps data, 240W charging and 8K@60Hz video over 3.9ft with Thunderbolt 4/3 support

  • Rated speed40 Gbit/s
  • Connection typeUSB Type C
  • Connector count48
  • Connector detailsUSB Type C
  • Connector genderMale-to-Male
  • Apple compatibilitySmartphone
  • Transfers files at 40 Gbps for rapid workflow
  • Delivers up to 240 W power for fast charging
  • Drives 8K displays at 60 Hz for sharp visuals
  • Works with Thunderbolt 4 and 3 devices
  • Coiled 3.9 ft design keeps the desk tidy

Coiled USB 4.0 Type-C Cable 3.9 ft

The BUCIER BYC is a coiled USB 4.0 Type-C cable built for users who want high-speed data, power and video in a tidy spring-form factor. It suits laptop owners, creative professionals and anyone connecting a Thunderbolt 4 or 3 dock, monitor or storage drive without cable clutter.

Bidirectional 40 Gbps with 240 W Power Delivery

The cable carries a maximum 40 Gbps transfer rate and supports up to 240 W (48 V 5 A) Power Delivery for fast charging of laptops, consoles and power banks. It also drives 8K video at 60 Hz or dual 4K displays when the host allows, and is backward compatible with USB 3.2, 3.1 and 3.0 devices.

Male-to-Male angled connector fits tight ports

Both ends use a male USB-C plug with an up-down angled housing that eases insertion beside other cables or in shallow ports. The coiled construction extends to 3.9 ft when stretched and retracts to keep desks clear. No drivers are required; plug in and the link negotiates the highest speed and power the connected hardware supports.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $20.99
Pricier than about 80% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameKework
Model nameBYC
Product typeUSB
Product colorBlack
Performance
Rated speed40 Gbit/s
Ports & slots
Connection typeUSB Type C
Connector count48
Connector detailsUSB Type C
Connector genderMale-to-Male
Size & build
Build detailsCopper
Compatibility
Apple compatibilitySmartphone

Questions about this item

What does the 40Gbps rating mean when I plug this cable into a real machine?

The cable supports up to 40Gbps bidirectional data transfer, with actual read speeds up to 2.8GB/s and write speeds up to 2.1GB/s when used with Thunderbolt 4 or 3 devices.

Which interface standard does the USB 4.0 connection use, and what does it limit in practice?

The cable uses USB 4.0 Type C with Thunderbolt 4/3 protocol support, capping data at 40Gbps, power delivery at 240W, and video at 8K resolution with 60Hz refresh rate.

What physical space does the coiled 3.9ft design need to fit on my desk?

The spring spiral cord extends to 3.9ft and retracts to a compact coil, reducing desktop clutter while reaching devices across a typical workspace.

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