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Black braided USB‑C to USB‑C cable, 6.6 ft, nylon‑woven finish, straight connectors

AUTYUE

AUTYUE USB4 cable 6.6 ft 40 Gbps 240W braided

SKU CH-84E6-J9R69

A 6.6 ft USB4 cable delivering 40 Gbps data, 240W charging and 8K video over USB‑C to USB‑C with braided durability

  • Rated speedUp to 40 Gbit/s
  • Connection typeUSB C to USB C
  • Cable length6.6 ft (2.01 m)
  • Connector count1
  • Connector details1 x USB C to 1 x USB C
  • Product typeUSB 4 Cable

Length 3.3ft. / 1M

  • Charges devices up to 240W with PD 3.0 fast charging
  • Transfers data at 40 Gbps for large files in seconds
  • Drives 8K displays at 60 Hz via DP Alt Mode
  • Withstands 20000 90-degree bends with braided nylon and strain relief
  • Built-in E-Mark chip protects against overcurrent, overheating and short circuits

USB4 cable for Thunderbolt and USB-C devices

This 6.6 ft USB4 cable connects USB-C laptops, docks, hubs and external drives that use Thunderbolt 3 or 4 ports. It carries data, video and power on a single braided run with an integrated E-Mark chip for PD 3.0 negotiation. The nylon sheath is rated for 20000 plus 90-degree bend cycles.

Practical limits of the USB4 interface

The cable delivers up to 40 Gbps data throughput and supports 8K video at 60 Hz only when both host and display implement DP Alt Mode over their USB-C ports. Maximum power delivery is 240 W at 48 V and 5 A, but actual charging speed depends on the attached adapter and device. It is a USB4 cable, not a Thunderbolt-certified cable, though it remains backward compatible with USB 3.2, 3.1 and 3.0.

Capacity and headroom for everyday workloads

The 40 Gbps bandwidth comfortably handles large file transfers, external SSD traffic and high-resolution video streams. The 240 W ceiling covers most modern laptops and docks, while the 22 AWG copper cores and built-in protections guard against overcurrent and overheating. Video output requires DP Alt Mode support on both ends; without it the link falls back to data and power only.

How it compares

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

Price $11.99
Cheaper than about 80% of the 15,227 comparable items (median $14.99).

Specifications

Product
Product typeUSB 4 Cable
Product colorBlack
Performance
Rated speedUp to 40 Gbit/s
Ports & slots
Connection typeUSB C to USB C
Thunderbolt 3 supportYes
Connector count1
Connector details1 x USB C to 1 x USB C
Size & build
Cable length6.6 ft (2.01 m)
Overall length0.5M/1M/2M

Other versions of this model

2 more in the same range

Questions about this item

Which cable length should I choose for my setup?

The 6.6 ft (2 m) option gives you extra reach for distant power outlets or monitor placement, while the shorter 3.3 ft (1 m) and 1.6 ft (0.5 m) versions suit desk-bound devices.

What does the 40 Gbps rating mean when I copy large files?

At up to 40 Gbps you can move multi-gigabyte video projects or game libraries in seconds, provided both host and storage support USB4 speeds.

How does the USB4 interface limit charging and video?

The cable carries USB4 at 40 Gbps, delivers up to 240 W (48 V / 5 A) with PD 3.0 adapters, and supports 8K @ 60 Hz video when both devices offer DP Alt Mode.

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