Vszerda USB 4 Cable Thunderbolt 4 40Gbps 6.6ft 100W 5K@60Hz
A 6.6 ft USB cable carries 40 Gbps data, 100 W power and 5K 60 Hz video for Thunderbolt devices
- Connection typeLighting to USB C
- 40Gbps data transfer for fast file moves
- 100W Power Delivery charges laptops quickly
- Dual 5K@60Hz video drives two high-res displays
- Nylon braid rated for 15000 bends resists wear
- Works with Thunderbolt 3 and 4 devices
6.6 ft USB4 cable for Thunderbolt 4
This 6.6 ft cable carries Thunderbolt 4 traffic at up to 40 Gbps and delivers 100 W of power. It is aimed at professionals who connect external SSDs, eGPU enclosures or docking stations to a MacBook Pro, ThinkPad or similar USB-C host.
Thermals, noise and power draw
The cable runs cool and silent because it has no active components beyond the built-in Cypress 2103 chip. Power delivery reaches 20 V at 5 A for 100 W charging, so the host and peripheral negotiate their own thermal limits without cable heating.
Upgrade path and when it matters
Replaces any shorter or slower USB-C cable that caps at 10 Gbps or 60 W. The jump is worth it when you need dual 5K 60 Hz displays, 40 Gbps storage throughput or full 100 W charging over a 2 m run.
How it compares
Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.
- Price $22.99
- Pricier than about 83% of the 15,227 comparable items (median $14.99).
Specifications
| Ports & slots | |
|---|---|
| Connection type | Lighting to USB C |
Questions about this item
How do I connect the 6.6 ft USB 4 cable with its Lighting to USB C plugs, and what is the common mistake?
Plug the Lighting end into the host port and the USB C end into the device; the mistake is reversing them because the Lighting connector fits only the host side.
What part of the cable will wear out first and need replacement?
The reinforced joints and nylon braid are rated for 15000 bends; once the braid frays or the Cypress 2103 chip fails, the whole cable must be replaced.
At 40 Gbps and 100 W charging, which limit appears first during sustained use?
The 100 W power delivery at 20 V/5 A hits the thermal limit of the built-in E-Mark IC before the 40 Gbps data ceiling is reached.
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