40Gbps Active USB4 Cable, 4m

FireNEX™-uLINK-40G

USB4 Gen 3x2, 40Gbps, DisplayPort 2.0 and 60W PD

Featuring the latest USB4 40Gbps specification, Newnex's FireNEX™-uLINK-40G active cable provides users with maximum USB-C performance in a single cable using the most advanced repeater technology.

The first 4-meter (13.1 ft.) USB-C active cable that supports USB4 data transfer rates of up to 40Gbps. This cable also supports Thunderbolt 3 & 4, DisplayPort™ 2.0 for up to 16K resolution, and 60W USB Power Delivery — all over a single USB-C connection without requiring any external power supplies or drivers.

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USB4 40Gbps Active Cable Internal Repeater

Key Features

USB4 Gen 3x2 — 40 Gbps Over 4 Meters
Extends the maximum performance of a USB-C connection up to 4 meters (13.1 ft.) without signal degradation.
Thunderbolt 3 & 4 Compatible
Fully compatible with Thunderbolt 3 and Thunderbolt 4 hosts and devices at up to 40 Gbps.
DisplayPort 2.0 Support (Up to 16K)
Supports DP Alt Mode with both 4-Lane (+ USB 2.0) and 2-Lane (+ USB 3.2 Gen 2) modes with automatic switching. Max resolution 16K@60Hz.
60W USB Power Delivery (PD 3.0)
Delivers up to 20V / 3A in either direction — host to device or device to host — without requiring external power input.
Backward Compatible
Supports USB 3.2 Gen 2 (10 Gbps), USB 3.2 Gen 1 (5 Gbps), and USB 2.0 / 1.1 peripherals such as keyboards and mice.
No Driver Required
Plug-and-play on Windows, macOS, and Linux — no software installation needed.

Specifications

USB

USB4

USB4 Gen 3x2 up to 40Gbps

USB 3.2 Gen 2

USB 3.2 Gen 2x2 up to 20Gbps
USB 3.2 Gen 2x1 up to 10Gbps

USB 3.2 Gen 1

USB 3.2 Gen 1x1 up to 5Gbps
(AKA USB 3.1 Gen 1, USB 3.0)

USB 2.0 / 1.1

Up to 480Mbps

THUNDERBOLT

Thunderbolt 4

Compatible up to 40Gbps

Thunderbolt 3

Compatible up to 40Gbps

DISPLAY (4-Lane + USB 2.0/1.1)

DP v2.0

Up to 77.4Gbps — Max. 16K@60Hz, 8K@120Hz, 4K@144Hz

DP v1.4

Up to 25.92Gbps — Max. 8K@30Hz, 4K@120Hz

DP v1.2

Up to 17.28Gbps — Max. 4K@60Hz, 1080@120Hz

DISPLAY (2-Lane + USB 3.2 Gen 2)

DP v2.0

1x 8K@60Hz, or 2x 4K@60Hz, or 3x 1080@120Hz

DP v1.4

1x 4K@60Hz, or 2x 4K@30Hz, or 3x 1080@60Hz

DP v1.2

1x 4K@30Hz, or 2x 1080@60Hz, or 3x 1024@60Hz

POWER DELIVERY

USB Power Delivery

USB PD 3.0 (via bus, no external power input required)
From both host to device and device to host

Voltage Profile

20V, 15V, 9V, 5V

Current Profile

Up to 3A

MECHANICAL

Cable Diameter

4.8 ± 0.2 mm (0.19 in.)

Cable Jacket

PVC, Black

USB Connector

USB-C, Male, White

ENVIRONMENTAL

Operating Temperature

0 °C to 40 °C (32 °F to 104 °F)

Operating Humidity

20% to 80% relative humidity, non-condensing

EMC & COMPLIANCE

EMC

FCC (Class B), CE (Class B)

Environmental

RoHS

Flammability

VW-1

SUPPORT

Warranty

1-year Manufacture Warranty

Application Diagram

FAQ

Q: Does FireNEX™-uLINK-40G support DisplayPort Alt Mode (DP Alt Mode)?
A: Yes, FireNEX™-uLINK-40G supports DP Alt-Mode over USB-C.

Q: Does FireNEX™-uLINK-40G support 4-Lane DP or 2-Lane DP?
A: FireNEX™-uLINK-40G supports both 4-Lane and 2-Lane DP modes with automatic switching.

Q: Is FireNEX™-uLINK-40G compatible with Thunderbolt 3?
A: Yes, FireNEX™-uLINK-40G is compatible with Thunderbolt 3 hosts and devices.

Q: Is FireNEX™-uLINK-40G backward compatible with USB 2.0/1.1?
A: Yes, FireNEX™-uLINK-40G is fully compatible with USB 2.0/1.1 peripherals such as keyboards and mice.

Q: Does FireNEX™-uLINK-40G support Power Delivery from host to device or device to host?
A: FireNEX™-uLINK-40G supports USB PD for higher-voltage charging (20V, 15V, 9V, 5V) up to 3A in either direction. It automatically selects the charging direction to suit your setup.

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