What lengths does USB-C Gen2 Data Cable come in?

Build lengths are 0.3, 0.5, 1 and 2 m, right-angle option.

USB-C Gen2 Data Cable, 10 Gbps, with 100 W Power Delivery

Q: What is USB-C Gen2 Data Cable?

Most complaints about a USB-C lead come from the same root cause: a lead that charges but does not carry data at the rate the buyer expected. That happens when the assembly is wired for power only. The fix is boring but specific: all.

Last updated: 13 September 2026

Overview

Most complaints about a USB-C lead come from one root cause: it charges, but it does not carry data at the rate the buyer expected. That happens when the assembly is wired for power only. A USB-C Gen2 data cable built the way this one is has every position wired, an E-Marker where the power level requires one, and enough screening for the rate – three unglamorous decisions that decide whether the link works.

Key Specifications

Product type	USB-C Gen2 data cable
Data rate	Quoted 10 Gbps – to be confirmed
Power delivery	Quoted 20 V at 5 A, 100 W class – to be confirmed
Wiring	All positions wired, not power only
Marker	E-Marker fitted – to be confirmed
Display support	DisplayPort alternate mode quoted at 1.4 – to be confirmed
Lengths	0.3, 0.5, 1 and 2 m, right-angle option
Jacket	PVC or braided, set by the installation

What “Gen 2” means in USB-IF naming

The naming has been revised more than once, so the same plug is sold under several labels. The rows below are the industry definitions, given so you can match a host and a device to the right lead. They are not our own measured results.

Name in current USB-IF usage	Defined rate	Where you meet it
USB 3.2 Gen 1	5 Gbps	Peripherals, printers, basic hubs
USB 3.2 Gen 2	10 Gbps	External SSDs, docks, capture devices
USB 3.2 Gen 2×2	20 Gbps over two lanes	High rate storage, dual display docks
USB4	20 or 40 Gbps	eGPU enclosures and high refresh docks

Note that a Gen 2 link only runs at the lower of what the host, the device and the cable all support. A 10 Gbps drive on a 5 Gbps port runs at 5 Gbps, and no cable changes that.

What full wiring buys you

Data at the rate both ends support, not a fallback mode negotiated because the high-speed pairs are missing.
Display output over the alternate mode when the source supports it.
Power negotiation that follows the charger and the device rather than a fixed level.
A stable link on longer runs where a charge-only lead would drop and re-enumerate.

Power: 100 W, 20 V at 5 A, and why the E-Marker is there

USB Power Delivery 3.0 standard power range defines up to 100 W at 20 V and 5 A. Anything above the base 3 A current level requires the cable to identify itself, which is what the E-Marker chip does: without it, the source will not offer the higher current and the device charges slowly or not at all. The E-Marker and the 100 W figure on this page are quoted from competitor listings for the class and are listed as requiring supplier confirmation before they become our published specification.

When you must have a fully wired lead

Scenario	Requirement	What a charge-only lead does
External SSD or capture device	High-speed pairs present and screened	Device not seen at all, or seen and dropped
Wired phone link in a car	Data path, not just power	Session never starts
Display over USB-C	Alternate mode wiring and adequate screening	No picture
Dock with Ethernet and USB downstream	Full data, plus power delivery into the dock	Dock powers up, nothing on it works

Choosing a length

Shorter is better for signal margin, longer is better for reaching. For a dock sitting on the desk, 0.5 m is usually right. For a car, 0.3 m keeps the slack out of the way of the gear lever and 1 m reaches a phone on a windscreen mount. The 2 m option is there for a device on the floor or under a desk, and it is the length where you should start thinking about whether an active assembly is the better answer.

Figures from research, not from our datasheet

The 10 Gbps rate, the 20 V and 5 A power contract, the E-Marker, the DisplayPort alternate mode at 1.4 and the standard lengths are all drawn from public competitor data for this class. Each one is on the confirmation list against a supplier datasheet and our own electrical test. We do not imply any brand approval for this product; the descriptions are functional, and any protocol documentation we hold will be stated as such once the supplier files it.

Typical applications for this USB-C Gen2 data cable

Desk docks and external drives, alongside our USB-C PD charging cable where the run is power only
Capture devices and audio interfaces with our right angle USB-C cable where the port is against a wall
Car head units that need a data path, using our car USB-C data cable at the dashboard end
Panel and cabinet ports built as a dual port USB panel
Harsher installations stepped up to our IP68 industrial data cable

The rates and modes above are the industry definitions for USB 3.2, quoted so you can match host to device; your assembly is built and verified to the values on your order.

Workmanship and testing

Every build is assembled and inspected to IPC/WHMA-A-620 Class 3 workmanship under our ISO 9001 system. We terminate conductors from 32 to 12 AWG. Each unit is checked for continuity and pinout before packing, and where the build carries an ingress rating we can add seal checking on the production run.

Custom builds and ordering

Prototypes run from 5 pcs with a 3 working day turnaround; volume orders start at MOQ 500 pcs and ship 14 working days after sample sign-off. If the build needs tooling we do not already hold, add roughly 10 working days. OEM and ODM orders ship under your part number and labeling, and material certificates and first-article reports are available on request.