USB-C isn’t new — but its role in commercial AV system design is being fundamentally redefined.
Integrators have seen USB-C on laptops, tablets and docking stations for years. On many newer devices, it has already become the only physical connector available. What’s changing is not the connector itself, but where and how it’s being used within AV system design.
USB-C is moving beyond the desk and into the room — onto tables, lecterns and wall plates — becoming the point where users interact directly with the system.
One Cable, Multiple Roles
At its core, USB-C represents a convergence of functions that were historically separate. A single connection can carry:
- Video via DisplayPort Alt Mode
- High-speed USB data
- Device charging via USB Power Delivery
- Connectivity to peripherals and docking systems
What once required HDMI, USB and power cables can now be handled through a single connection. For integrators, that simplifies the user interface significantly.
In meeting rooms, classrooms and shared workspaces, a single USB-C connection enables users to plug in and immediately access displays, cameras, audio and peripherals — while charging their device at the same time. From the user’s perspective, that one cable effectively is the system.
The Impact of BYOD Environments
The rise of bring-your-own-device (BYOD) workflows is a major driver behind this shift. Rooms are no longer built around a fixed in-room PC. Instead, they must support a steady flow of user devices — laptops, tablets and mobile workstations — each with different requirements.
At the same time, manufacturers are standardizing on USB-C for both video output and power. USB-C-only devices are now common across corporate, higher education and healthcare environments.
Supporting that mix without cluttering tables with adapters or multiple cable types has made USB-C the most practical connection point. The result is a cleaner setup and a more consistent user experience — reducing meeting delays and lowering support calls.
The Distance Challenge
While USB-C simplifies the front end of the system design, it introduces new technical considerations— particularly around cable length. High-performance USB-C connections operate at very high data rates. Standards such as USB 3.2 and USB4 can reach 20Gbps or even 40Gbps, while also carrying video and power over the same cable.
Maintaining signal integrity at those speeds over distance is challenging. In practice:
- Passive USB-C cables: Typically support full performance over short distances — around 3 to 6 feet (1 to 2 meters).
- Active USB-C cables: Extend reach to roughly 16 to 33 feet (5 to 10 meters) using signal conditioning.
- Fiber USB-C solutions: Enable much longer runs — often 65 to 100 feet (20 to 30 meters) or more — while maintaining full bandwidth.
For integrators used to extending HDMI or category cable across rooms or between spaces, this requires a shift in approach. USB-C behaves more like high-performance data infrastructure than traditional AV cabling. Equipment placement, cable paths and specification choices need to be considered early in the design process.
Understanding Capability Differences
One of the most common issues seen in the field is confusion around what USB-C actually supports. USB-C defines the connector — not the performance. Two cables can look identical but support very different combinations of bandwidth, video capability and power delivery. This is a frequent source of problems in commercial AV deployments.
In environments where reliability matters, specifying “USB-C” alone isn’t enough. The cable must be matched to the application, with the right support for data rates, video standards and power delivery. Build quality also plays a critical role, particularly in high-use environments where cables are frequently handled or permanently installed.
USB-C and HDMI: Complementary Roles for System Design
The rise of USB-C often raises the question: will it replace HDMI? In practice, the two technologies serve different roles. HDMI remains the backbone of AV signal distribution, widely used across displays, projectors and switching platforms.
USB-C is reshaping the front end of the system — the point where users connect their devices. Once the signal enters the system, HDMI, HDBaseT or AV-over-IP typically take over for routing and distribution.
USB-C connects the user. HDMI distributes the signal.
A Shift in USB-C and System Design Thinking
As USB-C adoption continues to grow, it’s becoming more prominent at the edge of AV system design. The opportunity isn’t just to support another connector — it’s to rethink how users interact with AV systems. In modern environments, the system no longer starts at the rack — it starts at the cable the user touches. USB-C isn’t replacing AV infrastructure. It’s redefining how users access it.
This shift is already driving demand for USB-C solutions designed for commercial environments, where reliability, distance and consistency are critical. Integrators who understand both the capabilities and limitations of USB-C will be best positioned to deliver the seamless, user-centric experiences that today’s spaces demand.
Rick Thompson is U.S. business development manager at Lindy, working closely with integrators, consultants and end users across commercial AV environments.
