Five-meter cable runs at USB 20 Gbps headline Infineon's new PCIe Gen4 x4 add-on card reference design, which targets industrial machine vision cells where USB3 Vision cables have historically stopped at roughly 3 m. The reference card pairs ASMedia's ASM4242 USB4 host controller with Infineon's EZ-PD CCG7 USB Power Delivery controller and debuts at VISION Stuttgart 2026.

Five meters is the metric that decides whether vision integrators qualify the kit into a working cell. USB4 Gen 2×2 cable assemblies now reach 5 m at 20 Gbps with re-timer electronics; passive cables at the 40 Gbps tier stay constrained to roughly 0.8 m.

That gap is exactly where factory-floor cameras mounted on gantries, robot arms, and ceiling rails have historically been pushed toward fiber conversion or shorter tethering backed by PoE over structured Cat6.

What does the kit do at the electrical layer?

The ASM4242 exposes a PCIe Gen4 x4 edge to the host — 7.88 GB/s of upstream bandwidth — and tunnels USB 3.2 traffic across the USB4 link layer. Infineon's EZ-PD CCG7 negotiates USB Power Delivery contracts on the Type-C configuration channel, so the same cable that streams uncompressed 4K image data also supplies bus power to vision heads, lighting controllers, or motorized focus units.

Negotiated PD voltages of 5 V, 9 V, 15 V, and 20 V cover most industrial sensor loads without a dedicated supply rail.

Why machine vision, specifically?

Industrial imaging has standardized on three bus families:

• Camera Link — legacy, 2.04 to 5.44 Gbps, limited reach
• CoaXPress 2.0 — 12.5 Gbps per channel, mature in semiconductor inspection
• USB3 Vision and GigE Vision — 5 Gbps and 1 Gbps respectively

USB3 Vision captured budget cameras once GigE bandwidth pinched, but its 3-m cable ceiling pushed system designers back to Cat6 structured wiring beyond a single workstation.

A 20 Gbps, 5-m USB4 link closes that gap for installations needing single-cable attach of camera, lighting, lens control, and trigger I/O.

What compliance questions does the launch raise?

USB-IF certification of the host-card assembly remains the gating step for compliance-grade deployments. The reference design must clear USB4 Gen 2×2 silicon certification, USB PD 3.x compliance, and CE/UL/IEC EMC and isolation testing before a panel builder adds it to a CE-marked bill of materials.

The vendors have not yet published shock, vibration, or ingress figures. Integrators should expect to qualify the platform against EN 61131-2 for PLC-adjacent cabinets and IEC 60068-2 for vibration on moving gantries.

What is the migration arithmetic for system houses?

For system houses the entry cost is a known PCIe Gen4 x4 slot in the host IPC plus the add-on card. Existing USB3 Vision deployments reach a migration crossroads: cameras with USB4-capable sensor heads become drop-in replacements; older 5 Gbps heads need a Gen 2×2 bridge or retirement.

Machine-vision software stacks built on the GenICam standard remain compatible because USB4 tunnels the underlying USB3 bulk-data channel without modifying the GenICam register map.

Will industrial integrators adopt USB Type-C on the panel?

The VISION Stuttgart debut places this reference design next to CoaXPress-over-fiber and 10 GigE Vision offerings, where cabling cost and connector density still favor copper. Whether panel builders accept USB Type-C — a connector previously confined to office IT — depends on USB-IF certification timelines and the first wave of hardened M12-to-Type-C adapter assemblies expected to follow.

Adoption ultimately hinges on whether first-tier machine-vision vendors commit to USB4 reference camera designs in time for their next refresh cycles.