Kramer ADC-U31C/M2 USB-C-multipoort-adapter – 4K HDMI, USB-A, USB-C PD, 17 cm, wit 99-97210004

The Kramer ADC-U31C/M2 stands out by combining three essential ports into one compact, 17cm adapter that connects directly to a USB-C host. Unlike basic video dongles, it simultaneously delivers 4K HDMI video, a USB-A data port, and USB-C power delivery pass-through, so you can charge your laptop while presenting on a projector or monitor.

Highlights

• Supports 4K UHD (3840 x 2160) at 60Hz via HDMI 2.0
• USB 3.1 Gen 1 data transfer up to 5 Gbps
• USB-C Power Delivery pass-through up to 100W
• HDCP 2.2 compliant for protected content
• Plug and play with Windows, macOS, Chrome OS, and Android

In daily use

Connect the adapter to your laptop's USB-C port and instantly gain an HDMI output for an external display, a USB-A port for a flash drive or keyboard, and a USB-C port for charging. The 17cm cable keeps the adapter close to your device, reducing strain on the port. The white ABS housing matches modern laptops and is durable for daily carry.

Full specifications

• Input: 1 x USB-C male (24-pin)
• Outputs: 1 x HDMI female, 1 x USB-A female, 1 x USB-C female
• Max video resolution: 4K UHD (3840 x 2160) @ 60Hz
• HDMI standard: HDMI 2.0
• USB data standard: USB 3.1 Gen 1 (5 Gbps)
• USB-C Power Delivery: Yes, pass-through up to 100W
• HDCP support: HDCP 2.2
• Audio support: Yes (via HDMI)
• DisplayPort Alt Mode: Required
• Cable length: 17 cm
• Color: White
• Housing material: ABS plastic
• Plug & Play: Yes
• Operating system compatibility: Windows, macOS, Chrome OS, Android

Final note

This adapter is ideal for professionals who need a reliable single-cable solution for presentations, desk setups, or travel, without sacrificing charging capability.