UGREEN 4K 144Hz Video Capture Card (UG701 / 35871)

Here is a closer look at UGREEN 4K 144Hz Video Capture Card (UG701 / 35871).

About

A budget-priced HDMI 2.1 entry via USB 3.2 Gen2 — reaches the coveted 4K@144Hz capture spec, but only by forcing the host computer to decode a heavy MJPEG stream.

HDMI version
2.1
Max resolution
3840x2160@144Hz
Requires DisplayLink driver
No

Ports: 1× HDMI 2.1 (entrada), 1× HDMI 2.1 (salida), 1× USB-C (10Gbps), 1× Audio 3.5mm mic in (2-pole) and 1× Audio 3.5mm headset out (3/4-pole)

Confirmed with

  • Xbox Series X|S
  • Notebook (generic)

    Reaching the advertised 4K144 capture spec depends entirely on forcing MJPEG encoding, which offloads heavy decompression to the host CPU — real-time performance depends on the receiving computer's decoding power. No native HDCP bypass; manual HDCP disable is required on PS4/PS5. When mic-in and headset-out ports are both occupied, the controller silently mutes any headset-mounted microphone in favor of the dedicated MIC IN jack.