AVerMedia Live Streamer CAP 4K (BU113)

Capture cards

Here is a closer look at AVerMedia Live Streamer CAP 4K (BU113).

About

A driverless UVC dongle marketed for turning a DSLR or console into a webcam — no HDMI passthrough, and its own datasheet demands genuine USB 3.1 (10Gbps), rejecting plain 5Gbps cables outright.

Specs

HDMI version
2.0
Max resolution
3840x2160@30Hz
Requires DisplayLink driver
No

Ports: 1× HDMI 2.0 (entrada) and 1× USB 3.0 Type-C (Gen1)

Confirmed with

  • Notebook (generic)

    Explicitly does not support USB 2.0 fallback — a documented firmware bug initially failed to process PAL 25fps signals (later patched). On Apple Silicon (M1 Max reports), third-party software like OBS defaults to a locked 1080p unless AVerMedia's own CamEngine utility is run first, undermining the "driverless" claim in practice.

    Source: www.reddit.com
    Confirmed — caveat
  • Steam Deck

    Does not work in Gaming Mode — an official ValveSoftware/SteamOS GitHub issue documents the Steam Deck's screen going black when the BU113 is connected, with mpv showing a black window and reporting "No Video."

    Source: github.com
    Confirmed — caveat
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