AVerMedia Live Gamer ULTRA 2.1 (GC553G2)

Capture cards

Here is a closer look at AVerMedia Live Gamer ULTRA 2.1 (GC553G2).

About

AVerMedia's HDMI 2.1 flagship capture card — up to 4K@144Hz capture on Windows, with dedicated 4-pole jacks for chat/gamepad audio mixing without external splitters.

Specs

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

Ports: 1× HDMI 2.1 (entrada), 1× HDMI 2.1 (salida, passthrough), 1× USB-C (USB 3.2 Gen2, 10Gbps), 1× Audio 3.5mm 4-pole (headset in/out) and 1× Audio 3.5mm 4-pole (gamepad in/out)

Confirmed with

  • Confirmed
  • Confirmed
  • Notebook (generic)

    macOS is capped at 4K60 capture regardless of hardware — the full 4K144 capture rate is Windows-only. Requires mandatory day-one firmware updates: v1.0.5.5 to enable ultrawide (3440x1440p) support, and v1.2.85 to be recognized by Mac hosts at all.

    Source: shop-us.avermedia.com
    Confirmed — caveat
  • Steam Deck

    AVerMedia's own product selector tool explicitly lists the GC553G2 as compatible with Steam Deck.

    Source: www.avermedia.com
    Confirmed — caveat
  • ROG Ally

    AVerMedia's own product selector tool explicitly lists the GC553G2 as compatible with ROG Ally.

    Source: www.avermedia.com
    Confirmed — caveat
  • Legion Go

    Officially listed as compatible with Legion Go, but a Reddit user reports (per AVerMedia customer support) that 4K/60 with HDR is not available on the 2-port Legion Go setup.

    Source: www.reddit.com
    Confirmed — caveat

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