NZXT Signal 4K30 (ST-SESC1-WW)

Capture cards

This is what matters about NZXT Signal 4K30 (ST-SESC1-WW).

About

The 4K-capable step-up from the Signal HD60 — captures true 4K30 with HDR10 passthrough, converting HDR to SDR internally in hardware so generic streaming software doesn't choke on it.

Specs

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

Ports: 1× HDMI (entrada), 1× HDMI (salida, hasta 4K60, 1440p144 HDR, 1080p240 HDR) and 1× USB-C (USB 3.2 Gen1)

Confirmed with

  • Notebook (generic)

    Recording is irrevocably capped at 4K30 — reaching 60fps requires dropping to 1080p. HDR10 passthrough content is forcibly converted to SDR during the hardware capture stage, so the recorded/streamed file never carries HDR metadata even though the source did.

    Source: cdn-g.nzxt.com
    Confirmed — caveat
  • Steam Deck

    A YouTube video confirms Steam Deck gameplay recorded with no FPS loss using the NZXT Signal 4K30 in OBS Studio.

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

    A YouTube video confirms ROG Ally Z1 Extreme gameplay recorded with no FPS loss using the NZXT Signal 4K30 in OBS Studio.

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

    Does not work reliably with Legion Go — a Reddit user reports getting it working once, then hitting the same failure again trying to record their Legion Go, and ultimately returning the device.

    Source: www.reddit.com
    Confirmed — caveat

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