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BZBGEAR

BZBGEAR BG-4K120CHA USB-C 4K120 Video Capture Card

SKU CH-NF34-GZ96P

Captures 4K at 30 fps or 1080p at 120 fps with HDMI 2.1 loop-out, HDR10-to-SDR conversion and 3–4 ms latency over USB-C

  • Resolution SupportUp to 4K2K@30/1080P@120
  • ColorBlack
  • VideoUp to 4K2K 120Hz 4:4:4/4:2:2/4:2:0
  • AudioHDMI output up to 7.1ch, TOSLINK up to 5.1ch, Stereo audio u
  • HDMIType A [19-pin female]
  • Other ConnectorUSB 3.1 Type C (SuperSpeed USB)
  • Capture 4K at 30 Hz or 1080p at 120 Hz via USB-C
  • HDMI 2.1 loop-out passes 4K 120 Hz 4:4:4 to your display
  • HDR10 to SDR conversion records console HDR gameplay in SDR
  • Mic-in mixing blends microphone audio with HDMI sound on the fly
  • 3 to 4 ms latency at 1080p keeps streams responsive

Capture up to 4K at 30 Hz via USB-C

The BG-4K120CHA is a USB-C video capture device that accepts HDMI 2.1 signals up to 4K 120 Hz and records at up to 4K 30 Hz or 1080p 120 Hz. It draws up to 4.5 W from the USB-C port and includes a built-in scaler plus HDR10 to SDR conversion so console output can be viewed on an HDR display while capturing an SDR stream. Audio paths cover HDMI 7.1-channel output, TOSLINK 5.1-channel output and stereo analogue I/O with hardware volume knobs.

Streamers and console gamers needing HDMI loop-out

Creators who want to play at 4K 120 Hz on a TV or monitor while simultaneously recording a 4K 30 Hz or 1080p 120 Hz feed will find the HDMI loop-out and scaler useful. Broadcasters requiring multi-channel audio routing benefit from the separate HDMI, optical and analogue outputs. Buyers who need captured footage at 4K 120 Hz should look at a different capture solution because this unit records at a lower frame rate than the pass-through signal.

Maximum recorded resolution 4K 30 Hz

The single specification that determines fit is the capture ceiling: the device records at up to 4K 30 Hz (or 1080p 120 Hz) even though the HDMI input and loop-out both handle 4K 120 Hz. If your workflow demands recording at the full 120 Hz refresh rate, this card will not meet that requirement.

Highlights

  • Capture 4K at 30 Hz or 1080p at 120 Hz via USB-C
  • HDMI 2.1 loop-out passes 4K 120 Hz 4:4:4 to your display
  • HDR10 to SDR conversion records console HDR gameplay in SDR
  • Mic-in mixing blends microphone audio with HDMI sound on the fly
  • 3 to 4 ms latency at 1080p keeps streams responsive

Specifications

BrandBZBGEAR
ModelBG-4K120CHA
Resolution SupportUp to 4K2K@30/1080P@120
ColorBlack
VideoUp to 4K2K 120Hz 4:4:4/4:2:2/4:2:0
AudioHDMI output up to 7.1ch, TOSLINK up to 5.1ch, Stereo audio up to 2ch
HDMIType A [19-pin female]
Other ConnectorUSB 3.1 Type C (SuperSpeed USB)
SoftwareOBS Studio (Windows, Linux, MAC), AMCap (Windows), Potplayer (Windows)¸ VLC (OS X, Linux), XSplit Broadcaster (Windows), Skype (Windows, OS X), Zoom (Windows), Hangout (Windows), TeamViewer (Windows)
Power Consumption4.5 Watts [max]
Power SupplyVia USB-C
Weight5.8 oz [165g]

Questions about this item

Will the HDMI 2.1 loop-out pass 4K 120 Hz from my PS5 to a 4K TV while I capture?

Yes, the HDMI input and loop-out both support up to 4K2K 120 Hz 4:4:4 so the console signal reaches the display unchanged while you record.

How can I verify the capture is running at 1080p 120 fps after I plug it in?

Open OBS Studio or AMCap, check the video properties and confirm the active resolution shows 1080p at 120 fps with latency around 3 to 4 ms.

Does the box include a USB-C cable and do I need a separate power adapter?

The device draws up to 4.5 W over USB-C so no external power supply is required; a USB 3.1 Type-C cable is included in the package.

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