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Small black aluminium dongle with HDMI port and USB 3.0 cable attached

Vszerda

Vszerda 4K HDMI to USB 3.0 Video Capture Card

SKU CH-MNRX-3FTTK

Captures 4K HDMI at 30 Hz and 1080p at 60 fps via USB 3.0 with loop-out for streaming or recording

  • Capture 4K at 30 Hz or 1080p at 60 fps for crisp recordings
  • Loop-through HDMI 2.0 keeps your monitor at 4K 60 Hz while you stream
  • USB 3.0 delivers 300–350 MB/s throughput with USB 2.0 fallback
  • Works on Windows, Linux and Mac with UVC and UAC drivers, no extra software
  • Aluminium alloy body stays cool at ≤2.5 W for long sessions

What this capture card does

The Vszerda 4K HDMI to USB 3.0 video capture card converts a single HDMI source into a USB 3.0 stream for preview, recording or live broadcast. It accepts 4K at 30 Hz and 1080p at up to 60 fps, and passes 4K 60 Hz 4:4:4 through its HDMI loop-out. The aluminium dongle draws no more than 2.5 W and works with Windows 7 or later, Linux and macOS using standard UVC and UAC drivers.

Interface throughput and resolution limits

The USB 3.0 link delivers 300 to 350 MB/s, which caps captured 4K to 30 Hz while 1080p can reach 60 fps. HDMI input supports a long list of resolutions from 480p up to 4K 30 Hz and 1080i 50/60; output resolutions stop at 1920x1080. The HDMI 2.0 loop-out passes 4K 60 Hz untouched, but the USB path cannot carry that bandwidth.

Installation notes and common issues

Plug the HDMI source, connect the supplied USB 3.0 cable, and the device appears as a standard video capture device in OBS or other UVC software — no driver install required. The box lists minimum CPU and GPU requirements (desktop i5-3400 or equivalent, 4 GB RAM, GT630-class graphics); systems below that may drop frames or fail to preview. USB 2.0 ports work but restrict throughput to 1080p 30 fps. The card has no onboard audio mixer, so microphone input must be handled separately in software.

Highlights

  • Capture 4K at 30 Hz or 1080p at 60 fps for crisp recordings
  • Loop-through HDMI 2.0 keeps your monitor at 4K 60 Hz while you stream
  • USB 3.0 delivers 300–350 MB/s throughput with USB 2.0 fallback
  • Works on Windows, Linux and Mac with UVC and UAC drivers, no extra software
  • Aluminium alloy body stays cool at ≤2.5 W for long sessions

Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the 4K 30 Hz or 1080p 60 Hz capture mode for my stream?

Choose 4K at 30 Hz for maximum detail on static scenes, or 1080p at 60 Hz for smoother motion in fast games; both are supported over the same HDMI input.

What does the 300 to 350 MB/s throughput mean when I am recording?

It is the practical USB 3.0 bandwidth ceiling that lets the card sustain 1080p 60 fps or 4K 30 fps capture without dropping frames.

Does the HDMI 2.0 loop-out cap the signal at 4K 60 Hz 4:4:4?

Yes, the pass-through is limited to 4K 60 Hz 4:4:4, so the connected monitor receives the full source resolution while the PC records at 4K 30 Hz or 1080p 60 Hz.

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