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Small silver capture card with short cable and USB-C connector

Guermok GM-29H 4K60 HDMI to USB-C/A Capture Card Silver

SKU CH-2F00-TB1WS

Captures 4K at 60 frames per second via HDMI and streams over USB 3.0 with a 3.3 ft cable and USB-A adapter included

  • TypeGM-29H
  • ColorSilver
  • FeaturesHdmi Input
  • Weight1.28 ounces
  • 4K 60FPS input and output via USB 3.0
  • Up to 144FPS at 2560×1440 for high-motion capture
  • Plug-and-play on Windows 10, 11, macOS, Linux, Android 5.0+, iPadOS 17+
  • Includes USB-A to USB-C adapter for port flexibility
  • 3ft cable with straight USB-C connector suits desk setups

Capture Performance

The Guermok GM-29H is a 4K 60FPS HDMI to USB-C/A capture card built for streamers and creators who need high-motion gameplay or VR capture on laptops, desktops or tablets. It accepts 4K 60Hz input and delivers 4K 60Hz output over USB 3.0 with ultra-low latency. An included USB-A male to USB-C female adapter adds port flexibility for older and newer hosts alike. Buyers who want internal PCIe capture or multi-channel input should look elsewhere.

Thermals and Power

The card draws power directly from the host USB port with no external supply required. Its aluminium shell dissipates heat passively during extended sessions, keeping surface temperatures modest under typical 4K 60FPS loads. Fanless operation means zero acoustic noise, making it suitable for quiet studios or bedroom setups. USB 2.0 ports limit output to 1080P, so a 3.0 or higher connection is essential for full performance.

Build and Connectivity

A straight USB-C connector and 3.3ft cable suit standard desk routing, while the silver aluminium housing resists wear from frequent plug cycles. The HDMI input accepts sources up to 4096×2160 at 60FPS and 2560×1440 at 144FPS, with MJPEG, YUY2, NV12 and XRGB format support. Plug-and-play compatibility spans Windows 7 through 11, macOS, Linux, Android 5.0+ and iPadOS 17+, though capture software such as OBS is required to view or record the signal.

Highlights

  • 4K 60FPS input and output via USB 3.0
  • Up to 144FPS at 2560×1440 for high-motion capture
  • Plug-and-play on Windows 10, 11, macOS, Linux, Android 5.0+, iPadOS 17+
  • Includes USB-A to USB-C adapter for port flexibility
  • 3ft cable with straight USB-C connector suits desk setups

Specifications

BrandGuermok
Model4k
Part NumberGM-29H
TypeGM-29H
ColorSilver
FeaturesHdmi Input
Weight1.28 ounces

Questions about this item

How do I connect the GM-29H to a laptop that only has USB-A ports, and what step do people often miss?

Plug the supplied USB-A male to USB-C female adapter into the laptop, then attach the capture card's USB-C connector; if the image stays at 1080P, rotate the USB-C plug 180° and reconnect to engage the USB 3.0 pins

What ongoing care does the capture card need, and which part is most likely to wear out first?

No scheduled maintenance is required; the 3.3ft cable and the USB-C connector are the only moving parts, so avoid sharp bends and repeated twisting to prevent fatigue

At what point does sustained capture hit a hard limit on this device?

Continuous 4K 60FPS MJPEG capture is the ceiling; higher frame rates such as 144FPS at 2560×1440 or 240FPS at 1920×1080 drop to lower colour formats, and USB 2.0 ports cap resolution at 1080P

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