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AVerMedia Live Gamer ULTRA 2.1 GC553G2
Model: Live Gamer ULTRA 2.1 (GC553G2) · US configuration
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External HDMI 2.1 capture device with a 10 Gbps USB-C host link; Windows Streaming Center reaches 4K144 MJPEG, with a lower Mac/OBS ceiling and mode-specific codec, HDR, display and system requirements.
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Explore this buying guide ↗Why consider this model?
- A current external option when an HDMI 2.1 source and high-refresh display path need a USB-connected capture device: its Windows Streaming Center plan documents 4K144 MJPEG capture, while the mode matrix also pairs lower capture targets with high-refresh passthrough.
Tradeoffs to weigh
- The high headline mode depends on a 10 Gbps host port, Windows Streaming Center, appropriate firmware and a capable CPU/GPU/RAM configuration; it is not the Mac or OBS maximum. macOS capture tops out at 4K60 MJPEG on specified Ultra-class hardware, and HDR recording is unavailable there. DSC display behavior can limit passthrough, HDCP-protected sources are unsupported, and the exact capture/passthrough/codec combination must be checked rather than inferred from independent maxima.
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- Confirm the exact model, generation, size and configuration in the offer.
- Compare your selected requirements with the detailed review before ordering.
- Check included accessories, seller, current availability and return terms.
Manufacturer information
- GC553G2 Live Gamer ULTRA 2.1 — official US retail product page, SKU and package
- Live Gamer ULTRA 2.1 GC553G2 — official manufacturer product and technical specifications
- GC553G2/GC575 supported passthrough-to-capture matrix and color-format limits
- GC553G2 User Manual — signal matrix, USB bandwidth and setup
- GC553G2/GC575 high-refresh passthrough troubleshooting and display/DSC checks