PROFESSIONAL 4K VIDEO CAPTURE
USB4 / Thunderbolt 3 Single-Channel 4K60 HDMI Capture Box
An external capture solution for professional streaming, conferencing, medical imaging, industrial vision, and high-resolution content production. One HDMI 2.0 input and loop-through support signals up to 4K60, while the USB4 / Thunderbolt 3 host connection carries true uncompressed 4K60 4:2:2 video. YUY2, RGB, HDMI embedded audio, Line In, DirectShow, DirectSound, and HWS SDK support enable flexible professional integration.
USB4 / Thunderbolt 3Uncompressed 4K60HDMI Input + LoopYUY2 / RGBHDMI Audio + Line InWindows / Linux
CORE ADVANTAGES
High-speed connectivity with uncompressed 4K60 quality
Uncompressed 4K60 4:2:2Capture supported formats up to 4K60 while retaining rich color information and fine image detail.
HDMI 2.0 Input and LoopOne HDMI input plus local loop-through supports signals up to 4K60, 2K144, and 1080p240.
USB4 / Thunderbolt 3 HostDesigned for high-data-rate video transfer; the product specification table lists a 20 Gb/s host link.
Two Audio SourcesCapture HDMI embedded audio or independent Line In as standard 48 kHz / 16-bit stereo.
Automatic Video ProcessingAutomatically detects the input format, scales to the selected output size, and supports hardware deinterlacing.
SDK and Professional AppsDirectShow, DirectSound, and HWS SDK support preview, capture, encoding, and secondary development.
HIGH-SPEED EXTERNAL CAPTURE
Compact single-channel 4K60 HDMI high-speed capture box
HDMI IN · HDMI OUT · USB4.0 · Line In
The compact metal enclosure separates HDMI input/loop-through from the USB4 host port and Line In for clean desktop or fixed-installation cabling. Ventilation slots and the metal structure support sustained high-resolution capture workflows.
1 × HDMI 2.0 input and 1 × HDMI loop-through
Capture up to 4K60; 4K60 / 2K144 / 1080p240 input and loop-through
YUY2 and RGB video output
HDMI embedded audio and Line In capture
PROFESSIONAL CAPTURE VALUE
High-resolution capture, low-loss quality, and flexible audio ingest
Uncompressed video is well suited to applications that demand color fidelity, fine detail, and low processing latency. The high-speed external interface brings 4K HDMI into conferencing, streaming, recording, analytics, or custom software while HDMI loop-through feeds a local display.
Professional 4K ProductionIdeal for high-quality recording, live streaming, switching, and content acquisition.
High-Frame-Rate Compatibility2K144 and 1080p240 input/loop support game, test, and fast-motion sources.
System IntegrationStandard interfaces and an SDK simplify conference, medical, industrial, and OEM deployments.
CONNECTION AND CAPTURE WORKFLOW
From an HDMI source to a 4K capture application
01 · SOURCEConnect HDMI inputConnect a camera, computer, or other HDMI 2.0 source to HDMI IN.
02 · LOOPConnect a local displayWhen local preview is required, connect HDMI OUT to a monitor or other receiver.
03 · HOSTConnect USB4 / Thunderbolt 3Use a suitable high-speed cable to connect a Windows or Linux capture host.
04 · SOFTWARESelect video and audioChoose the required formats in OBS, VLC, conferencing software, or an HWS SDK application.
CORE SPECIFICATIONS
Technical specifications
| Product Type | Single-Channel 4K60 HDMI USB4 / Thunderbolt 3 External Capture Box |
| Host Interface | USB4 / Thunderbolt 3 compatible connection; specification table lists 20 Gb/s |
| Video Input | 1 × HDMI 2.0 input |
| Video Loop-Through | 1 × HDMI local loop-through |
| Input / Loop Capability | Up to 4K60; supports 2K144, 1080p240, and lower formats |
| Capture Rate | Up to 4K60 at supported resolutions |
| Video Output Formats | YUY2, RGB |
| Image Quality | Uncompressed 4K60 4:2:2 |
| Video API | DirectShow |
| Audio Inputs | HDMI embedded audio and 1 × Line In |
| Audio Format | Stereo PCM, 48 kHz, 16-bit |
| Audio API | DirectSound |
| Video Processing | Automatic input-format detection, output scaling, and hardware deinterlacing |
| HDCP | HDCP handshake support; capture of protected content requires appropriate authorization |
| Windows | Windows 10 / 11; Server 2016 / 2019 / 2022 and later, x86 / x64 |
| Linux | Linux kernel 2.6.35 and later; x86 / x64 / ARM |
| Compatible Software | Zoom, Microsoft Teams, OBS Studio, VLC, PotPlayer, DingTalk, Lark, and others |
| Development Support | HWS SDK for signal status, capture options, and real-time audio/video capture |
| Dimensions / Power | 100 × 80 × 18 mm; ≤ 2.0 W |
| Operating / Storage Environment | Operating temperature: -20–70°C; storage humidity: 5%–90% |
APPLICATIONS
Built for 4K video capture and professional integration
4K Streaming and RecordingVideo ConferencingGaming and High Frame RatesMedical ImagingIndustrial VisionRemote EducationVideo AnalyticsOEM Integration
Specification note: Maximum resolution and frame rate depend on the source, host performance, cable, driver, and software settings. The source document mentions both 40 Gb/s interface bandwidth and a 20 Gb/s host transfer rate; this page uses the more specific 20 Gb/s host-interface figure in the specification table. HDCP-protected content may be used only with appropriate authorization and in compliance with content-protection requirements.