The Magewell USB Capture HDMI 4K Plus is a professional single-channel USB 3.0 capture device designed for capturing 4K HDMI video on any Windows, Mac, Linux or Chrome OS computer — including laptops. Compact, bus-powered and requiring no drivers on most operating systems, it connects any HDMI 2.0 source to your software instantly. With a dedicated HDMI loop-through output and 3.5mm audio I/O, it is the definitive USB capture solution for live streaming, video conferencing, lecture capture and medical imaging.
Core Functions & Capabilities
- 4K HDMI Capture: Captures video from any HDMI 2.0 source at resolutions up to 4096×2160 (DCI 4K) — supporting 4:4:4, 4:2:2 and 4:2:0 colour sampling at up to 60fps input.
- HDMI Loop-Through: Dedicated HDMI output passes the full input signal to a local monitor or downstream device at up to 4096×2160 60fps 4:4:4 — with zero latency added.
- USB 3.0 Bus-Powered: Connects via a single USB 3.0 cable — no external power supply, no PCIe slot and no separate power adapter required. Compatible with USB 2.0 and USB 3.1 Gen 1 hosts.
- Onboard Video Processing: 640 Mpixels/s processing pipeline handles scaling, cropping, de-interlacing, aspect ratio conversion, colour format conversion, frame rate conversion, flip and mirror — entirely on the device.
- 3.5mm Audio I/O: Captures analog audio via 3.5mm microphone input and outputs embedded HDMI audio or host computer playback audio via 3.5mm headphone jack. Functions as a full USB audio card.
- 8-Channel HDMI Audio: Captures up to 8 channels of 24-bit HDMI-embedded audio at up to 192kHz — ideal for professional audio workflows.
- Custom EDID Support: Configurable EDID enables the device to negotiate the precise resolution and format required by your capture software from any HDMI source.
- USB Capture Utility: Included software for setting capture parameters, customising EDID, flip/mirror settings, firmware upgrade and device diagnostics across Windows, Mac and Linux.
Key Features
- Universal OS & Driver Support: Works with Windows 7/8/10/11/Server, macOS 10.9+, Linux (x86, x64 & ARM) and Chrome OS. True plug-and-play on all major platforms — no driver installation required for basic use.
- Broad Software Compatibility: Compatible with Zoom, Microsoft Teams, Skype for Business, Google Meet, GoToMeeting, OBS Studio, XSplit, VLC, QuickTime, GStreamer and all DirectShow, V4L2 and AVCaptureSession applications.
- Compact Metal Body: 98.1 × 56.8 × 17mm form factor — fits in a pocket, bag or portable production kit. Rugged aluminium enclosure suitable for field deployment.
- LED Status Indicator: Onboard LED shows input signal lock status, memory state and firmware condition at a glance — no software required for quick status checking.
- MWCapture SDK: Full SDK available for Windows, macOS and Linux — enables custom integrations, OEM development and direct API access for enterprise deployments.
- Zoom & Teams Certified: Verified compatible with Zoom Rooms and Microsoft Teams for use as a professional camera input in video conferencing environments.
Ideal For
- Live Streaming: Connect any HDMI camera, switcher or computer to your laptop and stream live to YouTube, Twitch, Facebook Live or any RTMP destination using OBS, vMix or Wirecast.
- Video Conferencing: Replace a built-in webcam with a professional HDMI camera on Zoom, Teams, Google Meet or Skype — delivering dramatically sharper video quality for client-facing calls.
- Lecture Capture & Education: Capture from HDMI document cameras, presenter laptops or visualisers for lecture recording, hybrid delivery or lecture capture system integration.
- Medical Imaging: Capture video from HDMI-equipped ultrasound machines, endoscopes and diagnostic displays for telemedicine, procedure recording and clinical documentation.
- Gaming & Content Creation: Capture console or PC gameplay from HDMI output for recording, streaming and content production with zero-driver simplicity on any laptop.
- Corporate & Events: Capture presentation output or camera feeds at events and conferences — no engineer required, plug and play on any available laptop or workstation.
Magewell Part Number: 32090. Full technical specifications are available on the Specifications tab above.
