The Magewell USB Capture HDMI 4K Plus is a professional single-channel USB 3.0 capture device. If you are looking for a reliable Magewell 4K Plus capture card for your setup, this device is designed for capturing 4K HDMI video on any Windows, Mac, Linux or Chrome OS computer. Moreover, it works with laptops as well.
The device is compact, bus-powered and requires no drivers on most operating systems. In fact, the Magewell 4K Plus capture card stands out for its ease of use and portability.
Therefore, it connects any HDMI 2.0 source to your software instantly. Moreover, it has a dedicated HDMI loop-through output and 3.5mm audio I/O. As a result, it is the definitive USB capture solution for live streaming, video conferencing, lecture capture and medical imaging. Notably, the Magewell 4K Plus capture card can meet the needs of a wide range of users. This includes educators and medical professionals.
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. Consequently, the Magewell 4K Plus capture card offers plug-and-play versatility far exceeding standard options.
- 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. As a result, a Magewell 4K Plus capture card is an ideal pick for unified communications setups.
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.