Magewell USB Capture SDI 4K Pro
12G-SDI to USB 3.0 at 4K60 with dual output — the highest-specification SDI USB capture device for broadcast professionals.
- 12G-SDI input — captures 4K UHD at up to 60fps from professional 12G-SDI broadcast cameras, cinema cameras and high-end production equipment
- Dual USB output — two independent 4K streams from the same 12G-SDI source, delivered simultaneously to two separate computers
- Genlock input — frame-accurate broadcast timing via external reference synchronisation for multi-camera production environments
- Supports the complete SDI format range — SD-SDI, HD-SDI, 3G-SDI, 6G-SDI and 12G-SDI with automatic format detection
- Driverless UVC on both outputs — works on Windows, macOS, Linux and ChromeOS without driver installation on either connected host
- The definitive USB capture device for 4K SDI broadcast environments requiring simultaneous multi-destination capture
12G-SDI — The Highest SDI Standard
12G-SDI (SMPTE 2082) carries 4K UHD at 60fps on a single BNC cable — four times the bandwidth of 3G-SDI. The professional cameras and equipment that use 12G-SDI represent the highest tier of broadcast production: Sony VENICE 2, Arri Alexa 35, broadcast cameras used for international sports coverage and major live events.
The USB Capture SDI 4K Pro captures these signals at full 4K60 quality via USB, bringing the highest-specification SDI sources into software-defined workflows without requiring dedicated PCIe ingest cards or rack-mounted infrastructure. This gives production teams maximum flexibility in where and how they capture without compromising on quality.
Dual Output for Mission-Critical Productions
The dual USB output delivers the same 12G-SDI source to two independent computers simultaneously. In mission-critical productions — major live sports, high-profile political coverage, large-scale entertainment events — the ability to run parallel capture systems from the same camera feed is not a luxury, it is a professional standard.
Primary streaming computer and backup archive server. Live analysis platform and record server. Studio production system and social media clip creation workstation. The dual output eliminates signal distribution hardware while providing genuine workflow independence between the two capture destinations.
This is the top of the USB Capture SDI range. For all 4K SDI capture needs, the SDI 4K Pro represents the definitive solution.
Compatible Software Guide ↗| Video Input | |
| Input Connector | 1× 12G-SDI (BNC) |
| Supported Standards | SD-SDI, HD-SDI, 3G-SDI, 6G-SDI (SMPTE 2081), 12G-SDI (SMPTE 2082) |
| Max Input Resolution | 3840×2160 @ 60fps (4K UHD via 12G-SDI) |
| Dual USB Output | |
| USB Outputs | 2× USB 3.0 — simultaneous independent 4K streams to two hosts |
| Each Output | Independent UVC driverless device on each host |
| Genlock | |
| Genlock Input | External reference sync |
| Reference Signals | House sync, tri-level sync, black burst |
| Audio | |
| Audio Input | Embedded SDI audio (up to 2-channel capture) |
| Audio Capture Standard | UAC — driverless |
| Product Information | |
| SKU | 32160 |
| Warranty | 3 years |
| Price (ex-VAT) | £441.00 |
| Availability | In stock |
Specifications sourced from Magewell product documentation. Contact us to confirm suitability for your specific application.
The USB Capture SDI 4K Pro is the choice for the most demanding 4K SDI broadcast environments — where source quality, simultaneous multi-destination capture and professional timing standards are all non-negotiable.
Major Sports Broadcasting
Premier League, international cricket, Formula 1 and other major sports productions using 12G-SDI cameras for the highest-quality 4K broadcast can capture simultaneously to live stream and archive systems from individual camera feeds.
Cinema & High-End Drama Production
Film and high-end TV drama productions using 12G-SDI cameras (Sony VENICE 2, Arri Alexa 35) can capture primary editorial and reference preview feeds simultaneously without splitting optical or electronic signal paths.
National Broadcaster Infrastructure
National and regional broadcast organisations upgrading to 12G-SDI 4K infrastructure can add USB capture capability to individual SDI feeds for online publishing, catch-up services and international contribution without separate ingest hardware.
Broadcast Redundancy Systems
Mission-critical broadcasts requiring redundant capture systems can operate primary and backup capture workstations simultaneously from a single 12G-SDI feed, ensuring no frame of the broadcast is ever at risk.
Stadium & Arena 4K Production
The largest sports and entertainment venues using top-specification 12G-SDI camera systems for 4K broadcast can add USB capture to individual camera positions for replay, highlights and social media output.
High-Profile Live Events & Galas
Awards ceremonies, political events and major entertainment spectacles demanding the highest production quality can capture 12G-SDI feeds to both the broadcast chain and independent archive systems.
High-Resolution Medical Imaging Capture
4K and 8K medical imaging systems using 12G-SDI for the highest-quality diagnostic image capture can record simultaneously to archive and to analysis workstations for immediate clinical review.
Enterprise Live Production
Large enterprises with professional-grade 12G-SDI broadcast studios for internal communications, investor presentations and shareholder events require the highest-spec capture that matches their broadcast-grade camera investment.
4K Broadcast Technology Development
Broadcast technology developers, test and measurement engineers and systems architects validating 12G-SDI workflows can capture test signals to dual analysis workstations simultaneously for independent signal evaluation.
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