Magewell Ultra Encode SDI Plus
Standalone 12G-SDI 4K hardware encoder — encode broadcast 4K SDI cameras to SRT, RTMP, HLS and NDI simultaneously. No PC required.
- 12G-SDI 4K input — standalone encoding from 4K broadcast cameras at up to 3840×2160 @ 60fps via 12G-SDI without any PC
- Full SDI range supported — SD-SDI, HD-SDI, 3G-SDI and 12G-SDI auto-detected, backward compatible with all SDI cameras
- H.264 and H.265 encoding at 4K — efficient broadcast-grade 4K compression for SRT, RTMP, HLS and NDI simultaneously
- Full NDI output at 4K — delivers 12G-SDI sources as 4K NDI streams on the local network for NDI production systems
- SRT with encryption for broadcast contribution — low-latency 4K contribution over internet for remote production
- Fanless design — permanently install in broadcast equipment rooms alongside 12G-SDI camera infrastructure
12G-SDI 4K to IP — Standalone
The Magewell Ultra Encode SDI Plus encodes 12G-SDI 4K broadcast cameras to H.265 for SRT, RTMP, HLS and NDI simultaneously — without any encoding PC. Sony VENICE, Arri Alexa 35 and professional 4K broadcast cameras with 12G-SDI outputs can be encoded to IP streams and NDI directly from this standalone device.
The full SDI format range is supported — from SD-SDI through to 12G-SDI — making the Ultra Encode SDI Plus compatible with any SDI camera regardless of specification level.
4K NDI from 12G-SDI Cameras
By outputting Full NDI at 4K resolution from 12G-SDI cameras, the Ultra Encode SDI Plus bridges broadcast SDI infrastructure and IP production workflows without an encoding workstation. 4K NDI is simultaneously available to vMix, Wirecast, OBS and any NDI-capable production application on the local network.
For HD SDI encoding, see the Ultra Encode SDI (£359). For HDMI 4K encoding, see the Ultra Encode HDMI Plus (£425). For all three input types from one device, see the Ultra Encode AIO (£599).
Compatible Software Guide ↗| Video Input | |
| Input Connector | 1× 12G-SDI (BNC) |
| Supported Standards | SD-SDI, HD-SDI, 3G-SDI, 12G-SDI (auto-detect) |
| Max Input Resolution | 3840×2160 @ 60fps (4K UHD via 12G-SDI) |
| Video Encoding | |
| Codecs | H.264, H.265 (HEVC) |
| Max Encode Resolution | 3840×2160 @ 60fps |
| Output Protocols | SRT, RTMP, RTMPS, HLS, RTSP, NDI, TS over UDP |
| Simultaneous Outputs | Up to 4 streams simultaneously |
| NDI Output | Full NDI at 4K |
| Audio | |
| Audio Input | Embedded SDI audio |
| Audio Codec | AAC |
| Network | |
| Interface | 10/100/1000 Ethernet (RJ45) |
| Management | Web-based UI |
| Power | |
| Power Supply | DC adapter (included) |
| Cooling | Fanless |
| Product Information | |
| SKU | 53160 |
| Warranty | 3 years |
| Price (ex-VAT) | £419.00 |
| Availability | In stock |
Specifications sourced from Magewell product documentation. Contact us to confirm suitability for your specific application.
The Ultra Encode SDI Plus is specified for broadcast facilities needing standalone 4K SDI encoding for contribution, streaming and 4K NDI integration.
4K Broadcast Studio SDI Encoding
Encode 12G-SDI studio cameras to 4K NDI for the facility network and 4K SRT for contribution to broadcast facilities — permanently installed, standalone, no encoding PC in the signal chain.
Cinema Camera 4K Encoding
Encode 12G-SDI outputs from Sony VENICE, Arri Alexa and high-end broadcast cameras to 4K NDI for on-set production monitoring and 4K SRT contribution to remote production hubs.
Major Sports 4K SDI Encoding
Encode 12G-SDI cameras at sports venues to 4K NDI for on-site production systems and simultaneously to 4K RTMP for official broadcast streaming and fan platforms.
4K Broadcast SDI Contribution
Encode 4K SDI camera or production switcher outputs for SRT contribution to broadcast facilities and remote production hubs at full 4K60 quality over internet connections.
4K Live Entertainment SDI Encoding
Encode 12G-SDI cameras at major concerts and live events to 4K NDI for production systems and simultaneously to 4K SRT or RTMP for streaming platforms.
4K News & Current Affairs SDI
Encode 4K SDI studio cameras and contribution feeds for simultaneous 4K NDI delivery and 4K SRT streaming to cloud production and remote editing platforms.
Stadium 4K SDI Fixed Encoding
Permanently install at 12G-SDI camera positions in sports stadiums — encoding 4K SDI to NDI for the venue network and RTMP for official streaming platforms simultaneously.
4K Medical SDI Camera Encoding
Encode 4K SDI surgical and medical cameras to 4K NDI for clinical networks and simultaneously to 4K SRT for telemedicine and remote surgical observation.
Permanent 4K SDI NDI Integration
Permanently integrate 12G-SDI sources as 4K NDI into production networks — 4K broadcast cameras become persistent 4K NDI sources on the network discoverable by all NDI applications.
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