Choosing the right SDI streaming encoder can make the difference between a dependable live production and a frustrating stream interrupted by compatibility or connection problems. The best models convert professional SDI sources into network-ready video while supporting the protocols, resolutions, and workflows your production requires.
This roundup compares 10 streaming encoders with SDI, including compact 1080p units, 4K models, NDI-enabled systems, recorders, and multi-protocol broadcast hardware. Use the guide below to narrow your options by input format, streaming platform, control features, and installation needs.
Best 10 Streaming Encoders with Sdi Picks for 2026
Flexible Multi-Protocol Pick
- Up to four simultaneous video streams
- Supports RTMP, SRT, HLS, RTSP, and more
- Offers overlays and detailed stream controls
Best For: Multi-platform SDI broadcasting
4K Production Choice
Blackmagic Design Streaming Encoder 4K
- Supports DCI 4K streaming up to 60 fps
- Streams H.264 or H.265 over SRT or RTMP
- Includes SDI, HDMI, and USB-C features
Best For: 4K live-production workflows
Compact NDI Workflow Pick
- Converts SDI to NDI|HX formats
- Supports standalone SRT, RTMP(S), and RTSP streaming
- Offers PoE, USB-C power, and tripod mounting
Best For: Portable SDI-to-NDI production setups
Streaming and Recording Pick
- Supports 3G-SDI and HDMI up to 1080p60
- Streams to up to six platforms
- Records to SD card or USB disk
Best For: 1080p streaming and recording workflows
Best Professional 4K SDI Encoder
Magewell Ultra Encode SDI Plus
- 4K SDI encoding up to 4096×2160p30
- Multi-protocol, multi-destination streaming
- Simultaneous recording to internal, USB, or network storage
Best For: Professional SDI production and contribution workflows
Best Budget HD SDI Encoder
AVMATRIX SE2017 HDMI/SDI Encoder
- HDMI and SDI inputs with loopout
- Streaming up to 1080p60
- USB-C capture and MP4/TS recording
Best For: HD conferences, churches, and event streaming
Best Dual-Input 4K SDI Encoder
- HDMI and SDI inputs with mixed-source layouts
- 4K encoding and streaming to up to six destinations
- NDI|HX, recording, overlays, and PoE support
Best For: Mixed HDMI/SDI live production and broadcast workflows
Best Multi-Protocol Pick
- 4K input with H.264/H.265 encoding
- Up to four simultaneous protocol outputs
- Overlays, audio options, and lifetime support
Best For: Multi-platform streaming and customized broadcast workflows
Best Premium 4K Workflow
Blackmagic Streaming Encoder 4K
- 12G-SDI streaming up to 2160p60
- Ethernet and mobile auto-failover
- Standards conversion and broadcast controls
Best For: Professional 4K production and reliable live events
Best Budget HD Option
- 1080p60 H.264/H.265 encoding
- Up to three simultaneous streams
- Overlays and HDMI loop-out included
Best For: HD broadcasts and smaller multi-platform setups
Flexible Multi-Protocol Pick – URayCoder SDI IP Encoder
For buyers comparing streaming encoders with SDI, the URayCoder USE265-1L stands out for its broad protocol support and ability to output multiple streams simultaneously. It accepts an SDI source and provides extensive control over video, audio, overlays, and stream settings.
Best For: Multi-platform broadcasters and users who need flexible protocol support from a single SDI encoder.
Pros:
- Can output up to four video streams simultaneously.
- Supports HTTP, RTSP, RTMP(S), SRT, HLS, UDP, RTP, multicast, unicast, and other protocols.
- Allows text, logos, timestamps, cropping, rotation, mirroring, and other stream adjustments.
- Includes advertised lifetime technical support and warranty.
Cons:
- Provides one SDI port.
- The listed power plug is Type I, which may require attention to regional compatibility.
- Its broad configuration options may be more than a simple one-platform setup needs.
The USE265-1L is a feature-rich choice when routing one SDI source to several destinations matters more than keeping the setup minimal. Its protocol range and customization tools make it particularly adaptable for broadcast and streaming workflows.
4K Production Choice – Blackmagic Design Streaming Encoder 4K
The Blackmagic Design Streaming Encoder 4K is a strong option for shoppers seeking streaming encoders with SDI and higher-resolution support. It handles H.264 and H.265 streaming, supports DCI 4K up to 60 fps, and includes both SDI and HDMI monitoring outputs.
Best For: Production users who need DCI 4K streaming and a straightforward hardware control layout.
Pros:
- Supports DCI 4K streaming up to 60 fps.
- Streams using H.264 or H.265 to SRT or RTMP.
- Includes SDI and HDMI monitor outputs.
- Provides USB-C phone tethering and webcam output.
Cons:
- The supplied notes identify streaming output protocols as SRT and RTMP, fewer than some competing models here.
- Its 4K-oriented capabilities may be unnecessary for 1080p-only workflows.
- The product listing provides limited detail about inputs and recording features.
Choose this encoder when resolution and brand-focused production integration are priorities. Its 4K60 capability, dual codec support, and front-panel buttons with a spin knob make it suited to controlled live-production environments.
Compact NDI Workflow Pick – Zowietek ZowieBox SDI Encoder
For compact streaming encoders with SDI, the Zowietek ZowieBox combines SDI encoding with NDI|HX workflow support and standalone streaming. It can switch between encoder and decoder modes, while also supporting SRT, RTMP(S), and RTSP streaming, PoE, and tripod mounting.
Best For: Portable production teams connecting SDI, NDI|HX, network, and UVC sources in flexible installations.
Pros:
- Encodes SDI to NDI|HX3, NDI|HX2, and NDI|HX.
- Supports standalone H.264/H.265 streaming using SRT, RTMP(S), or RTSP.
- Can serve as an SDI extender when paired with a second ZowieBox.
- Offers USB-C power, PoE, tripod mounting, and a compact aluminum design.
Cons:
- It cannot encode and decode simultaneously; users must switch modes.
- It supports NDI|HX formats, not full NDI|HB.
- USB capture card functionality is not supported.
The ZowieBox is best viewed as a versatile network-production tool rather than a basic SDI-only encoder. Its small size and power flexibility are useful for mobile setups, while the mode limitation should be considered before designing a two-way workflow.
Streaming and Recording Pick – AVMATRIX SE2017 SDI Encoder
The AVMATRIX SE2017 is a practical choice among streaming encoders with SDI for users who also want local recording. It accepts 3G-SDI and HDMI sources up to 1080p60, supports multiple streaming protocols, and records to an SD card or USB disk.
Best For: 1080p production setups that need streaming, recording, loop-through outputs, and computer webcam connectivity.
Pros:
- Supports 3G-SDI and HDMI input and loop output up to 1080p60.
- Can stream to up to six platforms simultaneously.
- Records directly to an SD card or USB disk.
- Includes USB-C video capture output, PoE, OLED status display, and onboard controls.
Cons:
- Maximum listed resolution is 1920×1080 rather than 4K.
- Its feature set may be more extensive than needed for streaming-only users.
- The supplied information does not specify the included recording media.
The SE2017 is a well-rounded 1080p encoder/recorder for operators who want fewer separate devices in the signal chain. Its simultaneous streaming, local recording, loop outputs, and USB-C capture make it especially useful for events, training, and online production.
Best Professional 4K SDI Encoder – Magewell Ultra Encode SDI Plus
For professional workflows that need dependable streaming encoders with SDI, the Magewell Ultra Encode SDI Plus combines 4K SDI input, flexible network delivery, and onboard recording in a compact standalone unit. It supports H.264 or H.265 encoding, multiple streaming protocols, and simultaneous streaming and recording.
Best For: Professional live production, broadcast contribution, remote production, corporate AV, education, and houses of worship using SDI sources.
Pros:
- Encodes SDI video up to 4096×2160p30 in H.264 or H.265.
- Supports RTMP, RTMPS, SRT, NDI|HX, HLS, and TS over UDP/RTP, with multi-destination streaming.
- Streams and records simultaneously to internal 128GB storage, USB drives, or network locations.
- Offers PoE, Wi-Fi, optional USB modem support, overlays, and web/API control.
Cons:
- Designed around SDI input and does not list HDMI input support.
- 4K SDI encoding is limited to 30 frames per second.
- 4G/5G USB modems are optional and not included.
The Ultra Encode SDI Plus is a strong fit when your production depends on SDI and needs more than basic streaming. Its protocol range, recording options, and professional control features make it particularly versatile for fixed or mobile installations.
Best Budget HD SDI Encoder – AVMATRIX SE2017 HDMI/SDI Encoder
The AVMATRIX SE2017 is a practical choice among streaming encoders with SDI for HD events, conferences, churches, and broadcast setups. It combines HDMI and SDI inputs with recording, USB capture, loopout, and common streaming protocols in one device.
Best For: 1080p live streaming, conferences, church services, broadcasts, and users who need HDMI and SDI connectivity with recording.
Pros:
- Provides HDMI and SDI inputs with loopout and embedded line-audio support.
- Streams using RTSP, RTMP/RTMPS, SRT over LAN, HTTP-FLV, unicast, and multicast.
- Records MP4 or TS files to USB or SD card at up to 1080p60.
- Includes USB-C capture up to 1080p60 and supports PoE or DC power.
Cons:
- Limited to 1080p resolution rather than 4K.
- Does not support a microphone input; the listed audio input is line level.
- Offers less advanced processing and overlay functionality than the Magewell models.
Choose the SE2017 if you want a flexible HD encoder without stepping up to a 4K production platform. Its HDMI/SDI combination, USB capture, recording, and PoE support cover many everyday streaming and event-production needs.
Best Dual-Input 4K SDI Encoder – Magewell Ultra Encode AIO
The Magewell Ultra Encode AIO is built for production teams that need streaming encoders with SDI plus HDMI flexibility. It supports 4K encoding, dual-input mixing, multi-destination streaming, onboard processing, and recording for more complex live-production setups.
Best For: Live productions that combine HDMI and SDI sources, use picture-in-picture or side-by-side layouts, and require 4K delivery.
Pros:
- Accepts HDMI up to 4096×2160p60 and SDI up to 4096×2160p30.
- Combines HDMI and SDI sources with picture-in-picture or side-by-side layouts.
- Streams to up to six destinations using RTMP, RTMPS, SRT, NDI|HX2/HX3, HLS, and TS over UDP/RTP.
- Supports simultaneous recording, overlays, PoE, Wi-Fi, 4G modem support, and web/API control.
Cons:
- SDI 4K input is limited to 30 frames per second.
- It is larger and heavier than the compact SDI-only Ultra Encode SDI Plus.
- 4G USB modem support requires a separately supplied modem.
The Ultra Encode AIO is the most flexible option here for mixed-source productions. Its dual-input layouts and support for up to six streaming destinations make it well suited to studios, events, and broadcast environments with varied signal requirements.
Best Multi-Protocol Pick – 4K SDI Network Encoder
For buyers comparing streaming encoders with SDI, this URayCoder model stands out for flexible 4K input, broad protocol support, and multi-platform output. It can encode H.264 or H.265 video, produce up to four streams, and accept HDMI-embedded or line-in audio.
Best For: Multi-platform live streaming, custom-branded broadcasts, and users who need extensive protocol flexibility.
Pros:
- Supports 4K input at up to 30fps and up to 120fps at 2K or lower resolutions.
- Works with RTMP(S), SRT, HLS, RTSP, UDP, multicast, and other protocols.
- Supports up to four simultaneous streams, overlays, cropping, rotation, and mirroring.
- Includes lifetime free warranty and technical support.
Cons:
- 4K operation is limited to 30fps.
- The extensive configuration options may be more than casual users need.
This is a versatile choice when protocol compatibility and customization matter more than a simple plug-and-play workflow. Its H.265 support and four-stream capability make it particularly useful for complex online distribution setups.
Best Premium 4K Workflow – Blackmagic Streaming Encoder 4K
Among streaming encoders with SDI, the Blackmagic Design Streaming Encoder 4K is aimed at professional 4K workflows. It supports 12G-SDI input up to 2160p60, SRT and RTMP streaming, standards conversion, and automatic failover between Ethernet and tethered mobile data.
Best For: Broadcast, event, and production teams needing 4K60 streaming with monitoring, control, and connection redundancy.
Pros:
- Encodes H.264 and H.265 up to Ultra HD 2160p60.
- 12G-SDI input, SDI loop output, and SDI/HDMI monitor outputs include standards conversion.
- Supports Ethernet plus USB-C smartphone tethering with automatic failover.
- Adds closed captions, timecode, REST API control, tally, talkback, and webcam output.
Cons:
- Its professional feature set may be excessive for basic streaming.
- It has a one-year manufacturer warranty rather than lifetime coverage.
This is the strongest fit for users who need dependable 4K60 delivery and production-oriented controls. The mobile failover, standards conversion, and SDI monitoring options make it especially suitable for live environments where continuity matters.
Best Budget HD Option – AVMATRIX SE1117 SDI Encoder
The AVMATRIX SE1117 is a practical HD choice for shoppers seeking streaming encoders with SDI without moving to a 4K-focused system. It supports encoding up to 1080p60, common streaming protocols, simultaneous multi-stream output, and image or text overlays.
Best For: HD live streaming, smaller productions, and users sending one feed to multiple platforms.
Pros:
- Supports video encoding up to 1080p60.
- Can output up to three video streams simultaneously.
- Works with HTTP, RTSP, RTMP, RTMPS, SRT, UDP, RTP, and multicast or unicast workflows.
- Includes graphic overlays, mirror-image, upside-down-image, and HDMI loop-out functions.
Cons:
- Does not support 4K video based on the supplied specifications.
- The listed connectivity details emphasize SDI input and HDMI connectivity, so buyers should confirm their exact output setup.
Choose the SE1117 when 1080p delivery is sufficient and you want straightforward multi-platform capability. Its three-stream output and overlay tools provide useful flexibility for online broadcasts without requiring a 4K encoder.
How We Picked the Best Streaming Encoders with Sdi
We focused on the features that matter most in real-world live production: SDI input compatibility, supported resolutions and frame rates, streaming protocols, network connectivity, recording capabilities, and ease of setup. The selection includes dedicated SDI encoders as well as hybrid HDMI/SDI models for studios, houses of worship, conference rooms, mobile productions, and broadcast environments.
We also considered workflow flexibility. Support for RTMP, RTMPS, SRT, RTSP, UDP, HLS, or NDI can determine whether an encoder works with your preferred platform, local network, content delivery service, or production software.
Quick Comparison
- Best for straightforward online streaming: A compact 1080p SDI encoder with RTMP, RTSP, or SRT support.
- Best for 4K workflows: A 4K-capable model with SDI input and modern streaming protocols.
- Best for NDI production: An encoder with NDI or NDI|HX support for IP-based video routing.
- Best for recording and streaming: A hybrid encoder/recorder with onboard or USB storage options.
- Best for flexible installations: A unit supporting multiple protocols, multicast, PoE, or dual-input operation.
Key Buying Factors for Streaming Encoders with Sdi
SDI Format and Resolution
Confirm that the encoder accepts your camera or switcher’s exact SDI standard, such as HD-SDI, 3G-SDI, 6G-SDI, or 12G-SDI. Check whether it supports 1080p60, interlaced formats, or 4K frame rates before buying.
Streaming Protocols
RTMP is widely supported by social and video platforms, while RTMPS adds encrypted delivery. SRT is useful for unreliable networks and longer-distance contribution feeds. RTSP, UDP, and HLS can be valuable for private networks, monitoring, IPTV, and custom distribution systems.
Encoding and Network Performance
Look for H.264 or HEVC support based on your delivery requirements. HEVC can reduce bandwidth at comparable quality, but H.264 remains more broadly compatible. Gigabit Ethernet is generally preferable for sustained high-bitrate or 4K streaming.
Production and Control Features
NDI support, audio embedding, web-based controls, USB capture, onboard recording, dual-input mixing, and PoE can simplify a larger workflow. Consider whether the encoder will be operated locally, remotely, or integrated into a rack or mobile rig.
Who Should Buy Which Streaming Encoders with Sdi?
Choose a basic 1080p SDI encoder for a single-camera stream, church service, lecture, or event where ease of use and broad platform support matter most. Choose a 4K model if your cameras, switcher, archive, or distribution chain already use UHD. Choose an NDI-enabled encoder when your production relies on software-based routing over an IP network. Choose an encoder/recorder when you need a local backup or want to capture a program feed while streaming. For demanding installations, prioritize protocol variety, reliable Ethernet, remote management, and compatibility with your existing SDI signal chain.









