SDI remains a dependable choice for cameras, switchers, and broadcast equipment, but getting that video online requires the right encoder. The best streaming encoders with SDI convert professional video feeds into compatible IP streams without adding unnecessary complexity to your production workflow.
This roundup compares 10 options across 3G-SDI and 4K support, streaming protocols, recording, NDI, dual-channel operation, and portability. Whether you need a straightforward point-to-point encoder or a more capable production tool, use the guide below to narrow your choices.
Best 10 Streaming Encoders with Sdi Picks for 2026
Flexible Multi-Protocol Pick
- Four simultaneous video streams
- Broad protocol support including SRT and RTMP
- Custom overlays and stream controls
Best For: Multi-destination SDI-to-IP streaming
Best All-in-One HD Option
- 3G-SDI and HDMI up to 1080p60
- Records to SD card or USB disk
- Streams to up to six platforms
Best For: Portable HD streaming and recording
Best for NDI Workflows
Zowietek ZowieBox SDI NDI Encoder
- Converts SDI to NDI|HX formats
- Supports SDI extension over LAN
- Compact, PoE-capable standalone design
Best For: NDI|HX production and SDI-over-LAN
Best 4K Broadcast Feature Set
Blackmagic Streaming Encoder 4K
- 12G-SDI and streaming up to 2160p60
- Ethernet and mobile auto-failover
- Standards conversion and broadcast controls
Best For: Professional 4K live production
Best High-Resolution Pick
E3 Dual-Channel 4K HDMI/SDI Encoder
- 4K HDMI and 3G-SDI input support
- NDI HX3/HX2, SRT, and RTMP protocols
- PoE Gigabit Ethernet plus LCD controls
Best For: 4K-capable HDMI and SDI production setups
Best Multi-Stream Value
- Encodes up to 1080p60
- Outputs up to three streams simultaneously
- HDMI loop-out and graphic overlays
Best For: 1080p multi-platform broadcasting
Best SDI/IP Converter
ZowieBox 3G SDI Encoder Decoder
- Bidirectional SDI and IP conversion
- SDI-to-UVC and UVC-to-SDI support
- PoE, loop-out, and H.264/H.265 encoding
Best For: Hybrid SDI, IP, and computer-based production
Best All-in-One 4K Choice
- HDMI and SDI inputs with source mixing
- 4K H.264/HEVC encoding
- Streams to six destinations and records simultaneously
Best For: Advanced 4K live productions using HDMI and SDI sources
Best Midrange HD Recorder
- HDMI and SDI streaming with loopout
- USB-C capture up to 1080p60
- Records MP4 or TS to USB or SD
Best For: HD conferences, churches, and broadcast-style events
Best Multi-Channel SDI Option
- Four-channel SDI support
- H.264/H.265 encoding up to 4K30
- Four simultaneous protocol-based outputs
Best For: Multi-channel SDI streaming and customized broadcast workflows
Flexible Multi-Protocol Pick – URayCoder SDI IP Encoder
For buyers comparing streaming encoders with SDI, the URayCoder USE265-1L is a flexible option for converting an SDI source to IP video. It supports H.264 and H.265 workflows, up to four simultaneous video streams, and a broad selection of protocols for sending video to multiple platforms or servers.
Best For: Multi-destination streaming setups that need extensive protocol support and configurable output streams.
Pros:
- Supports up to four video streams simultaneously.
- Works with HTTP, RTSP, RTMP(S), SRT, HLS, UDP, RTP, and additional protocols.
- Offers text, logo, time, cropping, rotation, and other stream customization options.
- Includes lifetime technical support, warranty, and SDK/API documentation.
Cons:
- Provides one SDI port, so additional source inputs require other equipment.
- The supplied power plug is Type I, which may require attention depending on your region.
- The notes do not specify a maximum frame rate or resolution.
This encoder stands out for deployment flexibility rather than a large set of physical inputs. It is a practical choice when protocol variety and simultaneous distribution matter more than built-in recording or 4K support.
Best All-in-One HD Option – LILLIPUT AVMATRIX SE2017
The LILLIPUT AVMATRIX SE2017 combines SDI streaming, HDMI connectivity, recording, and webcam capture in one portable unit. For streaming encoders with SDI, it is especially versatile for HD productions because it supports up to 1080p60, local recording, and delivery to as many as six platforms simultaneously.
Best For: Portable HD production setups that need streaming, recording, HDMI/SDI support, and USB webcam output.
Pros:
- Supports 3G-SDI and HDMI input and loop output up to 1080p60.
- Records directly to an SD card or USB disk.
- Offers USB-C video capture output for compatible Linux and macOS computers.
- Supports RTSP, RTMP, SRT, HTTP-FLV, unicast, and multicast streaming to up to six platforms.
Cons:
- Maximum supported resolution is 1920×1080 rather than 4K.
- The package notes list a DC power adapter, while PoE availability may depend on the network setup.
- The supplied information does not identify supported streaming platforms individually.
With onboard controls, an OLED screen, local recording, and both HDMI and SDI connectivity, the SE2017 is a strong general-purpose HD encoder/recorder. Choose it when workflow flexibility is more important than Ultra HD output.
Best for NDI Workflows – Zowietek ZowieBox SDI NDI Encoder
The Zowietek ZowieBox is designed for SDI-to-NDI conversion, network video transport, and standalone streaming. Among streaming encoders with SDI, it is a compact choice for production teams using NDI|HX formats, with support for SRT, RTMP(S), and RTSP as well as PoE and tripod mounting.
Best For: Compact NDI|HX production systems, SDI extension over LAN, and PC-free streaming deployments.
Pros:
- Encodes SDI to NDI|HX3, NDI|HX2, and certified NDI|HX formats.
- Can extend SDI point-to-point over a LAN using two units.
- Supports standalone SRT, RTMP(S), and RTSP streaming.
- Offers USB-C power, PoE, tripod mounting, and a compact aluminum design.
Cons:
- It cannot encode and decode simultaneously; users must switch operating modes.
- It supports NDI|HX formats but not full NDI|HB.
- The product notes state that USB capture card functionality is not supported.
The ZowieBox is a specialized fit for NDI-centered workflows rather than a conventional multi-input encoder. Its small size, PoE support, and SDI-over-LAN capability make it useful for distributed production environments.
Best 4K Broadcast Feature Set – Blackmagic Streaming Encoder 4K
The Blackmagic Design Streaming Encoder 4K is the high-resolution choice among these streaming encoders with SDI. It accepts 12G-SDI sources up to DCI 4K60, encodes in H.264 or H.265, and adds standards conversion, mobile failover, monitor outputs, webcam output, and broadcast-oriented control features.
Best For: Professional HD and 4K live streaming where SDI reliability, standards conversion, and connection redundancy are priorities.
Pros:
- Supports H.264 and H.265 streaming up to 2160p60.
- 12G-SDI input supports sources up to DCI 4K60 with SDI loop output.
- Provides Ethernet plus USB-C smartphone tethering with automatic failover.
- Includes closed-caption embedding, timecode support, REST API control, tally, talkback, and webcam outputs.
Cons:
- Its professional feature set may be more than basic HD streaming requires.
- The supplied warranty is one year.
- The product has one SDI input, so multi-camera productions need additional switching or routing equipment.
This is the strongest option for buyers who need 4K60 capability and broadcast-style resilience. Standards conversion and automatic network failover make it particularly suitable for demanding live-production workflows.
Best High-Resolution Pick – E3 Dual-Channel 4K HDMI/SDI Encoder
For buyers comparing streaming encoders with sdi, the KILOVIEW E3 stands out when 4K input support, flexible connections, and low-latency protocols matter. It accepts 4K HDMI and 3G-SDI sources up to 3840×2160 at 30fps and supports NDI HX3/HX2, SRT, and RTMP.
Best For: 4K-capable live production setups needing HDMI, SDI, PoE, and local controls.
Pros:
- Supports 4K HDMI and 3G-SDI input up to 30fps.
- Offers NDI HX3/HX2, SRT, and RTMP for flexible streaming workflows.
- Gigabit Ethernet supports PoE for combined power and network connectivity.
- 1.14-inch LCD display and touch buttons simplify setup and monitoring.
Cons:
- Its 4K capability may be unnecessary for workflows limited to 1080p.
- The unit has two ports, so buyers should confirm their required connection layout.
The E3 is a strong choice for modern productions that mix HDMI and SDI sources while requiring more than basic RTMP streaming. Its 4K support, PoE, and NDI compatibility make it especially adaptable.
Best Multi-Stream Value – AVMATRIX SE1117 SDI Encoder
The AVMATRIX SE1117 is a practical option among streaming encoders with sdi for 1080p productions. It supports encoding up to 1080p60, simultaneous output of up to three video streams, and a broad selection of protocols including RTMP, RTMPS, SRT, RTSP, UDP, and RTP.
Best For: 1080p broadcasters distributing one source to multiple platforms or destinations.
Pros:
- Supports video encoding up to 1080p60.
- Can output up to three video streams simultaneously.
- Includes HDMI loop-out for monitoring the pushed stream.
- Supports custom graphic overlays and multiple streaming protocols.
Cons:
- It is limited to 1080p rather than 4K output.
- The supplied notes identify SDI connectivity but do not specify SDI loop-through.
Choose the SE1117 when multi-platform distribution is more important than 4K resolution. Its three-stream output, overlays, loop-out, and protocol range suit event, social, and online broadcast workflows.
Best SDI/IP Converter – ZowieBox 3G SDI Encoder Decoder
The ZowieBox is a versatile choice among streaming encoders with sdi because it works in both directions. It can encode SDI to SRT, RTMP(S), or RTSP, decode those IP streams back to SDI, and also bridge SDI and UVC workflows for computers, webcams, switchers, and other production equipment.
Best For: Professional workflows that need SDI-to-IP, IP-to-SDI, or UVC conversion in one standalone device.
Pros:
- Supports SDI encoding to SRT, RTMP(S), and RTSP.
- Decodes IP streams to SDI for switchers, monitors, and recording systems.
- Provides SDI-to-UVC and UVC-to-SDI conversion for computer-based production.
- Offers PoE, USB-C and DC power options, SDI loop-out, and H.264/H.265 encoding.
Cons:
- Its SDI-only design does not provide HDMI input or output.
- It has one channel, which may not suit multi-source installations.
- The supplied package lists a U.S.-specific power supply.
The ZowieBox is the most flexible option here for hybrid broadcast environments. Its bidirectional conversion and UVC support make it useful when professional SDI gear must connect with IP networks or computer applications.
Best All-in-One 4K Choice – Ultra Encode AIO
For buyers seeking streaming encoders with sdi support, the Magewell Ultra Encode AIO stands out as a flexible 4K option with both HDMI and SDI inputs. It can combine sources with picture-in-picture or side-by-side layouts, stream to multiple destinations, and record at the same time.
Best For: Live productions needing 4K encoding, mixed HDMI/SDI workflows, and multi-platform streaming.
Pros:
- Supports HDMI and SDI input, including dual-input layouts.
- Encodes up to 4K with H.264 or HEVC compression.
- Streams to up to six destinations using protocols including RTMP, SRT, NDI|HX, and HLS.
- Records to SD cards, USB storage, or network drives while streaming.
Cons:
- SDI input is limited to 4K at 30 fps, while HDMI supports up to 4K at 60 fps.
- Its rack-mountable design and extensive controls may be more than simple streaming setups need.
The Ultra Encode AIO is the most feature-rich choice here for production teams that need resolution flexibility, source mixing, overlays, and several delivery options in one unit.
Best Midrange HD Recorder – AVMATRIX SE2017
The AVMATRIX SE2017 is a practical pick among streaming encoders with sdi for HD broadcast, conference, and church applications. Its three-in-one design handles HDMI and SDI input, network streaming, recording, and USB-C capture at up to 1080p60.
Best For: HD live events that need straightforward streaming, local recording, and USB capture.
Pros:
- Combines streaming, recording, and USB capture in one device.
- Supports HDMI and SDI inputs with loopout and embedded line audio.
- Offers RTMP, RTMPS, RTSP, SRT, HTTP-FLV, unicast, and multicast protocols.
- Records MP4 or TS files to USB storage or an SD card at up to 1080p60.
Cons:
- Maximum output resolution is 1080p rather than 4K.
- The line audio input does not support a microphone input.
Choose the SE2017 when dependable HD capabilities matter more than 4K resolution. PoE support and multiple streaming protocols add useful flexibility for installed or event-based setups.
Best Multi-Channel SDI Option – URayCoder 4K SDI Encoder
For streaming encoders with sdi that prioritize channel capacity, this URayCoder hardware encoder supports four SDI channels and broad IP delivery options. It accepts 4K input at up to 30 fps, provides H.264/H.265 encoding, and can output multiple streams for platforms such as YouTube, Facebook, Twitch, and Vimeo.
Best For: Multi-channel SDI workflows requiring flexible protocols, simultaneous outputs, and customizable overlays.
Pros:
- Supports four SDI channels and 4K input/output at up to 30 fps.
- Offers H.264 and H.265 encoding with support for lower-resolution frame rates up to 120 fps.
- Can output four video streams using protocols including RTMP(S), SRT, HLS, RTSP, and multicast.
- Includes text, scrolling caption, logo, timestamp, cropping, and audio adjustment options.
Cons:
- 4K frame rate is limited to 30 fps.
- The supplied notes describe SDI-focused connectivity rather than HDMI input support.
This encoder is a strong fit for operators managing several SDI feeds or distributing content through different protocols. Its customization features and stated lifetime technical support also suit specialized or enterprise-oriented deployments.
How We Picked the Best Streaming Encoders with Sdi
We compared these encoders based on the features that matter most in real-world live production: SDI format support, maximum resolution and frame rate, codec options, streaming protocols, reliability, recording capability, audio handling, networking, and setup flexibility. We also considered whether each unit is best suited to a fixed installation, mobile production, broadcast workflow, or occasional event streaming.
Protocol support is especially important. RTMP and RTMPS work with many online platforms, while SRT is useful for more resilient contribution over unpredictable networks. RTSP, UDP, HLS, and NDI can be valuable for local distribution, monitoring, IP production, and custom workflows.
Quick Comparison
| Feature | What to look for | Best suited to |
|---|---|---|
| SDI input | 3G-SDI for HD; 6G-SDI or 12G-SDI for higher-bandwidth 4K | Cameras, switchers, and broadcast sources |
| Video resolution | 1080p60 is common; 4K support adds flexibility but may require more bandwidth | Live events, studios, and future-proof systems |
| Protocols | RTMP/S, SRT, RTSP, UDP, HLS, or NDI depending on the workflow | Streaming platforms, contribution, or IP production |
| Extra functions | Recording, HDMI input, dual channels, audio-only streaming, or decoding | More complex or mobile productions |
Key Buying Factors for Streaming Encoders with Sdi
Match SDI Bandwidth to Your Source
Confirm the encoder supports your camera or switcher’s SDI standard. A 3G-SDI model is generally suitable for HD up to 1080p60, but it will not provide the same headroom as a 6G-SDI or 4K-capable encoder. Check both the connector type and supported frame rates before buying.
Choose Protocols for Your Destination
For YouTube, Facebook, and similar services, RTMP or RTMPS is often sufficient. SRT is a stronger choice for sending video between locations across the public internet. If your system uses NDI, multicast, or an internal media server, select a model that explicitly supports the required format rather than relying on generic IP compatibility.
Consider Recording and Production Features
Built-in recording can provide a backup copy or simplify post-production. HDMI inputs, dual-channel encoding, audio input options, and NDI support can reduce the need for additional hardware, but they may add cost and configuration requirements.
Plan the Network and Power Setup
Wired Ethernet is typically more dependable than wireless networking for sustained streaming. Verify bitrate requirements, available upload speed, power connections, cooling, and whether the unit can be monitored or configured remotely.
Who Should Buy Which Streaming Encoders with Sdi?
Choose a basic 3G-SDI encoder if you need dependable 1080p streaming from one camera or switcher with minimal setup. A model supporting SRT is preferable for remote venues or contribution links where network conditions may vary.
Look at 4K-capable or multi-channel hardware if you are building a studio, producing large events, or want room to expand. Encoders with recording, NDI, HDMI, or decoding functions make more sense for production teams that need an all-in-one workflow. For churches, schools, conferences, and small broadcasters, prioritize straightforward management, stable Ethernet streaming, and the protocols used by your chosen platform over specifications you will not use.