Choosing among streaming encoders with SDI can be challenging when you need dependable video delivery, flexible protocols, and compatibility with professional cameras and switchers. The right model depends on resolution, connectivity, workflow, and how much control you need over streaming and recording.
We’ve gathered 10 options spanning compact 1080p encoders, 4K-capable systems, multi-input production tools, and versatile SDI-to-IP solutions. Use the guide below to narrow the field by application, features, and budget.
Best 10 Streaming Encoders with Sdi Picks for 2026
Most Versatile
- HDMI and SDI inputs with picture-in-picture mixing
- 4K encoding and up to six streaming destinations
- Simultaneous streaming and recording
Best For: Flexible live productions using mixed HDMI and SDI sources
Best 4K SDI Simplicity
Blackmagic Design Streaming Encoder 4K
- H.264 and H.265 streaming to SRT or RTMP
- DCI 4K streaming up to 60 fps
- SDI and HDMI monitor outputs
Best For: Compact 4K60 SDI streaming with simple physical controls
Best Dual-Channel Value
- 4K HDMI and 3G-SDI inputs up to 30 fps
- NDI HX3/HX2, SRT, and RTMP support
- PoE-enabled Gigabit Ethernet and LCD controls
Best For: Low-latency dual-channel live production setups
Best Dedicated SDI Workflow
Magewell Ultra Encode SDI Plus
- Dedicated 4K SDI encoding up to 30 fps
- Multi-destination streaming with NDI|HX and SRT
- 128 GB storage for recording while streaming
Best For: Professional SDI production and remote contribution workflows
Best All-in-One SDI Encoder
- 3G-SDI and HDMI support up to 1080p60
- Records to SD card or USB storage
- USB-C capture and multi-protocol streaming
Best For: Portable HD streaming and recording setups
Best for Multi-Protocol Streaming
URayCoder USE265-1L SDI Encoder
- Outputs up to four streams simultaneously
- Supports extensive IP streaming protocols
- Adds text, logos, cropping, and video adjustments
Best For: Multi-destination SDI broadcast distribution
Best SDI-to-NDI Hybrid
- Converts between SDI and NDI|HX formats
- Decodes RTMP, RTSP, and SRT to SDI or NDI
- Supports PoE and standalone streaming
Best For: SDI and NDI hybrid production networks
Best 4K SDI Streaming Encoder
Blackmagic Streaming Encoder 4K
- 4K60 H.264/H.265 encoding
- 12G-SDI with standards conversion
- Ethernet and mobile auto-failover
Best For: Professional 4K broadcasts and resilient live-streaming workflows
Best Multi-Stream HD SDI Encoder
- 1080p60 H.264/H.265 encoding
- Three simultaneous video streams
- Broad protocol and overlay support
Best For: HD broadcasts distributed to multiple streaming platforms
Best SDI Encoder-Decoder
- SDI encoding and decoding for SRT, RTMP(S), and RTSP
- SDI-to-UVC and UVC-to-SDI conversion
- PoE and standalone professional operation
Best For: Hybrid SDI, IP video, and computer-based production workflows
Most Versatile – Magewell Ultra Encode AIO
The Magewell Ultra Encode AIO is a flexible choice among streaming encoders with SDI, especially when a production also needs HDMI, 4K support, recording, and multiple streaming protocols. It can use either input alone or combine both with picture-in-picture or side-by-side layouts.
Best For: Live producers needing HDMI/SDI flexibility, multi-destination streaming, and onboard recording.
Pros:
- Accepts HDMI and SDI inputs, with dual-input mixing options.
- Supports 4K encoding, including SDI up to 4096×2160p30.
- Streams to up to six destinations using protocols such as RTMP, RTMPS, SRT, NDI|HX, and HLS.
- Can stream and record simultaneously to SD cards, USB storage, or network drives.
Cons:
- Its broad feature set may be more than simple single-source setups require.
- SDI 4K support is limited to 30 fps, while HDMI supports up to 60 fps.
Choose this model when input flexibility and integrated production tools matter as much as encoding. Overlay support, networking options, and rack-mountable hardware make it adaptable for more involved live workflows.
Best 4K SDI Simplicity – Blackmagic Design Streaming Encoder 4K
The Blackmagic Design Streaming Encoder 4K is a compact option for buyers comparing streaming encoders with SDI that also want HDMI and straightforward control. It supports H.264 and H.265 streaming to SRT or RTMP, with DCI 4K streaming up to 60 fps.
Best For: SDI and HDMI workflows that prioritize 4K60 streaming and simple front-panel operation.
Pros:
- Supports H.264 and H.265 streaming to SRT or RTMP.
- Handles DCI 4K streaming at up to 60 fps.
- Includes SDI and HDMI monitor outputs.
- Offers USB-C phone tethering and webcam output.
Cons:
- Its listed streaming protocols are narrower than some multi-protocol competitors.
- The supplied notes do not specify onboard recording or multi-destination streaming.
This is a focused choice for productions that need high-resolution SDI-based streaming without the larger feature list of an all-in-one production encoder. The front buttons and spin knob also support hands-on setup and monitoring.
Best Dual-Channel Value – KILOVIEW E3 4K Encoder
The KILOVIEW E3 is a practical pick among streaming encoders with SDI for setups that need dual-channel connectivity, 4K HDMI input, and 3G-SDI support. Its NDI HX3/HX2, SRT, and RTMP support is aimed at low-latency delivery across common production workflows.
Best For: Live applications needing dual HDMI/SDI connectivity, PoE, and low-latency streaming.
Pros:
- Supports 4K HDMI and 3G-SDI inputs up to 3840×2160p30.
- Includes NDI HX3/HX2, SRT, and RTMP protocols for flexible delivery.
- Gigabit Ethernet with PoE can provide network connectivity and power.
- Front 1.14-inch LCD and touch buttons simplify configuration and monitoring.
Cons:
- 4K input support is listed at up to 30 fps.
- The supplied specifications do not mention onboard recording.
- Its 3G-SDI specification may be less suitable for higher-bandwidth SDI formats.
The E3 stands out when dual-channel integration and operational simplicity are priorities. PoE and low-latency protocol support can be particularly useful for installed, remote, or interactive streaming environments.
Best Dedicated SDI Workflow – Magewell Ultra Encode SDI Plus
The Magewell Ultra Encode SDI Plus is purpose-built for buyers who want a dedicated SDI option among streaming encoders with SDI. It combines 4K SDI encoding with multi-protocol streaming, 128 GB internal storage, NDI|HX integration, and PoE for professional and installed workflows.
Best For: Professional SDI-only production, remote contribution, and installations requiring recording and network flexibility.
Pros:
- Encodes SDI video up to 4096×2160p30 using H.264 or H.265.
- Streams to multiple destinations through RTMP, RTMPS, SRT, NDI|HX, HLS, and TS over UDP/RTP.
- Records while streaming to its 128 GB internal storage, USB media, or network locations.
- Offers Gigabit Ethernet with PoE, Wi-Fi, 4G/5G modem support, web control, and API access.
Cons:
- It is an SDI-input device rather than a combined HDMI/SDI encoder.
- 4K SDI encoding is limited to 30 fps.
- 4G/5G USB modems are supported but not supplied.
For SDI-centered systems, this model delivers a strong mix of encoding, contribution, recording, and control features in a compact standalone chassis. It is especially well suited to professional AV, broadcast, education, and remote-production deployments.
Best All-in-One SDI Encoder – LILLIPUT AVMATRIX SE2017
If you need streaming encoders with SDI for a compact production setup, the LILLIPUT AVMATRIX SE2017 combines 3G-SDI and HDMI inputs with recording and webcam-style USB-C capture. It supports video up to 1080p60 and can stream to multiple platforms using several common protocols.
Best For: Creators and small production teams that want SDI/HDMI streaming, local recording, and flexible connectivity in one portable unit.
Pros:
- Supports 3G-SDI and HDMI input/output up to 1080p60.
- Records to SD cards or USB storage while also supporting network streaming.
- Offers USB-C video capture, PoE, onboard controls, and an OLED status screen.
- Supports RTMP, SRT, RTSP, HTTP-FLV, unicast, and multicast, with streaming to up to six platforms.
Cons:
- Maximum video resolution is 1920 x 1080 rather than 4K.
- The feature set may be more than needed for a basic single-platform stream.
The SE2017 is a versatile choice when you want one device to handle SDI and HDMI sources, streaming, recording, and computer capture. Its 1080p60 ceiling makes it best suited to HD workflows.
Best for Multi-Protocol Streaming – URayCoder USE265-1L SDI Encoder
For broadcast workflows that need streaming encoders with SDI and broad delivery options, the URayCoder USE265-1L accepts an SDI source and can produce up to four simultaneous video streams. Each stream can use a different protocol and destination, giving operators considerable distribution flexibility.
Best For: Broadcasters and integrators distributing one SDI source to multiple platforms, servers, or network destinations.
Pros:
- Supports H.264 and H.265 encoding for SD and HD video.
- Can output four video streams simultaneously with different protocols.
- Includes HTTP, RTSP, RTMP(S), SRT, HLS, UDP, RTP, multicast, unicast, and other protocol support.
- Provides stream customization such as text, logos, time overlays, cropping, rotation, and bitrate adjustment.
Cons:
- Uses a single SDI port and is designed around SDI input rather than HDMI connectivity.
- The notes do not specify a maximum supported resolution or frame rate.
The USE265-1L stands out for distribution flexibility rather than an all-in-one recording feature set. Its multi-stream output and extensive protocol support make it a strong fit for more complex IP delivery environments.
Best SDI-to-NDI Hybrid – Zowietek ZowieBox SDI NDI
The Zowietek ZowieBox is a flexible option among streaming encoders with SDI, especially for productions moving between SDI, NDI, and IP video. It can encode SDI to NDI or decode NDI and supported network streams to SDI, while also offering PoE and standalone streaming operation.
Best For: Live production teams integrating SDI cameras and devices with NDI|HX or SRT, RTMP(S), and RTSP workflows.
Pros:
- Converts SDI to NDI and decodes NDI to SDI, supporting NDI|HX formats.
- Can decode RTMP, RTSP, and SRT streams into NDI and SDI.
- Supports standalone streaming, PoE, USB-C power, and tripod mounting.
- Can convert UVC camera output to SDI at up to 1080p60 in decoding mode.
Cons:
- It cannot encode and decode simultaneously; users must switch operating modes.
- It supports NDI|HX formats but not full-bandwidth NDI|HB.
- USB capture card functionality is not supported.
ZowieBox is best viewed as a compact SDI/IP workflow bridge rather than a conventional encoder alone. Its NDI|HX, network-decoding, and PoE features are useful when compatibility with an existing production network matters.
Best 4K SDI Streaming Encoder – Blackmagic Streaming Encoder 4K
For buyers seeking streaming encoders with SDI, the Blackmagic Design Streaming Encoder 4K is a feature-rich choice for professional 4K and HD workflows. It accepts 12G-SDI signals up to DCI 4K60, encodes in H.264 or H.265, and streams through SRT or RTMP without requiring a separate encoding PC.
Best For: 4K broadcast, live events, and production teams that need standards conversion, redundant connectivity, and remote-control features.
Pros:
- Supports H.264 and H.265 streaming up to 2160p60 through SRT or RTMP.
- 12G-SDI input, loop output, and Teranex standards conversion support varied source and target formats.
- Gigabit Ethernet and USB-C smartphone tethering offer automatic internet failover.
- Includes closed-caption embedding, timecode, REST API control, tally, talkback, and USB webcam output.
Cons:
- Its professional feature set may be more than a basic streaming setup requires.
- Mobile connectivity requires a compatible smartphone and data connection.
This is the strongest fit of the three for high-resolution SDI production environments. Its broad control, monitoring, and failover features add flexibility for demanding broadcasts, while the compact 1/3 RU design keeps installation practical.
Best Multi-Stream HD SDI Encoder – AVMATRIX SE1117
The AVMATRIX SE1117 is a practical option among streaming encoders with SDI for HD productions. It supports encoding up to 1080p60, multiple streaming protocols, and up to three simultaneous video outputs, making it useful when one SDI source needs to reach several platforms or destinations.
Best For: HD live streaming to multiple platforms, including social, enterprise, and private streaming services.
Pros:
- Supports video encoding up to 1080p60 with H.264 and H.265 codecs.
- Can output up to three video streams simultaneously.
- Works with HTTP, RTSP, RTMP, RTMPS, SRT, UDP, RTP, multicast, and unicast protocols.
- Provides HDMI loop-out plus custom image and text overlays.
Cons:
- Maximum listed resolution is 1080p, so it is not intended for 4K streaming.
- The supplied details identify HDMI as the connector type despite the SDI-focused model description.
Choose the SE1117 when distribution flexibility matters more than Ultra HD resolution. Its multi-stream output and extensive protocol support suit broadcasters and creators who need to send an HD feed to several destinations at once.
Best SDI Encoder-Decoder – Zowietek ZowieBox
The Zowietek ZowieBox is a versatile SDI-only unit for buyers who need more than one-way streaming. It can encode SDI to SRT, RTMP(S), or RTSP, decode those streams back to SDI, and convert SDI to a UVC webcam feed for software-based production workflows.
Best For: Hybrid broadcast setups that move between SDI equipment, IP streams, and USB-based conferencing or streaming applications.
Pros:
- Supports SDI encoding to SRT, RTMP(S), and RTSP, plus reverse decoding to SDI.
- SDI-to-UVC and UVC-to-SDI conversion expands compatibility with computers and broadcast equipment.
- H.264/H.265 encoding, SDI loopout, and standalone operation support professional deployments.
- PoE, USB Type-C, and DC power options provide flexible installation choices.
Cons:
- It is designed around SDI connectivity and may not suit HDMI-centered systems.
- The supplied package details list a U.S.-specific power supply.
ZowieBox stands out for workflow conversion rather than simply sending one SDI feed online. Its encoder, decoder, and UVC functions make it a strong choice for productions that combine professional SDI gear with IP streaming and computer-based applications.
How We Picked the Best Streaming Encoders with Sdi
We focused on encoders with a genuine SDI input and practical support for live video workflows. The selection includes models for 1080p and 4K production, with attention to codec support, streaming protocols, recording, network connections, and compatibility with common broadcast equipment.
We also considered workflow flexibility. Some units are designed for straightforward SDI-to-streaming conversion, while others add HDMI inputs, NDI support, dual-channel encoding, decoding, audio-only streaming, or mobile connectivity. These differences can matter more than headline resolution in a real production environment.
Quick Comparison
- Best for flexible all-in-one production: Magewell Ultra Encode AIO.
- Best for professional 4K workflows: Magewell Ultra Encode SDI Plus or Blackmagic Design Streaming Encoder 4K.
- Best for compact 1080p streaming: AVMATRIX SE1117.
- Best for dual-channel or HEVC applications: the E3 Dual-Channel 4K encoder.
- Best for NDI-based systems: a Zowietek ZowieBox or Magewell model with NDI support.
- Best for budget-oriented SDI-to-IP conversion: a basic H.264/H.265 3G-SDI encoder.
Key Buying Factors for Streaming Encoders with Sdi
Resolution, Frame Rate, and Codec
Confirm that the encoder supports the signal from your camera, switcher, or router. A 1080p60 workflow does not require a 4K model, while 4K production benefits from an encoder that supports the required frame rates and bandwidth. H.264 remains broadly compatible; H.265 can reduce bitrate but may have narrower playback and platform support.
Streaming Protocols and Destinations
RTMP is widely accepted by streaming platforms, while SRT is useful for more resilient contribution over unpredictable networks. RTSP, UDP, HLS, and NDI can be valuable for IPTV, internal distribution, monitoring, and networked production. Check whether the encoder supports your intended destination directly.
Inputs, Outputs, and Audio
Look for loop-through SDI, HDMI compatibility, embedded audio support, and any required analog or digital audio connections. Dual inputs or mixing can simplify live production, but a single-input unit may be smaller and easier to deploy.
Network, Recording, and Control
Gigabit Ethernet is important for high-bitrate or 4K streams. PoE can simplify installation, while Wi-Fi or mobile support helps with field work. If you need backup files, confirm recording media, file formats, and whether recording can happen while streaming.
Who Should Buy Which Streaming Encoders with Sdi?
Choose a compact 1080p encoder if you primarily stream conferences, worship services, classrooms, interviews, or camera feeds. Pick a 4K-capable model when your production chain already uses UHD or when you want additional headroom for high-quality contribution. Multi-input units make more sense for live producers who need source flexibility or basic switching, while NDI-enabled products suit facilities already built around IP video.
Before buying, verify SDI standards, cable lengths, network capacity, platform requirements, and power options. Matching those details to your existing setup will produce a more reliable result than choosing solely by resolution or brand.