Quick answer
For a studio that needs zero-latency SDI routing across many sources, the Blackmagic Videohub 80×80 12G is the top choice. If you need a compact, cost-effective Ethernet-based switcher for edge applications, the Extreme Networks X440-G2-12p-10GE4 is a strong alternative. For live production that simulates multi-camera angles from a single 4K source, the Datavideo KMU-300 offers unique ROI capabilities.
What to consider before choosing a 12G video router
A 12G video router handles high-bandwidth SDI signals up to 4K, but not all routers are created equal. Your choice should depend on the number of sources you need to route, the latency requirements, and whether you need additional features like region-of-interest (ROI) cropping or Ethernet switching.
If you work with live events or post-production, zero-latency switching is critical. For campus or edge networking, an Ethernet-based switcher with Gigabit ports might be more appropriate. Be aware that some routers lack built-in scaling or audio embedding, so plan your signal chain accordingly.
Decision rules for picking your 12G video router
- Assess your signal count and format: Count how many SDI sources you need to route now and in the next two years. If that number exceeds 20, the Blackmagic Videohub 80×80 12G provides ample headroom. For fewer than 10 sources, the Blackmagic Videohub Mini 8×4 12G is more compact and cost-effective. Scale your router size to your current and near-future needs to avoid overpaying or outgrowing too quickly.
- Determine if you need zero latency: For live broadcast and real-time production, zero-latency switching is non-negotiable. Both Blackmagic Videohub models deliver that. The Extreme Networks X440-G2-12p-10GE4 introduces network latency, which may be acceptable for non-real-time or asynchronous workflows.
- Evaluate ROI (Region of Interest) needs: If you want to simulate multiple camera angles from a single 4K source (e.g., for a talk show or lecture recording), the Datavideo KMU-300 lets you crop 4K into several Full HD streams. No other router here does that natively. Use the KMU-300 only if you need ROI extraction; otherwise, a standard router is simpler and cheaper.
- Consider your network infrastructure: If your studio already uses IP video (NDI, SRT, or uncompressed over 10GbE), the Extreme Networks X440-G2-12p-10GE4 integrates smoothly. If you rely on direct SDI cabling, stick with a dedicated SDI router like the Blackmagic Videohub series. Mixing SDI and IP requires a gateway; decide early which ecosystem you'll standardize on.
Product facts at a glance
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Blackmagic Design Videohub 80×80 12G – Grille de commutation: The Blackmagic Design Videohub 80×80 12G is a zero-latency video routing matrix that supports any combination of SD, HD, and Ultra HD signals simultaneously across 80 12G-SDI inputs and 80 outputs, with redundant power and reference connections. This means you can build a large, future-proof studio routing infrastructure without signal conversion delays, ideal for multi-format live productions.
Blackmagic Design Videohub 80×80 12G – Grille de commutation
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Extreme Networks X440-G2-12p-10GE4 – Switcher Vidéo: The Extreme Networks X440-G2-12p-10GE4 is an Ethernet-based switcher with 12 Gigabit Ethernet ports, designed for cost-effective campus edge networking rather than native SDI routing. If your studio relies on IP-based video (e.g., NDI or SRT) rather than direct SDI, this switcher provides a flexible and budget-friendly alternative to dedicated SDI routers.
Extreme Networks X440-G2-12p-10GE4 – Switcher Vidéo
Who should buy what?
Best for
- Large broadcast or post-production studios needing massive, zero-latency SDI routing: Blackmagic Videohub 80×80 12G
- Campus or edge networks that switch IP video on a budget: Extreme Networks X440-G2-12p-10GE4
- Live event producers who want multi-camera angles from one 4K source: Datavideo KMU-300
Not for
- Small studios with fewer than 8 SDI sources: the 80×80 is overkill; consider the Blackmagic Videohub Mini 8×4 12G instead
- Pure SDI workflows: the Extreme Networks X440-G2-12p-10GE4 lacks SDI ports and requires IP conversion




