Molex Has Announced 16-Fiber VSFF Connector
The new connector supports high-density co-packaged optics scaling to 3,456 fibers in a 1RU panel.
Updated on Sept. 28, 2026 in Data Centers
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Molex has announced the VersaBeam Mini, a 16-fiber connector designed for space-constrained data center applications. The product is currently in the announcement stage, with sampling set for 2026.
Why it matters
As data centers face increasing pressure for higher bandwidth, this design provides a way to scale optical density within existing 1RU panel architectures. It aims to support the deployment of co-packaged optics and complex optical backbones.
The VersaBeam Mini utilizes Expanded Beam Optical technology in a 3.5 by 9 mm footprint. It features mass-insertion capability allowing technicians to engage 9 connectors, totaling 144 fibers, in a single action.
The players
Molex
A global manufacturer specializing in electronic interconnects, optical solutions, and high-speed data center infrastructure components.
The details
The connector employs Expanded Beam Optical (EBO) technology—an optical design that expands the light signal before it bridges the connection to reduce sensitivity to debris and dust. It uses a Very Small Form Factor (VSFF) architecture to achieve its compact dimensions. This hardware allows for high-density configurations in front-panel switch applications.
Timeline
Limited customer sampling is scheduled to begin in Q4 2026.
General production is expected to begin in the first half of 2027.
The Tech Race
Data center providers are in a race to maximize port density as AI and machine learning workloads demand more throughput. This connector competes by offering a 3x density improvement over previous generation hardware in the same 1RU rack space.
Data center operators and network engineers will see this technology transition from an announcement to a physical product in early 2027. It is designed to change workflows in high-density environments by simplifying mass-insertion tasks for technicians managing complex fiber backbones.
The takeaway
This announcement marks a shift toward higher-density optical interconnects required for modern switch architectures. Watch for Q4 2026 sampling results to see if the hardware meets the reported 3x density improvement in real-world test conditions.
What happens next
Customer sampling is scheduled to begin in Q4 2026, followed by general production in the first half of 2027.
Further reading
Explore the broader shifts in infrastructure efficiency on our Data Centers page.
Source note: This article includes information reported by Electronics Weekly.
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