MMC Connectors for Hyperscale AI Data Centers | Corning

High-Density MMC Connector Ecosystem for AI Infrastructure

High-Density MMC Connector Ecosystem for AI Infrastructure

It’s clear that Very Small Form Factor (VSFF) connectors are at the forefront of Hyperscale Data Center design. As rack architecture evolves, new connectors are essential for Scale Out, Up, and Across applications — driving demand for innovative solutions. Corning is at the forefront, offering advanced options for high-density connectivity.

MPO connectors have long been the industry standard for high‑density, multifiber connectivity. As data center architectures scale to support AI workloads, MMC connectors have emerged as a leading technology, delivering up to 3× the density of traditional MPO solutions within the same footprint. Designed by US Conec and integrated into Corning solutions, the compact 16- to 32-fiber MMC connector enables rapid expansion for high‑bandwidth AI applications.

When combined with multicore fiber, MMC platform solutions extend these capabilities even further, supporting higher‑density architectures in increasingly compact spaces.

Next‑generation AI architectures are driving inside‑the‑box photonics, including Co-packaged Optics (CPO) and Near‑Packaged Optics (NPO). The MMC Connector with PRIZM® TMT ferrule extends the MMC platform with a lens‑based expanded beam interface that enables passive alignment, debris tolerance, scalable manufacturing, and blind‑mate connectivity as architectures evolve.

The High-Density MMC Connector Solution

The ganged MMC connector is specifically engineered to address the critical challenges of maximizing density while ensuring seamless deployment in structured cabling systems. Featuring a compact design and advanced precision alignment, the ganged MMC connector enables faster installation and simplifies complexity in high-density environments. Offering significantly higher port density, it allows network designers to optimize rack space while ensuring flexibility for future scalability.

Ganged MMC connectors further enhance efficiency by enabling simultaneous removal and insertion, saving both time and space. By incorporating increased fibers per ferrule, the MMC connector significantly boosts density, reducing its size by nearly 50% compared to traditional MPO connectors. This cutting-edge solution delivers unparalleled performance and reliability, making it the ideal choice for modern, professional cabling systems.

DirectConec™
 *Images courtesy of US Conec

How the MMC Connector Works

The TMT ferrule format inherits its alignment structure from the proven MT and MT-16 ferrules used in MTP® and MTP®-16 applications. Engineered for durability, its innovative shoulder design ensures precise polishing and mechanical integrity for repeated insertion and extraction cycles. Notable features include a 250-micron pitch, compatibility with 250-, 200-, and 165-micron fibers, and intermateability with corresponding MT and MT-16 formats. With low insertion loss for both single-mode APC and multimode APC applications, TMT ferrules offer versatile solutions for various fiber optic needs.

FAQs

MMC Connector Cleaning Guide

This guide is to be used as a reference on how to perform proper cleaning techniques for MMC Connectors, recommended materials, and more information.

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