Swiss engineering group Stäubli has stepped up its push into high-performance data centre infrastructure with the launch of a new micro quick-disconnect connector, part of a broader effort to standardise next-generation liquid-cooling systems used in artificial intelligence (AI) and advanced computing.
The new connector, known as the Mini-QD, was unveiled at last month’s Open Compute Project (OCP) Global Summit, where US networking group Ciena introduced it as a key component of its new liquid-cooled OSFP optical module. Stäubli will lead the standardisation initiative for the Mini-QD, a move aimed at advancing the adoption of compact, high-performance liquid-cooling technology across the data centre industry.
The announcement came alongside the release of the OCP’s updated Universal Quick Disconnect (UQD) v2 specification, an evolution of the 2020 standard developed by a working group including Stäubli, Parker, and CPC. The revision introduces stricter testing protocols, tighter flow-performance limits, and standardised connector geometry, all designed to enhance reliability and cross-compatibility among suppliers.
The Mini-QD represents a shift towards liquid cooling at the component level, allowing direct thermal management of next-generation optical pluggable modules such as OSFP and QSFP devices. These components are expected to deliver data rates of up to 1.6 terabits per second by 2027—levels that exceed the practical limits of conventional air cooling.
By integrating liquid cooling directly into these optical modules, Stäubli’s Mini-QD helps remove the thermal bottlenecks that have constrained system density and bandwidth growth in data centres. The connector is designed with scalability and interchangeability in mind, enabling other manufacturers to adopt a shared interface once standardisation is complete.
“As compute densities and power levels rise, it’s no longer enough to innovate in isolation,” said Nicolas Monnier, Head of IT Cooling at Stäubli. “The industry depends on open standards that evolve as quickly as the technologies they enable. Our work with Ciena on the Mini-QD, and our contribution to the next generation of the UQD specification, demonstrate how collaboration drives progress across the ecosystem.”
Together, the Mini-QD and UQD v2 developments underscore growing momentum toward interoperable, high-reliability components for AI and high-performance computing systems—sectors that are expected to see exponential growth in thermal and power demands over the coming years.
Stäubli will showcase its latest quick-disconnect technologies, including the UQD v2 range, at the SC25 Supercomputing Conference in St. Louis, Missouri, from 16th to 21st November. The company will also highlight its TDU50 connector, designed for cooling racks of up to 780kW, as it targets data centres preparing for the next generation of AI-driven workloads.
With engineering and manufacturing operations in North America, Europe, and Asia, Stäubli has positioned itself as a leading supplier to original equipment manufacturers, hyperscalers, and system integrators transitioning to liquid-cooled infrastructure.
