64-qubit Tenor Powers Italy’s Largest Quantum Computer, Milestone Delivery Demonstrating the Strength of the Quantum Open Architecture Model
Delft, The Netherlands - 30 September 2025 // QuantWare, the highest-volume supplier of quantum processing units (QPUs) worldwide, has today announced the delivery of its 64-qubit Tenor QPU to the University of Naples Federico II (Unina), powering Italy's largest quantum computer. The Tenor now operating at the University of Naples is the first in a broader rollout by QuantWare to its early-access partners.
The Tenor-powered quantum computer at the University of Naples (Unina) is a product of the Quantum Open Architecture (QOA) model, which significantly lowers the time and capital required to build world-class systems. Just a few years ago, before QOA players like QuantWare entered the market, any organization seeking a quantum computer had to either buy a closed system from a full-stack provider or build one from scratch. Both options were too time and capital intensive for most organisations to become widely adopted. The Quantum Open Architecture is changing that, and this quantum computer at the University of Naples is a great example of how the QOA model is putting world-class quantum computers in the hands of a much wider ecosystem.
“Building Italy's largest quantum computer required a processor that was not only powerful, but commercially available and ready for integration.” said Prof Francesco Tafuri, head of Quantum Computing Napoli (QCN) Laboratory at the Department of Physics “Ettore Pancini" of the University of Napoli “Federico II”. “QuantWare's Tenor QPU significantly accelerated our timeline and allowed us to focus on building the system and its applications”.
"Our goal is to empower the entire ecosystem," said Matt Rijlaarsdam, CEO of QuantWare. "Through the Quantum Open Architecture, we empower the whole ecosystem to innovate and build upon our processors. This milestone shows the effectiveness of that approach: the University of Naples is now operating a quantum computer that is beyond most of the systems built by closed architecture players.”
The Tenor QPU is now available for pre-order at the QuantWare website: https://www.quantware.com/product/tenor
Editors Notes
About QuantWare:
QuantWare is building the world’s most powerful quantum processors, and is today the highest-volume supplier of quantum processor units (QPUs) worldwide, with customers in more than 20 countries. Its unique VIO 3D scaling architecture is the only technology that unlocks MegaQubit-scale, ultra-high-speed quantum processors, delivering exponentially more performance per Watt per dollar invested. VIO paves the way for the hyper-scale quantum computers that will solve humanity's greatest challenges. The company was founded in 2021 by quantum computing experts Matt Rijlaarsdam and Alessandro Bruno as a spin-out from QuTech, a globally-leading quantum computing research institute, part of TU Delft in the Netherlands. The company has won multiple awards, including the Deloitte Technology Fast 50 Rising Star award in 2024.
About The University of Naples:
The University of Naples Federico II is a public research university in Naples, Campania, Italy. Established in 1224 and named after its founder, Frederick II, it is the oldest public, secular, non-sectarian or state-funded university in the world, and one of the world's ten oldest universities in continuous operation.
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