QuantWare and Maybell partner to maximize compute-per-watt performance of VIO-40K systems

Open-architecture partnership ensures Maybell’s ColdCloud^® is commercially available for the VIO-40K^TM system stack, as QuantWare prepares to deliver 10,000-qubit processors in 2028

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Delft, The Netherlands, 24th June 2026 // QuantWare, the industrial quantum processor company, and Maybell Quantum, today announced a partnership to ensure Maybell’s ColdCloud cooling infrastructure is compatible with and commercially available for QuantWare’s VIO-40K processors. By co-designing their respective layers of the stack, processor and cooling, the two drive up compute-per-watt performance of hyperscale quantum computers.

QuantWare's VIO™ QPU architecture makes the world's most powerful quantum processors and achieves orders of magnitude higher qubit density than traditional architectures, fitting 10,000 qubits in a single cryogenic system. By connecting qubit chiplets with high-fidelity chip-to-chip links, VIO scales processors effectively monolithically in a fully silicon-based architecture. On that architecture, QuantWare’s processors are engineered to deliver the compute required for utility-scale applications, with more compute per watt than any alternative. At QuantWare’s VIO-40K scale, compatible cooling infrastructure becomes a key driver for the overall efficiency and operability of data-center scale quantum computers.

Maybell delivers energy-efficient, high-uptime cooling infrastructure with its patented ColdCloud technology. ColdCloud delivers the required cooling power using 90% less electricity and cooling water than conventional systems, and up to 80% less helium-3 per qubit, the scarce isotope critical to dilution refrigerators. With datacenter-class operability, four-to-eight-hour cooldowns, and nodes that remain independent and serviceable while the facility stays online, Maybell's systems achieve 99.9% uptime, eliminating what has historically been a fragile element of the quantum stack.

Maybell’s prototype ColdCloud is in operation in Colorado and they plan a first commercial deployment in 2027, ahead of the first deployments of VIO-40K, targeted for 2028.

“Maybell is incredibly excited to partner with QuantWare as they push quantum processors to the scale useful quantum computing demands,” said Corban Tillemann-Dick, CEO of Maybell. “Our ColdCloud was designed for exactly this: to keep processors cold at a scale, efficiency, and cost that conventional cryogenics cannot match. As QuantWare pushes to 10,000 qubits and beyond, cooling these systems must not be a bottleneck. Maybell is proud that our ColdCloud will ensure it never is.”

"As we approach hyperscale, our customers will judge quantum systems less on quantum-specific metrics and more on the normal laws of economics," said Matt Rijlaarsdam, CEO of QuantWare. "For a 10,000-qubit computer, the questions become: are all the parts reliable and commercially available? Is it ready to deploy and maintain? And above all, how much compute do I get for every dollar I spend and every watt I put in? Open-architecture partnerships like this one with Maybell are how the ecosystem builds the supply chain that delivers the most powerful systems in the shortest time, so our customers can take on humanity's greatest challenges."

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About QuantWare

QuantWare is the industrial quantum processor company. Founded in 2021 by Matt Rijlaarsdam and Alessandro Bruno as a spinout from QuTech at TU Delft, the company designs, fabricates, and integrates quantum processors on VIO™ — the QPU architecture to scale superconducting qubits to utility-scale quantum computing — for the entire ecosystem. QuantWare has shipped more quantum processors than any other commercial supplier, serving more than 50 customers across 20 countries. QuantWare is funded by investors including Intel Capital and IQT and is headquartered in Delft, the Netherlands. www.quantware.com

About Maybell

Maybell is the quantum infrastructure company. Designed without compromise, Maybell’s ColdCloud® delivers ultra-low temperatures with efficiency, reliability, and performance impossible to achieve without our patented technology. This is the infrastructure that qubit builders need to reach utility-scale and beyond. The world's first utility-scale cryogenic architecture, ColdCloud® decouples 4 Kelvin pre-cooling from the millikelvin stages, serving independent nodes below 10 mK from a centralized plant. It is an order of magnitude more efficient and more powerful than any existing sub-Kelvin system and is protected by an extensive U.S. patent portfolio no other organization can replicate.