Summary
Dutch startup QuantWare unveiled VIO-40K, a 3D chiplet stack for superconducting processors targeting up to 10,000 qubits on a single device. By routing control vertically through stacked chiplets and interposer modules, it tackles the 2D I/O bottleneck that consumes area and induces crosstalk. The design supports 40,000 I/O lines with ultra high fidelity chip-to-chip links and claims much better compute per dollar and per watt than stitching many small chips. It reads as a blueprint for an integrated kiloqubit-class processor that addresses cryogenic wiring density and in-fridge control limits.
To build at scale, QuantWare announced KiloFab in Delft, opening in 2026, positioned as Europe’s first industrial-scale fab dedicated to quantum devices under its open QOA standard. The company targets a 20x capacity boost and VIO-40K shipments by 2028. For security leaders, this is meaningful hardware scaling, yet not Q-Day. Breaking modern cryptography needs very large numbers of high quality, error corrected logical qubits, far beyond 10,000 physical qubits, plus advances in fidelities, control electronics, and software. The takeaway: accelerate PQC migration and crypto agility, track credible milestones like VIO-40K and KiloFab, and manage data harvesting risk now.
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See the original article at: https://postquantum.com/engineering-news/quantware-10000qubit/