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Commercializing Multi-Core Diamond Quantum Computers
German hardware manufacturer SAXON Q has commercially launched its SXQ128 and SXQ512 systems, scaling room-temperature quantum computing up to 128 and 512 qubits, respectively. The announcement marks the first time quantum processors built on diamond nitrogen-vacancy (NV) center technology have crossed the 10-qubit threshold in a commercial product.
The new machines operate without the specialized infrastructure that typically constrains quantum hardware. Rather than relying on massive cryogenic cooling units or vacuum chambers, SAXON Q’s architectures sit inside standard server racks, plug into routine electrical outlets, and operate continuously in ambient room environments.
Breaking the Diamond Manufacturing Bottleneck
Historically, diamond NV-center quantum computing faced severe manufacturing hurdles. The technology creates quantum bits by utilizing microscopic atomic defects within synthetic diamond lattices, manipulating electron and nuclear spins at room temperature. However, converting implanted nitrogen atoms into functional qubit centers yielded conversion rates between just 1% and 10%.
SAXON Q resolved this scaling constraint using a patented sulfur co-implantation technique. This process pushes qubit creation yields past 85%, enabling high-density, predictable manufacturing. The resulting NV-center qubits achieve a single-gate fidelity of up to 99.92%, averaging fewer than one error per 1,000 operations and maintaining state stability long enough to run complex algorithmic tasks.
Multi-Core Architecture and Real-World Applications
The SXQ128 and SXQ512 run on a multi-core operating system that coordinates quantum processing cores simultaneously. Within these systems, the SXQ128 provides eight fully entangled qubits per core, while the higher-capacity SXQ512 delivers 16 fully entangled qubits per core.
Because the system is modular, organizations can deploy initial quantum hardware and upgrade capacity over time by adding cores or upgrading diamond chips. Target workloads for the platforms include quantum convolutional neural networks (QCNNs), complex material research, variational algorithms, and quantum chemistry simulations.
According to SAXON Q, the systems deliver 6x to 10x better energy efficiency than equivalent GPU hardware clusters running similar workloads.
Proven Field Operations and Market Availability
The commercial launch follows real-world deployments of earlier SAXON Q hardware at research facilities like the German Aerospace Center (DLR) and Fraunhofer IWU.
“We began using a Saxon Q mobile quantum computing system in June 2025 for industrial optimization in material processing and robotics,” said Albrecht Hänel, Head of Digital Production Twin at Fraunhofer IWU. “The system has operated at room temperature continuously since installation — and has exceeded the gate fidelity specifications we outlined in the tender.”
Supported by a portfolio of over 220 patents and pending applications, SAXON Q aims to scale its architecture toward 10,000-qubit systems and eventual chip-scale coprocessors.
Commercial orders are open for both models. Delivery for the SXQ128 begins within three months of ordering, while shipments for the SXQ512 are slated to start in the second quarter of 2027.
