• IBM connected and cooled two modular cryogenic systems, advancing its scale-up plan for fault-tolerant quantum computing.
• Linked modules target hundreds of quantum chips in a shared environment, supporting IBM’s plan to deliver Quantum Starling in 2029.
• Initial tests reached 4 Kelvin in under five days, then dropped below 15 millikelvin; combined system measures more than 8 feet tall.
• Each module provides up to 12 times more wiring space than widely used IBM quantum systems, enabling more chip-to-chip connections.
• Roadmap targets at least 1,000 programmable qubits by 2027 via L-couplers; Nighthawk processors slated for installation later this year.

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