Each D-Wave 2000Q QPU is fabricated with **2048 quantum bits (qubits) and 6016 couplers**.

Of this total, the number of devices, and the specific set of devices, that can be made available in the working graph changes with each system cool-down and calibration cycle. Calibrated commercial systems typically have more than 97% of fabricated qubits available in their working graphs. Yields significantly higher than this are not guaranteed.

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