The 2V Josephson junction array chip (without the needed cryocoolers or support machinery) is $28,600 [1]. Full system is a bit under $300,000, without includin

The 2V Josephson junction array chip (without the needed cryocoolers or support machinery) is $28,600 [1]. Full system is a bit under $300,000, without including installation, calibration, or training costs. They do still need calibration to ensure they're measuring the output voltage properly. [1] https://www.nist.gov/sri/standard-reference-instruments/sri-6000-series-programmable-josephson-voltage-standard-pjvs https://www.nist.gov/sri/standard-reference-instruments/sri-...