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IBM Q System One
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<p>IBM Quantum System One is the first <a href="/facts/Quantum_circuit/yuFDFFPa">circuit</a>-based commercial <a href="/facts/Quantum_computing/nbbcgmvq">quantum computer</a>, introduced by <a href="/facts/IBM/QszA7nwd">IBM</a> in January 2019. </p><p>This integrated quantum computing system is housed in an airtight borosilicate glass cube that maintains a controlled physical environment. Each face of the cube is 9 feet (2.7 m) wide and tall. A cylindrical protrusion from the center of the ceiling is a <a href="/facts/Dilution_refrigerator/s0RYbDAY">dilution refrigerator</a>, containing a 20-<a href="/facts/Qubit/WveeEubw">qubit</a> <a href="/facts/Transmon/qXvVskQh">transmon</a> quantum processor. It was tested for the first time in the summer of 2018, for two weeks, in <a href="/facts/Milan/0xrtbPdt">Milan</a>, <a href="/facts/Italy/tUf0PDYF">Italy</a>. </p><p>IBM Quantum System One was developed by <a href="/facts/IBM_Research/4DaaL58U">IBM Research</a>, with assistance from the <a href="/facts/Map_Project_Office/QGAKPt8b">Map Project Office</a> and Universal Design Studio. <a href="/facts/CERN/y1gwRchm">CERN</a>, <a href="/facts/ExxonMobil/0qXyFrM4">ExxonMobil</a>, <a href="/facts/Fermilab/8yyTx3oj">Fermilab</a>, <a href="/facts/Argonne_National_Laboratory/EAoR1Rnm">Argonne National Laboratory</a> and <a href="/facts/Lawrence_Berkeley_National_Laboratory/tvjPSwC9">Lawrence Berkeley National Laboratory</a> are among the clients signed up to access the system remotely. </p><p>From April 6 to May 31, 2019, the <a href="/facts/Museum_of_Science_(Boston)/hLDyMfKf">Boston Museum of Science</a> hosted an exhibit featuring a replica of the IBM Quantum System One. On June 15, 2021, IBM deployed the first unit of Quantum System One in <a href="/facts/Germany/paluuWBX">Germany</a> at its headquarters in <a href="/facts/Ehningen/znbzk2lm">Ehningen</a>. On April 5, 2024, IBM unveiled a Quantum System One at the <a href="/facts/Rensselaer_Polytechnic_Institute/e3smoUMm">Rensselaer Polytechnic Institute</a>, the first IBM quantum system on a university campus. </p>