COMPUTE ATLAS Supercomputer supply-chain graph
1153 systems 482 sites Sourced data

Supercomputers/By country/United Kingdom

57 systems

United Kingdom

45 of 57 systems we track in United Kingdom are currently running, with a combined Rmax of 408.3 PFlop/s (2.3% of the running Rmax across every country in this dataset). 18 sites here are located on the map.

RSS for United Kingdom

11 of these areAI datacenters. 8 quantum computers are recorded here: Oxford Ionics QUARTET (Trapped ion), Infleqtion Sqale at NQCC (Neutral atom, 100 qubits), ORCA PT-2 at NQCC (Photonic), Quantum Motion at NQCC (Silicon spin), OQC Toshiko (Superconducting, 32 qubits), Rigetti 24-Qubit Testbed at NQCC (Superconducting, 24 qubits), Aegiq ARTEMIS at NQCC (Photonic), QuEra Testbed at NQCC (Neutral atom).

Systems

SystemOperatorRmaxStatusFirst operational
Zenith University of Cambridge - operational 2026-08
Sunrise UKAEA 34.77 PFlop/s operational 2026-06
Cirrus EPCC 4.12 PFlop/s operational 2025-12
Nebius Longcross UK Cluster Nebius - operational 2025-11
Killellan AI Growth Zone Argyll Data Development - planned -
Mary Coombs STFC Hartree Centre - operational 2025-10
Microsoft Azure AI supercomputer (Loughton, UK) Microsoft - under construction -
UK Next National Supercomputer EPCC - under construction -
Isambard-AI Phase 2 University of Bristol 216.5 PFlop/s operational 2025-06
Met Office Azure Supercomputer Met Office - operational 2025-05
Aire (Leeds) University of Leeds - operational 2025-02-06
Isambard 3 University of Bristol - operational 2025-01
Iridis 6 University of Southampton - operational -
Isambard-AI University of Bristol 7.42 PFlop/s operational 2024-07
Double Helix Genomics England - operational 2024-05
Dawn University of Cambridge 19.46 PFlop/s operational 2024-01
Njoerd Northern Data Group 78.20 PFlop/s operational 2024
Stanage University of Sheffield - operational 2023-04
EPCC Cerebras CS-2 Cluster EPCC - operational 2022-09
AWE Vulcan AWE - operational 2021-12
ARCHER2 EPCC 19.54 PFlop/s operational 2021-11
Sulis University of Warwick - operational 2021-11
Baskerville University of Birmingham 2.34 PFlop/s operational 2021-09
Cambridge-1 NVIDIA 9.68 PFlop/s operational 2021-07-07
COSMA8 Durham University - operational 2021
Tursa EPCC 5.23 PFlop/s operational 2021
Wilkes-3 University of Cambridge 2.29 PFlop/s operational 2021
Kelvin2 NI-HPC - operational 2020-10
Kathleen UCL - operational 2020-01
JADE2 University of Oxford 1.47 PFlop/s operational 2020
Peta4 University of Cambridge 1.70 PFlop/s upgraded 2017-11
Wilkes-2 University of Cambridge 1.19 PFlop/s operational 2017
AWE Damson AWE 3.24 PFlop/s operational 2017
Iridis 5 University of Southampton 860.00 TFlop/s operational 2017
Met Office Cray XC40 Met Office 7.04 PFlop/s decommissioned 2016
ECMWF Cray XC40 ECMWF 3.94 PFlop/s decommissioned 2016
Grace (UCL) UCL 341.30 TFlop/s operational 2015-12
ARCHER EPCC 1.64 PFlop/s decommissioned 2013-11
Wilkes University of Cambridge 239.90 TFlop/s decommissioned 2013
Blue Joule STFC Hartree Centre 1.21 PFlop/s decommissioned 2012
DiRAC BlueGene/Q EPCC 1.07 PFlop/s decommissioned 2012
HECToR EPCC 660.24 TFlop/s decommissioned 2007-10
HPCx EPCC 3.24 TFlop/s decommissioned 2002-12
ECMWF VPP5000/100 ECMWF 886.0 GFlop/s decommissioned 2000
CSAR Cray T3E-1200E University of Manchester 671.0 GFlop/s operational 1998
ECMWF VPP700/116 ECMWF 213.0 GFlop/s operational 1996-09
farm22 Wellcome Sanger Institute - operational -
Bede N8 CIR - operational -
Imperial HX1 Imperial College London - operational -
Imperial CX3 Imperial College London - operational -
CSF3 University of Manchester - operational -
Myriad UCL - operational -
Apocrita Queen Mary University of London - operational -
BlueBEAR University of Birmingham - operational -
Oxford ARC University of Oxford - operational -
Hawk (Cardiff) Cardiff University - operational -
Sunbird Swansea University - operational -

Sites

Country is recorded on each system row, following where the operator is headquartered or the site is sited, not supplier nationality. See all countries or domestic substitution for how much of each country's compute is fully domestically supplied.