Bull delivers Finland’s national supercomputer Roihu to CSC’s Kajaani data center
Type: Supply Agreement · Technology: Data Center · Country: Finland · Announced: 2026-04-01
Bull delivered Finland’s national supercomputer, Roihu, to CSC – IT Center for Science’s Kajaani data center under a supply agreement, replacing the existing Mahti and Puhti machines. The system triples CSC’s computing capacity to 49 petaflops of theoretical peak performance, with pilot testing starting in April 2026 and full availability expected by June 2026. Roihu is based on Eviden’s BullSequana XH3000 hybrid platform, featuring 486 CPU nodes with dual 192-core AMD Turin 9965 CPUs and 132 GPU nodes equipped with four Nvidia GH200 Grace Hopper superchips each. Housed alongside EuroHPC’s Lumi supercomputer, Roihu will address national-scale workloads and ensure broad access for Finnish universities and research institutes. Finland’s Minister of Science and Culture, Mari-Leena Talvitie, highlighted the investment as critical for strengthening interdisciplinary research and digital sovereignty. Bruno Lecointe, head of HPC, AI, and quantum computing at Bull, emphasized the collaboration’s role in supporting Europe’s scientific excellence and advanced AI development.
Counterparties
- NVIDIA (Supplier)
- CSC – IT Center for Science (Developer)
- Bull (Supplier)
- AMD (Supplier)