IT4Innovations National Supercomputing Center provides Czech and foreign research teams, from both academia and industry, with state-of-the-art HPC and data analysis technologies and services. IT4Innovations currently operates four supercomputers - Anselm (launched in summer of 2013, 94 TFlop/s), Salomon (launched in summer of 2015, 2 PFlop/s), Barbora (launched in autumn of 2019, 849 TFlop/s), and NVIDIA DGX-2, a specialized system for artificial intelligence calculations, (launched in spring of 2019, 130 TFlop/s ando 2 PFlop/s in AI). In 2021, a petascale system entitled EURO_IT4I is to be launched within the EuroHPC project. IT4Innovations is also a research centre with strong international links. The key research areas of IT4Innovations include big data processing and analysis, machine learning, development of parallel scalable algorithms, supercomputing technology development, solution of computationally demanding engineering problems, advanced visualization, virtual reality, modelling for nanotechnologies and material design. IT4Innovations is part of VSB – Technical University of Ostrava. For more information, see www.it4i.cz.