Microsoft Windows Server 2019 Standard Edition - license - 4 additional cores

Windows Server 2019 is the operating system that bridges on-premises environments with Azure services, enabling hybrid scenarios that maximize existing investments. Increase security and reduce business risk with multiple layers of protection built into the operating system. Evolve your datacenter infrastructure to achieve greater efficiency and scale with Hyper-converged Infrastructure. Enable developers and IT pros to create cloud native applications and modernize their traditional apps using containers and micro-services.