Windows Server 2019 Datacenter 64bit for 16-CORE ( 0-CAL) OEM
Windows Server 2019 - Datacenter - Server Environment - 0 CALs Included - Supports up to 2 ( to total 16-cores) Physical Processors - 64-bit Version - 24576GB Maximum Memory - Supports up to Unlimited Virtual Machines - OEM License - DVD Included