The {% data variables.product.prodname_ghe_server %} appliance requires a premium storage data disk, and is supported on any Azure VM that supports premium storage. Azure VM types with the s suffix support premium storage. For more information, see What disk types are available in Azure? and Azure premium storage: design for high performance in the Azure documentation.
{% data variables.product.company_short %} recommends a memory-optimized VM for {% data variables.product.prodname_ghe_server %}. For more information, see Memory optimized virtual machine sizes in the Azure documentation.
{% data variables.product.prodname_ghe_server %} supports any region that supports your VM type. For more information about the supported regions for each VM, see Azure's Products available by region.