Key Takeaways: Mbv4 virtual machines are designed for SAP and memory-intensive enterprise applications. The new series delivers improved storage throughput, NVMe performance, and scalability. Mbv4 VMs are available in public preview in East US and East US 2 regions. Microsoft has announced the public preview of the new Mbv4 virtual machine series for Azure. The new generation expands on the earlier MBv3 family by offering improved storage capabilities, stronger performance, and enhanced reliability.