Azure Premium Storage
is a solid-state drive (SSD)–based storage solution that is designed to support I/O-intensive workloads. With Premium Storage, customers can add up to 64 TB of persistent storage per virtual machine, with more than 80,000 I/O IOPS per virtual machine and extremely low latencies for read operations.
Offering an SLA for 99.9 percent availability, Premium Storage is now available in the Central US and North Europe regions, in addition to the other regions that were previously announced. For more information, see Azure Services by Region