DM Series is engineered to meet demanding availability requirements. Highly reliable Lenovo hardware, innovative software, and sophisticated service analytics deliver 99.9999% availability or greater through a multi-layered approach. Scaling up is also easy. Simply add more storage, flash acceleration, and upgrade the controllers. To scale out, grow from a base of two nodes to a 12-array cluster containing up to 44PB (SAN) or 88PB (NAS) of capacity. You can cluster with DM Series all-flash models for flexible growth as your business demands.