All-flash storage is clearly on the up-and-up. Gartner analyst Valdis Filks predicts that by 2020, 50 percent of data centers will use only all-flash arrays (AFA) for primary data, up from less than 1 percent in the middle of 2016. Overall, Gartner expects flash to be the dominant form of enterprise storage within a couple of years. By 2020, the firm predicts all-flash array revenue will reach $9.67 billion.

Who dominates in this field? Just about every vendor says they are number one. Cutting through the hype, what do the analysts say about who leads the way in all-flash arrays (AFAs)? Analyses by both International Data Corp. (IDC) and Gartner agree on some points. For example, both list the top AFA vendors as Dell EMC, Pure Storage, IBM, NetApp and HPE, though not necessarily in that order.

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