Dell EMC PowerFlex Appliance Support Matrix Version 1.3 The Support Matrix provides information about the supported Intelligent Catalog, software, firmware, and hardware versions and technical specifications for the PowerFlex appliance R640/R740xd/R840. NOTE: This Support Matrix contains the latest compatibility and interoperability information. If you observe inconsistencies between this information and other documentation or references, this document supersedes all other documentation. Dell EMC PowerFlex appliance was previously known as Dell EMC VxFlex appliance. Similarly, Dell EMC PowerFlex Manager was previously known as Dell EMC VxFlex Manager, and Dell EMC PowerFlex was previously known as Dell EMC VxFlex OS. References in the documentation will be updated over time.