Documentation Read about the online documentation portal, and late additions and corrections to PowerFlex documentation. Online Documentation Portal PowerFlex documentation is now available on the Dell EMC Technical Resource Center; click here to view and download the latest version of the documentation. You can also access this link from the PowerFlex GUI, by clicking the ? icon and selecting Online Documentation. For more information about what is included in the documentation, see the How to Find Information document on the Dell EMC Technical Resource Center. Parent topic PowerFlex 3.5.1 Release NotesRelease Notes for PowerFlex 3.5.1.