E-Class Support 24x7Designed for customers with Dell SonicWALL E-Class solutions, Dell SonicWALL E-Class Support 24x7 delivers the enterprise-class support features and quality of service that enterprise organizations require to keep their networks running smoothly and efficiently.• 24x7 direct access to a team of highly-trained Senior Support Engineers for telephone, email and web-based technical support• Subscription to firmware updates and upgrades• Advance Exchange Next Business Day hardware replacement in the event of failure