Bandwidth sizing guidelines All solution tests were performed in a lab environment that was configured using specific best practices that were developed with . All performance results are based on an environment using these best practices. The storage system, cameras, and VLANs in the lab environment were dedicated to these tests. PowerVault ME5 series PowerVault ME4 series The test objective is to maintain constant safety and security video traffic during select storage failure scenarios, such as disk rebuild and controller failure. During these scenarios, frame loss was observed on the ME4 platform as tier 1 storage. ESXi host class serversThe ESXi host can run on various host classes (processor chips) across multiple servers. For more information about server comparisons, see the Dell servers tested section of the Dell Safety & Security Validation Matrix.