Figure 2-1 shows how to connect the Expansions to a Storwize V5010.  Figure 2-2 shows how to connect the Expansions to a Storwize V5020. Figure 2-2 Storwize V5020 SAS cabling Figure 2-1 Storwize V5010 SAS cabling 42  Implementing the IBM Storwize V5000 Gen2 with IBM Spectrum Virtualize V8.2.1