The image shows the back of an X4-2 or X3-2 Oracle Database Appliance with a storage shelf and an expansion storage shelf. and with the interconnect cables that connect between these components. The components, from top to bottom, are labeled Node 1, Node 0, Storage Shelf, and Storage Expansion shelf. The cables are the same as those shown in the graphic for cabling Oracle Database Appliance with a a single storage shelf, with four additional cables for the expansion storage shelf. These four new cables, identified by callout numbers 7, 8, 9, and 10, are described in the text, and in the callout table that follows this illustration. The image also includes an inset that shows the different socket configuration in the left-most PCIe card for Oracle Database Appliance models X3-2 and X4-2.