Table 5. Features available on the front of 16 x E3.S drive systemItem Ports, panels, andslots Icon Description1 Left control panel N/A Contains the system health, system ID, and the status LED indicator.2 E3.S Drive N/A Enables you to install drives that are supported on your system.3 Right control panel N/A Contains the power button with integrated power LED, 1 x VGA port,1 x 2.0 USB port, iDRAC Direct (Micro-AB USB) port, and the iDRACDirect status LED.4 VGA N/A Enables you to connect a display device to the system.5 Information tag N/A The Express Service Tag is a slide-out label panel that containssystem information such as Service Tag, NIC, MAC address, and soon. If you have opted for the secure default access to iDRAC, theInformation tag will also contain the iDRAC secure default password.NOTE: For more information about ports, panels, and slots, see the Technical specifications section.Rear view of the systemFigure 6. Rear view of systemTable 6. Rear view of the systemItem Ports, panels, or slots Icon Description1 BOSS N/A Insert BOSS blank when BOSS module is not used.2 Power supply unit (PSU1) PSU1 is the primary PSU of the system.3 PCIe expansion card riser 1(slot 1)N/A The expansion card riser enables you to connect PCI Expressexpansion cards.For more information, see the Expansion cardinstallation guidelines section.4 PCIe expansion card riser 4(slot 2)N/A The expansion card riser enables you to connect PCI Expressexpansion cards.For more information, see the Expansion cardinstallation guidelines section.5 Power supply unit (PSU2) PSU2 is the secondary PSU of the system.6 VGA port Enables you to connect a display device to the system.7 USB 2.0 port The USB port is 4-pin, 2.0-compliant. This port enables you toconnect USB devices to the system.8 USB 3.0 port The USB ports are 9-pin, 3.0-compliant. These ports enable you toconnect USB devices to the system.9 Dedicated iDRAC9 EthernetportEnables you to remotely access iDRAC. For more information,see the Integrated Dell Remote Access Controller User's Guide atwww.dell.com/poweredgemanuals.10 OCP NIC card The OCP NIC card supports OCP 3.0. The NIC ports are integratedon the OCP card which is connected to the system board.12 System overview