Dell PowerEdge XE8640 - Page 13

Table 4. Rear view of the system (continued)
Item Ports, panels, or slots Icon Description
9 PCIe expansion card riser
4(R4)
N/A The expansion card riser enables you to connect PCI Express
expansion cards.
10 VGA port Enables you to connect a display device to the system.
11 Power supply unit (PSU3) Indicates the PSU3.
12 Power supply unit (PSU4) Indicates the PSU4.
13 Power supply unit (PSU1) Indicates the PSU1 or primary PSU.
14 Power supply unit (PSU2) Indicates the PSU2.
Dell PowerEdge XE8640 system overview 13