see the iDRAC User’s Guide at
Dell.com/idracmanuals
.
6
USB 2.0 port (2)
The USB ports are 4-pin, 2.0-
compliant. These ports enable
you to connect USB devices to
the system.
7
PCIe expansion card slot(s)
N/A
The expansion slot(s) enable you
to connect PCI Express
expansion cards. For more
information on the expansion
cards that are supported on your
system, see the Expansion card
guidelines.
8
Right external fan
N/A
Right external cooling fan
9
NIC port (2)
The NIC ports are integrated on
the system board provide
network connectivity. For more
information about the supported
configurations, see the Technical
specifications section.
10
USB 3.0 port (4)
The USB ports are 9-pin and
3.0-compliant. These ports
enable you to connect USB
devices to the system.
11
Power supply unit (2)
N/A
For more information about the
PSU configurations, see the
Technical Specifications section
12
Left external fan
N/A
Left external fan
NIC indicator codes
Each NIC on the back of the system has indicators that provide information about the activity and link status. The activity LED indicator
indicates if data is flowing through the NIC, and the link LED indicator indicates the speed of the connected network.
Figure 10. NIC indicator codes
1
link LED indicator
2
activity LED indicator
Dell PowerEdge T640 overview
21
