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The following table provides more information about the USB specifications:
Table 23. USB specifications
System
Four hard drive systems
Eight hard drive systems
Ten hard drive systems
NIC ports
The PowerEdge R640 system supports four Network Interface Controller (NIC) ports on the back panel, which are available in the
following configurations:
•
Four RJ-45 ports that support 10, 100 and 1000 Mbps
•
Four RJ-45 ports that support 100 M, 1 G and 10 Gbps
•
Four RJ-45 ports, where two ports support maximum of 10 G and the other two ports maximum of 1 Gbps
•
Two RJ-45 ports that support up to 1 Gbps and 2 SFP+ ports that support up to 10 Gbps
•
Four SFP+ ports that support up to 10 Gbps
•
Two SFP28 ports that support up to 25 Gbps
NOTE:
You can install up to three PCIe add-on NIC cards.
Serial port
The PowerEdge R640 system supports one serial port on the back panel. This port is a 9-pin connector, Data Terminal Equipment (DTE),
16550-compliant.
Front panel
One 4-pin, USB 2.0-compliant ports
One 5-pin micro USB 2.0 management
port
NOTE:
The micro USB 2.0-
compliant port on the front
panel can only be used as an
iDRAC Direct or a management
port.
One 4-pin, USB 2.0-compliant ports
One 5-pin micro USB 2.0 management
port
One 4-pins, USB 2.0-compliant port
One 5-pin micro USB 2.0 management
port
Back panel
Two 9-pin, USB 3.0-compliant
ports
N/A
Two 9-pin, USB 3.0-compliant
ports
NOTE:
One optional USB
3.0-compliant port on
the front panel for 4 x
3.5 and 8 x 2.5 inch hard
drive systems.
N/A
Two 9-pin, USB 3.0-compliant
ports
N/A
Internal
N/A
N/A
N/A
N/A
One 9-pin, USB 3.0-compliant
ports
N/A
Technical specifications
37
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