Dell EMC PowerEdge R640, Инструкция по установке и обслуживанию, Страница: 49 / 174

Ports and connectors specifications
USB ports
The PowerEdge R640 system supports:
The following table provides more information about the USB specifications:
Table 28. USB specifications
System Front panel Back panel Internal
Four hard drive systems One 4-pin, USB 2.0-compliant ports Two 9-pin, USB 3.0-compliant
ports
One 9-pin, USB 3.0-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.
N/A N/A
Eight hard drive systems One 4-pin, USB 2.0-compliant ports 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.
One 9-pin, USB 3.0-compliant
ports
One 5-pin micro USB 2.0 management
port
N/A N/A
Ten hard drive systems One 4-pins, USB 2.0-compliant port Two 9-pin, USB 3.0-compliant
ports
One 9-pin, USB 3.0-compliant
ports
One 5-pin micro USB 2.0 management
port
N/A N/A
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.
Technical specifications 49