System
Front panel
Back panel
Internal
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.
VGA ports
The Video Graphic Array (VGA) port enables you to connect the system to a VGA display. The PowerEdge R640 system supports one 15-
pin VGA port on the front and back of system.
Video specifications
The PowerEdge R640 system supports integrated VGA controller with 4 MB SPI capacity.
Table 21. Supported video resolution options
Resolution
Refresh rate (Hz)
Color depth (bits)
640 x 480
60, 70
8, 16, 32
800 x 600
60, 75, 85
8, 16, 32
1024 x 768
60, 75, 85
8, 16, 32
1152 x 864
60, 75, 85
8, 16, 32
1280 x 1024
60, 75
8, 16, 32
1440 x 900
60
8, 16, 32
1920 x 1200
60
8, 16, 32
Dell EMC PowerEdge R640 Installation and Service Manual
Technical specifications
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