Table 19. Supported hard drive options for the PowerEdge R640 system
Ten drive systems with two rear hard drives
Up to ten 2.5 inch, hot swappable SAS, SATA, SAS/SATA SSD, or Nearline SAS hard
drives with up to 2 x 2.5 inch hot swappable SAS, SATA, SAS/SATA SSD, or Nearline
SAS hard drives supported at the back of the system.
Eight drive systems
Up to eight 2.5 inch, hot swappable SAS, SATA, SAS/SATA SSD, or Nearline SAS
hard drives
Four drive systems with two rear drives
Up to four 3.5 inch, hot swappable hard drives with up to 2 x 2.5 inch hot swappable
SAS, SATA, SAS/SATA SSD, or Nearline SAS hard drives supported at the back of
the system.
Optical drive
Certain configurations of the system support one optional SATA DVD-ROM drive or DVD+/-RW drive.
NOTE:
The optical drive is supported in both 4 x 3.5 and 8 x 2.5 inch hard drive systems.
Ports and connectors specifications
The PowerEdge R640 supports USB ports, NIC ports, VGA ports, serial connector, and an IDSDM/vFlash card that supports an optional
flash memory card and one internal dual SD module.
USB ports
The PowerEdge R640 system supports:
•
USB 2.0-compliant port on the front panel
•
Micro USB 2.0-compliant port in the front panel
NOTE:
The micro USB 2.0-compliant port on the front panel can only be used as an iDRAC Direct or a management port.
•
USB 3.0-compliant ports on the back panel
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.
•
Internal USB 3.0-compliant port
The following table provides more information about the USB specifications:
Table 20. 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
N/A
One 5-pin micro USB 2.0
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
N/A
One 5-pin micro USB 2.0
management port
N/A
N/A
30
Dell EMC PowerEdge R640 Installation and Service Manual
Technical specifications