• 8 x 2.5 inch SATA/SAS
The images below illustrate the types of backplanes supported on PowerEdge R640:
Figure 4. Back panel view of 2 x 2.5 inch hard drives with 1 PCIe expansion slot
Figure 5. Back panel view of system with 3 PCIe expansion slots
Figure 6. Back panel view of system with 2 PCIe expansion slots
Internal chassis view
The chassis design of the PowerEdge R640 is optimized for easy access to components and for ecient cooling. The PowerEdge R640
supports up to 24 DIMMs, two processors, hot-plug redundant fans, system board and hard drive bays, and many other components and
features. For more system views, see the Dell EMC PowerEdge R640 Installation and Service Manual at Dell.com/Support/Manuals.
Figure 7. Internal chassis view - 1 PCIe expansion riser
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Chassis views and features
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