System overview
The Dell EMC XC Core XC750 is a dual socket, 2U rack system that supports:
● Two 3
rd
 Generation Intel Xeon Scalable processors
● 32 DDR4 DIMM slots
● Two redundant AC or HVDC power supply units
● Up to 12 x 3.5-inch, or 24 x 2.5-inch, or 2 x 2.5-inch (rear), SAS, SATA, or NVMe drives
NOTE: For more information about how to hot swap NVMe PCIe SSD U.2 device, see the Dell Express Flash NVMe PCIe
SSD User's Guide at https://www.dell.com/support Browse all Products > Data Center Infrastructure >  Storage
Adapters & Controllers > Dell PowerEdge Express Flash NVMe PCIe SSD > Documentation > Manuals and
Documents.
NOTE: All instances of SAS, SATA drives, PCIe SSDs, and NVMe are referred to as drives in this document, unless specified
otherwise.
CAUTION: Do not install GPUs, network cards, or other PCIe devices on your system that are not validated
and tested by Dell. Damage caused by unauthorized and invalidated hardware installation will null and void the
system warranty.
Topics:
• Front view of the system
• Rear view of the system
• Inside the system
• Locating the Express Service Code and Service Tag
• System information label
• Rail sizing and rack compatibility matrix
Front view of the system
Figure 1. Front view of the 24 x 2.5-inch drive system
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8 System overview