Product Data Sheet / Brochure

Memory specifications
The PowerEdge R750xs system supports the following memory specifications for optimized operation.
Table 7. Memory specifications
DIMM type DIMM rank
DIMM
capacity
Single processor Dual processors
Minimum DIMM
capacity
Maximum DIMM
capacity
Minimum
DIMM
capacity
Maximum DIMM
capacity
RDIMM
Single rank 8 GB 8 GB 64 GB 16 GB 128 GB
Dual rank
16 GB 16 GB 128 GB 32 GB 256 GB
32 GB 32 GB 256 GB 64 GB 512 GB
64 GB 64 GB 512 GB 128 GB 1 TB
Table 8. Memory module sockets
Memory module sockets Speed
16, 288-pin 3200 MT/s, 2933 MT/s, 2666 MT/s
Storage controller specifications
The PowerEdge R750xs system supports the following controller cards:
Table 9. Storage controller cards for the system
Internal controllers External controllers
● PERC H755
● PERC H755N
● PERC H745
● PERC H355
● PERC H345
● HBA355i
● S150
● Boot Optimized Storage Subsystem (BOSS-S2): HWRAID
2 x M.2 SSDs
● HBA355e
● PERC H840
NOTE: The software RAID controller S150 is supported on either SATA drives with chipset SATA only backplane, or NVMe
drives in universal slots with processor direct PCIe cable connected backplane.
Drives
The PowerEdge R750xs system supports:
● 24 x 2.5-inch (16 SAS/SATA + 8 NVMe) drives
● 16 x 2.5-inch SAS or SATA drives
● 12 x 3.5-inch SAS or SATA drives
● 8 x 2.5-inch SAS or SATA drives
● 8 x 2.5-inch NVMe drives
● 8 x 3.5-inch SAS or SATA 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.
10 Technical specifications