Configuration Description Memory population rules
RDIMMs NVDIMM-N
Configuration 14 12x 32 GB RDIMMs, 12x
NVDIMM-Ns
Same for all 12x RDIMM
configurations. See
Configuration 1.
Processor1 {A7, 8, 9, 10, 11, 12}
Processor2 {B7, 8, 9, 10, 11, 12}
DCPMM installation guidelines
The following are the recommended guidelines for installing data center persistent memory module (DCPMM) memory modules:
• Each system supports maximum of one DCPMM memory module per channel.
NOTE: If two different DCPMM capacities are mixed, an F1/F2 warning is displayed as the configuration is not
supported.
• DCPMM can be mixed with RDIMM, LRDIMM, and 3DS LRDIMM.
• Mixing of DDR4 DIMM types (RDIMM, LRDIMM, and 3DS LRDIMM), within channels, for Integrated Memory Controller (iMC), or
across sockets are not supported.
• Mixing of DCPMM operating modes (App Direct, Memory Mode) is not supported.
• If only one DIMM is populated on a channel, it should always go to the first slot in that channel (white slot).
• If a DCPMM and a DDR4 DIMM are populated on the same channel, always plug DCPMM on second slot (black slot).
• If the DCPMM is configured in Memory Mode, the recommended DDR4 to DCPMM capacity ratio is 1:4 to 1:16 per iMC.
• DCPMMs cannot be mixed with other DCPMMs or NVDIMMs.
• Mixing different capacities of RDIMMs and LRDIMMs are not allowed when DCPMM is installed.
• DCPMMs of different capacities are not allowed.
For more information about the supported DCPMM configurations, see the Dell EMC DCPMM User 's Guide at https://www.dell.com/
support/home/us/en/19/products/server_int/server_int_poweredge.
Table 51. Memory Mode configurations (Dual and Quad socket)
Optane DIMMs per
CPU
DRAM DIMMs per
CPU
Total capacity per
CPU
2 Socket OS
Memory capacity
4 Socket OS
Memory capacity
DDR:DCPMM ratio
6 X 128 GB 6 X 32 GB 960 GB 1.5 TB 3 TB 1:4
6 X 256 GB 6 X 32 GB 1728 GB 3 TB 6 TB 1:8
6 X 256 GB 6 X 64 GB 1920 GB 3 TB 6 TB 1:4
6 X 512 GB 6 X 64 GB 3456 GB 6 TB 12 TB 1:8
6 X 512 GB 6 X 128 GB 3840 GB 6 TB 12 TB 1:4
Table 52. App Direct Mode configurations (Dual and Quad socket)
Optane DIMMs
per CPU
DRAM DIMMs
per CPU
Total capacity
per CPU
2 Socket OS
Memory
capacity
4 Socket OS
Memory
capacity
2 Socket App
Direct Optane
capacity
4 Socket App
Direct Optane
capacity
6 X 128 GB 6 X 32 GB 960 GB 384 GB 768 GB 1.5 TB 3 TB
6 X 128 GB 6 X 64 GB 1152 GB 768 GB 1.5 TB 1.5 TB 3 TB
6 X 128 GB 6 X 128 GB 1536 GB 1.5 TB 3 TB 1.5 TB 3 TB
4 X 256 GB 6 X 32 GB 1216 GB 384 GB 768 GB 2 TB 4 TB
6 X 256 GB 6 X 32 GB 1728 GB 384 GB 768 GB 3 TB 6 TB
4 X 256 GB 6 X 64 GB 1408 GB 768 GB 1.5 TB 2 TB 4 TB
6 X 256 GB 6 X 64 GB 1920 GB 768 GB 1.5 TB 3 TB 6 TB
6 X 256 GB 6 X 128 GB 2304 GB 1.5 TB 3 TB 3 TB 6 TB
4 X 512 GB 6 X 32 GB 2240 GB 384 GB 768 GB 4 TB 8 TB
6 X 512 GB 6 X 32 GB 3264 GB 384 GB 768 GB 6 TB 12 TB
4 X 512 GB 6 X 64 GB 2432 GB 768 GB 1.5 TB 4 TB 8 TB
Installing and removing system components 97
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