Dell PowerEdge XR12 Installation And Service Manual page 79

Figure 87. Memory sockets on the system board
The following table shows the memory populations and operating frequencies for the supported configurations:
Table 28. Memory population
DIMM Type DIMM Ranking
RDIMM 1R
RDIMM 2R
LRDIMM 4R
Intel Optane PMem 1R
200 Series DIMM
Capacity
8 GB
16 GB, 32 GB, 64 GB
128 GB
128 GB
Installing and removing system components
Operating speed for
DIMM rated voltage
DIMMs per Channel
and speed
DDR4 (1.2V), 3200 3200 MT/s
MT/s, 2933 MT/s or
2666 MT/s
DDR4 (1.2V), 3200 3200 MT/s
MT/s, 2933 MT/s or
2666 MT/s
DDR4 (1.2V), 3200 3200 MT/s
MT/s, 2933 MT/s or
2666 MT/s
DDR4 (1.2V), 3200 3200 MT/s
MT/s, 2933 MT/s or
2666 MT/s
(DPC)
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