Dell PowerEdge XR12

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 Capacity
DIMM rated voltage
and speed
Operating speed for
DIMMs per Channel
(DPC)
RDIMM 1R 8 GB DDR4 (1.2V), 3200
MT/s, 2933 MT/s or
2666 MT/s
3200 MT/s
RDIMM 2R 16 GB, 32 GB, 64 GB DDR4 (1.2V), 3200
MT/s, 2933 MT/s or
2666 MT/s
3200 MT/s
LRDIMM 4R 128 GB DDR4 (1.2V), 3200
MT/s, 2933 MT/s or
2666 MT/s
3200 MT/s
Intel Optane PMem
200 Series DIMM
1R 128 GB DDR4 (1.2V), 3200
MT/s, 2933 MT/s or
2666 MT/s
3200 MT/s
Installing and removing system components 79