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Chapter 3: Maintenance and Component Installation
3.5 Memory
Memory Support
The X12DPG-OA6 supports up to 8TB of 3DS LRDIMM/LRDIMM/3DS RDIMM/RDIMM DDR4
(288-pin) ECC memory with speeds of 3200/2933/2666 MHz in 32 memory slots and up to
8TB of Intel Optane PMem 200 Series with speeds of up to 3200 MHz. (See the notes below.)
Notes:
The Intel® Optane™ Persistent Memory (PMem) 200 Series is supported by
3rd Generation Intel® Xeon® Scalable processorsPlatinum, Gold, and selected Silver
processors.
P1-DIMMB2/P2-DIMMB2 memory slots are reserved for Intel Optane PMem 200 Series only.
Memory speed support depends on the processors used in the system.
Memory Support for 3rd Gen Intel Xeon Scalable Processors
Type
Ranks Per DIMM &
Data Width
DIMM Capacity (GB)
Speed (MT/s); Voltage (V);
Slots Per Channel (SPC) and DIMMs Per Channel (DPC)
1DPC
(1-DIMM Per Chan-
nel)
2DPC
(2-DIMM Per Channel)
8Gb
16Gb
1.2 V
1.2 V
RDIMM
SRx8
8GB
16GB
3200
3200
SRx4
16GB
32GB
DRx8
16GB
32GB
DRx4
32GB
64GB
RDIMM 3Ds
(4R/8R) X4
2H- 64 GB
4H-128 GB
2H- 128 GB
4H-256 GB
LRDIMM
QRx4
64GB
128GB
3200
3200
LRDIMM - 3Ds
(4R/8R) X4
4H-128 GB
2H- 128 GB
4H-256 GB
3200
3200
