Supermicro SuperWorkstation SYS-730A-I, User Manual, Page: 37 / 111

Chapter 3: Maintenance and Component Installation
37
3.4 Memory
The X12DAi-N6 motherboard has 16 DIMM slots. It supports up to
•
4TB (DDR4 only): 3DS LRDIMM/LRDIMM/3DS RDIMM/RDIMM DDR4 (288-pin) ECC
memory with speeds of 3200/2933/2666 MHz.
•
4TB (PMem + DDR4): Intel Optane PMem 200 Series with speeds of up to 3200 MHz.
Notes: PMem 200 Series are supported on 3rd Gen Intel Xeon Scalable Platinum, Gold and
selected Silver processors. Memory speed support depends on the processors used in the
system.
DDR4 Memory Support for the 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
Key Parameters for DIMM Configurations
Parameters Possible Values
Number of Channels 8
Number of DIMMs per Channel 1DPC (1 DIMM Per Channel) or 2DPC (2 DIMMs Per Channel)
DIMM Type RDIMM (w/ECC), 3DS RDIMM, LRDIMM, 3DS LRDIMM
DIMM Construction non-3DS RDIMM Raw Cards: A/B (2Rx4), C (1Rx4), D (1Rx8), E (2Rx8)
3DS RDIMM Raw Cards: A/B (4Rx4)
non-3DS LRDIMM Raw Cards: D/E (4Rx4)
3DS LRDIMM Raw Cards: A/B (8Rx4)