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Super X12SPG-NF User's Manual
2.4 Memory Support and Installation
Note
: Check the Supermicro website for recommended memory modules.
Important:
Exercise extreme care when installing or removing DIMM modules to pre-
vent any possible damage.
Memory Support
The X12SPG-NF supports up to 2TB of ECC RDIMM/LRDIMM and RDIMM/LRDIMM 3DS DDR4
memory with speeds of up to 3200MHz in eight memory slots. Refer to the table below for the
recommended DIMM population order.
1 CPU, 8 DIMM Slots
Number of DIMMs
Memory Population Sequence
1
DIMMA1
2
DIMMA1 / DIMME1
4
DIMMA1 / DIMME1 / DIMMC1 / DIMMG1
6
DIMMA1 / DIMME1 / DIMMC1 / DIMMG1 / DIMMB1 / DIMMF1
8
DIMMC1 / DIMMD1 / DIMMA1 / DIMMB1 / DIMMG1 / DIMMH1 / DIMME1 / DIMMF1
DDR4 Memory Support
Type
Ranks Per DIMM
and Data Width
DIMM Capacity (GB)
Speed (MT/s); Voltage (V);
Slot Per Channel (SPC) and
DIMM Per Channel (DPC)
*Data below assumes 2 SPC
unless otherwise noted.
1DPC
8 GB
16 GB
1.2V
RDIMM
SRx8
8 GB
16 GB
3200
SRx4
16 GB
32 GB
DRx8
16 GB
32 GB
DRx4
32GB
64 GB
RDIMM-3DS
(4R/8R) x4
2H-64F GB
4H-128 GB
2H-128 GB
4H 256 GB
3200
LRDIMM
QRx4
64 GB
128 GB
3200
LRDIMM-3DS
(4R/8R) X4
4H-128 GB
2H-128 GB
4H-256 GB
3200
