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Super X12SPO-NTF/F 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 X12SPO-NTF/F supports up to 2048GB of ECC RDIMM/LRDIMM/RDIMM 3DS/
LRDIMM 3DS with speeds of up to 3200MHz in eight slots. Refer to the tables below for the
recommended DIMM population order and additional memory information.
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
2DPC
8 Gb
16 Gb
1.2V
1.2V
RDIMM
SRx8
8 GB
16 GB
3200
2933 PTH
3200 SMT
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
2933 PTH
3200 PTH for 1
(SPC config only)
3200 SMT
2933 PTH
3200 SMT
LRDIMM
QRx4
64 GB
128 GB
3200
3200
LRDIMM-3DS
(4R/8R) X4
4H-128 GB
2H-128 GB
4H-256 GB
3200
3200
Note:
A/E/C/G channels must be populated with the same total capacity per channel if
populated.
B/F/D/H channels must be populated with the same total capacity if populated.
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
DIMMA1 / DIMME1 / DIMMC1 / DIMMG1 / DIMMB1 / DIMMF1 / DIMMD1 / DIMMH1
