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Super X12SPi-TF 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 X12SPi-TF supports up to 2048GB of ECC RDIMM/LRDIMM/LRDIMM 3DS with speeds
up to 3200MHz in eight slots. Refer to the tables below for the recommended DIMM population
order and additional memory information.
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
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
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.
