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Chapter 2: Installation
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 X12STL-F supports up to 128GB of ECC UDIMM memory with speeds of up to 3200MHz
in four memory slots. Speed support is up to 2666MHz when a Pentium processor is installed.
Speed support is up to 2933 MT/s for 2R2R congurations. Refer to the table below for the
recommended DIMM population order.
Recommended Population (Balanced)
DIMMA1 DIMMB1 DIMMA2 DIMMB2 Total System Memory
4GB 4GB 8GB
4GB 4GB 4GB 4GB 16GB
8GB 8GB 16GB
8GB 8GB 8GB 8GB 32GB
16GB 16GB 32GB
16GB 16GB 16GB 16GB 64GB
32GB 32GB 64GB
32GB 32GB 32GB 32GB 128GB