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Chapter 3: Maintenance and Component Installation
3.5 Memory
Memory Support
The X12SCZ-TLN4F has 4 DIMM slots to support up to 128GB unbuffered ECC/non-ECC
UDIMM, ECC DDR4 UDIMM with speeds up to 2933MHz.
For validated memory, use our
.
Check the Supermicro website for
possible updates to memory support.
Memory Installation Sequence
Memory for this motherboard is populated using the "Fill First" method. The DIMM slots
with blue release tabs are considered the first DIMM of their channel, and those with white
release tabs are the second of the channel. When installing memory modules, be sure to
populate the memory slots with the blue release tabs first and then populate those with the
white release tabs.
General Memory Population Requirements
1. Be sure to use the memory modules of the same type and speed on the motherboard.
Mixing of memory modules of different types and speeds is not allowed.
2. Using unbalanced memory topology such as populating two DIMMs in one channel while
populating one DIMM in another channel will result in the reduced memory performance.
3. Populating memory slots with a pair of DIMM modules of the same type and size will
result in interleaved memory, which will improve memory performance.
Recommended Population (Balanced)
DIMMA1
DIMMB1
DIMMA2
DIMMB2
Total System Memory
2GB
2GB
4GB
2GB
2GB
2GB
2GB
8GB
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