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Chapter 3 Maintenance and Component Installation
3.3 Motherboard Components
Memory Installation
Memory Support
The X11SDS-8C/12C/14C/16C motherboard supports up to 512GB of ECC LRDIMM or
256GB ECC RDIMM (with DDR4 speeds up to 2133MHz for X11SDS-8C, X11SDS-12C, and
X11SDS-14C and up to 2400MHz for X11SDS-16C) in four memory slots. Populating these
DIMM slots with memory modules of the same type and size will result in interleaved memory,
which will improve memory performance.
Check the Supermicro website for possible updates to memory support.
DIMM Module Population Configuration
For optimal memory performance, follow the table below when populating memory.
Memory Population (Balanced)
DIMMA1
DIMMB1
DIMMD1
DIMME1
Total System
Memory
4GB
4GB
8GB
8GB
8GB
8GB
8GB
16GB
4GB
4GB
4GB
4GB
16GB
8GB
8GB
8GB
24GB
8GB
8GB
8GB
8GB
32GB
16GB
16GB
32GB
16GB
16GB
16GB
48GB
16GB
16GB
16GB
16GB
64GB
32GB
32GB
64GB
32GB
32GB
32GB
96GB
32GB
32GB
32GB
32GB
128GB
64GB
64GB
128GB
64GB
64GB
64GB
192GB
64GB
64GB
64GB
64GB
256GB
126GB
128GB
256GB
128GB
128GB
128GB
128GB
512GB