Supermicro X11DSF-E User Manual page 39

Validation Matrix (DDR4 DIMMs Validated w/DCPMM)
Ranks Per DIMM
DIMM Type & Data Width
(Stack)
RDIMM
LRDIMM
LRDIMM 3DS 8Rx4 (4H)
DIMM Capacity (GB)
4Gb
1Rx4 8GB
2Rx8 8GB
2Rx4 16GB
4Rx4 N/A
N/A
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Chapter 2: Installation
DRAM Density
8Gb
16GB
16GB
32GB
64GB
128GB