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3-5-4 Memory Population Table
• When only one DIMM is used, it must be populated in memory slot DIMM1.
EPYC Memory Speed based on DIMM Population (One DIMM per Channel)
DIMM
Type
RDIMM
LRDIMM
EPYC Memory Speed based on DIMM Population (Two DIMM per Channel)
DIMM
Type
RDIMM
LRDIMM
DIMM Population
DIMM 0
1R (1 Rank)
2R or 2DR (2 Ranks)
4DR (4 Ranks)
2S2R (4 Ranks)
2S4R (8 Ranks)
DIMM Population
DIMM 0
--
1R
--
1R
2R or 2DR
--
4DR
--
--
2S2R (4 Ranks)
DDR Frequency (MHz)
DIMM 1
1R
1R
2R or 2DR
2R or 2DR
2R or 2DR
4DR
4DR
2S2R (4 Ranks)
2S4R (8 Ranks)
2S2R (4 Ranks)
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Max EPYC 7003
3200
3200
3200
3200
3200
Max EPYC 7003
DDR Frequency (MHz)
3200
2933
3200
2933
2933
3200
2933
3200
3200
2933
System Hardware Installation
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