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Populating RDIMM/RDIMM 3DS/LRDIMM/LRDIMM 3DS DDR4 Memory Modules
Type
DIMM Population
1R (1 Rank)
RDIMM
2R or 2DR (2 Ranks)
LRDIMM dual die
4DR (4 Ranks)
2S2R (4 Ranks)
3DS LRDIMM
2S4R (8 Ranks)
2S2R (4 Ranks)
3DS RDIMM
2S4R (8 Ranks)
1R: 1 package rank of SDP DRAMs
2R: 2 package rank of SDP DRAMs
2DR: 2 package rank of DDP DRAMs
4DR: 4 package rank of DDP DRAMs
2S2R/2S4R/2S8R: 2 package rank of 2/4/8 high 3DS DRAMs
DIMM Population Guide (with AMD 7002 Processor)
D1
CPU#
CPU1
CPU1
4 DIMMs (conditionally recommended if 32 cores or fewer)
CPU1
CPU1
DIMM Population Guide (with AMD 7003 Processor)
D1
CPU#
CPU1
CPU1
4 DIMMs (conditionally recommended if 32 cores or fewer)
CPU1
6 DIMMs (conditionally recommended if only populating 6 slots)
CPU1
CPU1
Maximum DIMM Capacity (GB)
1 Channel
32GB
64GB
128GB
128GB
256GB
128GB
256GB
Channel
C1
B1
A1
1 DIMM (supported but not recommended)
X
2 DIMMs (supported but not recommended)
X
X
X
X
6 DIMMs
Unbalanced (Not Recommended)
8 DIMMs
X
X
X
X
Channel
C1
B1
A1
1 DIMM (supported but not recommended)
X
2 DIMMs (supported but not recommended)
X
X
X
X
X
X
X
8 DIMMs
X
X
X
X
29
Chapter 2: Installation
8 Channels
256GB
512GB
1TB
1TB
2TB
1TB
2TB
E1
F1
G1
H1
X
X
X
X
E1
F1
G1
H1
X
X
X
X
X
X
Maximum
Frequency (MHz)
3200
3200
3200
3200
3200
3200
3200
X
X
X
X
X
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