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3-6-3 DIMM Population Table
4th Gen Intel Xeon Scalable Processors-SP Memory Support
Ranks Per DIMM and
Type
Data Width
SRx8 (RC D)
SRx4 (RC C)
SRx4 (RC F) 9x4
RDIMM
DRx8 (RC E)
DRx4 (RC A)
DRx4 (RC B) 9x4
(4R/8R)x4
RDIMM 3DS
NOTE:
1. 1DPC applies to 1SPC or 2SPC implementations (SPC - Sockets Per Channel)
2. 24Gb XCC only w/ limited configs: 1DPC all DIMM types, 2DPC 96GB only. Only 8 and 16 DIMM configs,
no fallbacks.
5th Gen Intel Xeon Scalable Processors-SP Memory Support
Ranks Per DIMM and
Type
SRx8 (RC D)
SRx4 (RC C)
SRx4 (RC F) 9x4
RDIMM
DRx8 (RC E)
DRx4 (RC A)
DRx4 (RC B) 9x4
RDIMM 3DS
NOTE:
1. 1DPC applies to 1SPC or 2SPC implementations (SPC - Sockets Per Channel)
2. 24Gb 2DPC not POR w/ 24GB and 48GB DIMMs.
3. DDR5-5600 RDIMMs will be limited to 5600 MT/s 1DPC and 4400 MT/s 2DPC. DDR5-4800 DIMMs will
be limited to 4800 MT/s 1DPC and 4400 MT/s 2DPC.
4. DDR5-5600 DIMMS are required for 5600 and 5200 1DPC speeds.
DIMM Capacity (GB)
16Gb
16GB
32GB
32GB
32GB
64GB
64GB
2H-128GB
(RC A)
4H-256GB
DIMM Capacity (GB)
Data Width
16Gb
16GB
32GB
NA
32GB
64GB
NA
2H-128GB
(4R/8R)x4
4H-256GB
(RC A)
System Hardware Installation
2
24Gb
36Gb
24GB
NA
48GB
NA
NA
NA
48GB
NA
96GB
128GB
NA
NA
NA
NA
2
24Gb
36Gb
24GB
NA
48GB
NA
NA
NA
48GB
NA
96GB
128GB
NA
NA
NA
NA
- 32 -
Speed (MT/s); Voltage (V);
DIMM per Channel (DPC)
1
1DPC
2DPC
1.1V
4800
4400
Speed (MT/s); Voltage (V);
DIMM per Channel (DPC)
1
1DPC
2DPC
1.1V
3
5600
4400
4
5600
3
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