System Hardware Installation
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3-5-3 DIMM Population Table
4
th
Gen Intel Xeon Scalable Processors-SP Memory Support
Type
Ranks Per DIMM and
Data Width
DIMM Capacity (GB)
Speed (MT/s); Voltage (V);
DIMM per Channel (DPC)
1DPC
1
2DPC
16Gb 24Gb
2
36Gb 1.1V
RDIMM
SRx8 (RC D) 16GB 24GB NA
4800 4400
SRx4 (RC C) 32GB 48GB NA
SRx4 (RC F) 9x4 32GB NA NA
DRx8 (RC E) 32GB 48GB NA
DRx4 (RC A) 64GB 96GB 128GB
DRx4 (RC B) 9x4 64GB NA NA
RDIMM 3DS
(4R/8R)x4
(RC A)
2H-128GB
4H-256GB
NA NA
NOTE:
1. 1DPC applies to 1SPC or 2SPC implementations (SPC - Sockets Per Channel)
2. 24Gb XCC only w/ limited congs: 1DPC all DIMM types, 2DPC 96GB only. Only 8 and 16 DIMM congs, no fallbacks.
5
th
Gen Intel Xeon Scalable Processors-SP Memory Support
Type
Ranks Per DIMM and
Data Width
DIMM Capacity (GB)
Speed (MT/s); Voltage (V);
DIMM per Channel (DPC)
1DPC
1
2DPC
16Gb 24Gb
2
36Gb 1.1V
RDIMM
SRx8 (RC D) 16GB 24GB NA
5600
3
4400
3
SRx4 (RC C) 32GB 48GB NA
SRx4 (RC F) 9x4 NA NA NA
DRx8 (RC E) 32GB 48GB NA
DRx4 (RC A) 64GB 96GB 128GB
DRx4 (RC B) 9x4 NA NA NA
RDIMM 3DS
(4R/8R)x4
(RC A)
2H-128GB
4H-256GB
NA NA 5600
4
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.
3-5-4 Processor and Memory Module Matrix Table
4 DIMM
Memory Q’ty
for each CPU
CPU1
1 DIMM
2 DIMM
6 DIMM
8 DIMM
12 DIMM
16 DIMM
J0
J1
I0 I1L0
L1
K0 K1
V
V
V
V
V V V V
V V
VV V
VV V
VV V VV VV V
V
O1 O0 P1 P0M1M0 N1 N0
V
VV
V V V V
V VV VV
V
V
V V
V VVV VV VV
CPU0
G1 G0 H1 H0
E1
E0 F1 F0
V
V V
V VV
V
V V
VV VV
V
V
VV VVV VVV
V
A0 A1
V
V
V
V
V V
V
VV
B0
B1
D0
D1
C0 C1
V
VV V
VV
V
V
V
V
VVV VV V
NOTE!
• There should be at least one DDR5 DIMM per socket.