Intel® Server Board M50CYP2SB Family Technical Product Specification
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4.2.1
Standard DDR4 DIMM Support
The following figure shows a standard DDR4 DIMM module.
Figure 21. Standard SDRAM DDR4 DIMM Module
The server board supports DDR4 DIMMs with the following features:
•
All DDR4 DIMMs must support ECC
•
Registered DDR4 (RDIMM), 3DS-RDIMM, Load Reduced DDR4 (LRDIMM), 3DS-LRDIMM
Note:
3DS = 3 Dimensional Stacking
•
RDIMMs and LRDIMMs with thermal sensor On DIMM (TSOD)
•
DIMM speeds of up to 3200 MT/s (for 2 DPC)
•
DIMM capacities of 8 GB, 16 GB, 32 GB, 64 GB, 128 GB, and 256 GB
•
RDIMMs organized as Single Rank (SR), Dual Rank (DR
•
3DS-RDIMM organized as Quad Rank (QR), or Oct Rank (OR)
•
LRDIMMs organized as Quad Rank (QR)
•
3DS-LRDIMM organized as Quad Rank (QR), or Oct Rank (OR)
The following tables list the DDR4 DIMM support guidelines.
Table 4. Supported DDR4 DIMM Memory
Type
Ranks per DIMM
and Data Width
DIMM Capacity (GB)
Maximum Speed (MT/s) at 1.2 V
8 Gb DDR4
Density
16 Gb DDR4
Density
1 DPC
2 DPC
RDIMM
SR x8
8
16
3200
3200
1
SR x4
16
32
3200
3200
1
DR x8
16
32
3200
3200
1
DR x4
32
64
3200
3200
1
3DS-RDIMM
QR/OR x4
64 (2H)
128 (4H)
128 (2H)
256 (4H)
3200
3200
1
LRDIMM
QR x4
64
128
3200
3200
3DS-LRDIMM
QR/OR x4
128 (4H)
128 (2H)
256 (4H)
3200
3200
Note:
1
Specification applies only to memory chips mounted by surface mounted technology (SMT) method. For plated through hole
(PTH) mounted method, the maximum speed is 2933 MT/s. Refer to the DIMM datasheets for more information.
Note:
SR = Single Rank, DR = Dual Rank, QR = Quad Rank, OR = Oct Rank