Intel® Server Board S2600WF Product Family Technical Product Specification
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4.
System Memory
This chapter describes the architecture that drives the memory sub-system, supported memory types,
memory population rules, and supported memory reliability, accessibility, and serviceability (RAS) features.
4.1
Memory Subsystem Architecture
Figure 24. Memory subsystem architecture
Note: This generation server board supports DDR4 memory only.
The Intel® Server Board S2600WF supports up to 24 DDR4 DIMMs, 12 per processor. Each installed
processor supports six memory channels via two integrated memory controllers (IMC). On the server board,
memory channels are assigned an identifier letter A through F, with each memory channel supporting two
DIMM slots.
The server board supports the following:
•
DDR4 DIMMs only.
•
Registered DIMMs (RDIMMs), Load Reduced DIMMs (LRDIMMs), and NVDIMMs (Non-Volatile Dual
Inline Memory Module).
•
Only Error Correction Code (ECC) enabled RDIMMs or LRDIMMs.
•
Only RDIMMs and LRDIMMs with integrated Thermal Sensor On Die (TSOD).
•
DIMM sizes of 4 GB, 8 GB, 16 GB, 32 GB, 64 GB and 128 GB depending on ranks and technology.
•
Maximum DIMM speeds dependent on the processor SKU installed in the system:
o
Intel® Xeon® Platinum 81xx processor – Max. 2666 Mega Transfers/second (MT/s)
o
Intel® Xeon® Gold 61xx processor – Max. 2666 MT/s
o
Intel® Xeon® Gold 51xx processor – Max. 2400 MT/s
o
Intel® Xeon® Silver processor – Max. 2400 MT/s
o
Intel® Xeon® Bronze processor – Max. 2133 MT/s
•
DIMMs organized as Single Rank (SR), Dual Rank (DR), or Quad Rank (QR)
o
RDIMMS – Registered DIMMS – SR/DR/QR, ECC only
o
LRDIMMs – Load Reduced DIMMs – QR only, ECC only
o
Maximum of 8 logical ranks per channel
o
Maximum of 10 physical ranks loaded on a channel
