1. Installing Internal Optional Devices
Express5800/R120h-1M User’s Guide
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Chapter 2 Preparations
Memory processor compatibility information
Memory clock frequency
Operating frequency of DDR4 memory varies by processor type and memory configuration.
Please refer to the table below for the actual maximum operating frequency.
CPU brand
Operating frequency driving
voltage 1.2 V
Xeon ® Platinum 8100 Series
2666MHz
Xeon ® Gold 6100 Series
Xeon ® Gold 5122 Processor
Xeon ® Gold 5100 Series (except Xeon® Gold 5122 processor)
2400MHz
Xeon ® Silver 4100 Series
Xeon ® Bronze 3100 Series
2133MHz
The operation memory speed is decided by rating DIMM speed, DIMM attached on each channel, processor
model and speed selected on System Utility.
The maximum memory capacity
Maximum memory capacity depends on DIMM capacity, the number of installed DIMM, memory type, and the
number of processors installed.
The maximum memory capacity
N code
DIMM type
DIMM rank
Capacity (GB)
1CPU (GB)
2CPU (GB)
N8102-708
RDIMM Single
8
96 192
N8102-714
RDIMM Dual 8
96 192
N8102-709
RDIMM Single
16
192 384
N8102-710
RDIMM Dual 16
192 384
N8102-711
RDIMM Dual 32
384 768
N8102-712
LRDIMM Quad 64
768 1536
N8102-713
3DS LRDIMM
Octal
128
1536
3072