User Manual

Chapter 2: Hardware Information
2-8
2.4 System memory
2.4.1 Overview
The motherboard comes with twelve (12) Double Data Rate 4 (DDR4) Dual Inline Memory
Modules (DIMM) sockets.
The figure illustrates the location of the DDR4 DIMM sockets:
2.4.2 Memory Configurations
You may install 16GB, 32GB, 64GB, 128GB RDIMMs; 64GB, 128GB, 256GB RDIMM
3DS; 32GB, 64GB, 128GB LR-DIMM 3DS; or 128GB, 256GB, 258GB Intel
®
Optane™
DC persistent memory 200 Series (DCPMM) into the DIMM sockets using the memory
configurations in this section.
• Refer to ASUS Server AVL for the updated list of compatible DIMMs.
• Always install DIMMs with the same CAS latency. For optimum compatibility, it is
recommended that you obtain memory modules from the same vendor.
Dual CPU configuration
A1 B1 C1 D1 E1 F1 G1 H1
J1 K1 L1 M1 N1 P1 R1 T1
2 DIMMs
P P
4 DIMMs
P P P P
8 DIMMs
P P P P P P P P
12 DIMMs
P P P P P P P P P P P P
16 DIMMs
P P P P P P P P P P P P P P P P
Dual CPU configuration
You can refer to the following recommended memory population for a dual CPU configuration.