2-7
RS720Q-E9-RS8 Series
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 gure illustrates the location of the DDR4 DIMM sockets:
2.4.2 Memory Configurations
You may install 4 GB, 8 GB, 16 GB, and 32 GB RDIMMs or 32 GB, 64 GB LRDIMMs, and 64
GB, 128 GB LRDIMMS 3DS into the DIMM sockets using the memory congurations 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
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
Dual CPU configuration
You can refer to the following recommended memory population for a dual CPU conguration.