System Memory - Asus X99-S User Manual

1.2.4

System memory

The motherboard comes with eight DDR 4 (Double Data Rate 4) Quad Inline Memory
Modules (DIMM) slots.
A DDR4 module is notched differently from a DDR, DDR2, or DDR3 module. DO NOT
install a DDR, DDR2, or DDR3 memory module to the DDR4 slot.
Recommended memory configurations
ASUS X99-S
1-7