Asus Sabertooth X99 - 1.2.4 System Memory

ASUS SABERTOOTH X99
1-11
Chapter 1
Recommended memory configurations
1.2.4 System memory
The motherboard comes with eight Double Data Rate 4 (DDR4) 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.