ASUS X99-WS/IPMI Guía Del Usuario
ASUS X99-WS/IPMI
1-7
Chapter 1
Recommended memory configurations
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.