Dimm Slots - Asus ROG MAXIMUS XII EXTREME Manual

2.

DIMM slots

The motherboard comes with Dual Inline Memory Modules (DIMM) slots designed for DDR4
(Double Data Rate 4) memory modules.
A DDR4 memory 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
ROG MAXIMUS XII EXTREME
1-5