MSI MPG Z790 EDGE WIFI Manuel D'utilisation page 30

DIMM Slots
Memory module installation recommendation
DIMMA2
⚠
Important
∙ Always insert memory modules in the DIMMA2 slot first.
To ensure system stability for Dual channel mode, memory modules must be of the
∙
same type, number and density.
∙ Some memory modules may operate at a lower frequency than the marked value
when overclocking due to the memory frequency operates dependent on its Serial
Presence Detect (SPD). Go to BIOS and find the DRAM Frequency to set the memory
frequency if you want to operate the memory at the marked or at a higher frequency.
It is recommended to use a more efficient memory cooling system for full DIMMs
∙
installation or overclocking.
The stability and compatibility of installed memory module depend on installed CPU
∙
and devices when overclocking.
∙ Please refer to www.msi.com for more information on compatible memory.
DIMMA1
Channel A
DIMMA2
DIMMA2
DIMMB2
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DIMMB1
Channel B
DIMMB2
DIMMA1
DIMMA2
DIMMB1
DIMMB2