MSI X299-A Pro Quick Start Manual page 26

⚠
Important
Always insert memory modules in the DIMMC1 slot first.
∙
To ensure system stability for Dual/ Triple/ Quad channel mode, memory modules
∙
must be of the same type, number and density. And for every channel, the odd number
DIMM slot must to be installed first.
∙ 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 Memory Try It ! 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 www.msi.com for more information on compatible memory.
∙
16
Overview of Components
DIMMC1
DIMMB1
DIMMA1
DIMMC2
DIMMC1
DIMMB1
DIMMD1
DIMMA1
DIMMA2
DIMMC1
DIMMD1
DIMMB1
DIMMA1
DIMMC2
DIMMC1
DIMMB1
DIMMD2
DIMMB2
DIMMD1
DIMMA1
DIMMA2