Dimm Slots; M2_2: M.2 Wi-Fi Module Slot (Key E) - MSI Z270I Quick Start Manual

DIMM Slots

Important
y
Due to chipset resource usage, the available capacity of memory will be a little less
than the amount of installed.
y
Based on Intel CPU specification, the Memory DIMM voltage below 1.35V is
suggested to protect the CPU.
y
Please note that the maximum capacity of addressable memory is 4GB or less
for 32-bit Windows OS due to the memory address limitation. Therefore, we
recommended that you to install 64-bit Windows OS if you want to install more than
4GB memory on the motherboard.
y
Some memory 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).
y
It is recommended to use a more efficient memory cooling system for full DIMMs
installation or overclocking.
y
The stability and compatibility of installed memory module depend on installed CPU
and devices when overclocking.

M2_2: M.2 Wi-Fi module slot (Key E)

This slot is used for the M.2 Wi-Fi module.
14
Overview of Components
DIMMA1
Channel A
DIMMB1
Channel B