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Green Micro ATX motherboard with black AM4 socket, four RAM slots and silver heatsinks

MSI

MSI A320M-A PRO MAX AMD motherboard AM4 DDR4 Micro ATX

SKU CH-2XNA-ZE659

Micro ATX board for AM4 Ryzen CPUs with DDR4, one M.2 slot, four SATA ports and 7.1 audio

  • CPU Socket TypeAM4
  • AMD Ryzen ready with AM4 socket support
  • Micro ATX form factor fits compact PC builds
  • 1 channel audio for immersive sound output
  • 32 GB DDR4 maximum capacity for multitasking
  • Four SATA III ports connect multiple storage drives

Socket AM4 micro-ATX board for AMD Ryzen

This MSI A320M-A PRO MAX uses the AMD A320 chipset in a micro-ATX form factor. It fits Socket AM4 processors from the Ryzen and Athlon X4 series. The board targets budget desktop builds that need a compact footprint and basic expandability.

32 GB DDR4 maximum across two slots

Memory capacity tops out at 32 GB using two DDR4 DIMM slots. This limit decides whether the board suits a given workload; systems needing more RAM must choose a different platform.

Passive chipset cooling

The A320 chipset runs without an active cooler, relying on case airflow. One chassis fan connector and a CPU fan header provide basic thermal management. Power draw stays modest, keeping noise low in typical office or home use.

Highlights

  • AMD Ryzen ready with AM4 socket support
  • Micro ATX form factor fits compact PC builds
  • 1 channel audio for immersive sound output
  • 32 GB DDR4 maximum capacity for multitasking
  • Four SATA III ports connect multiple storage drives

Specifications

CPU Socket TypeAM4

Questions about this item

What does the 32 GB memory limit mean for a typical build?

You can populate both DDR4 slots up to the 32 GB ceiling for everyday workloads.

How fast is the single M.2 slot that uses PCI Express 3.0?

The M.2 slot runs at PCI Express 3.0 speeds, which sets the practical ceiling for any drive installed there.

Will the Micro ATX board fit in a standard case using the six mounting holes?

Yes, the six mounting holes follow the Micro ATX pattern and align with standard case standoffs.

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