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Green Micro ATX motherboard with silver AM4 socket and four black DDR4 slots

ASUS

ASUS PRIME A320M-A AMD A320 DDR4 64GB Micro ATX motherboard

SKU CH-RMBA-3TCP4

Micro-ATX board for Socket AM4 CPUs with AMD A320 chipset and up to 64 GB DDR4 memory

  • CPU socketSocket AM4
  • ChipsetAMD A320
  • Max supported RAM64 GB
  • Socket AM4 fits AMD AM4 desktop processors
  • AMD A320 chipset provides essential platform features
  • DDR4 memory support up to 64 GB capacity
  • Micro ATX form factor fits compact chassis builds
  • Package includes motherboard, CMOS battery, SATA cable and I/O shield

Micro ATX AM4 motherboard for budget builds

The ASUS PRIME A320M-A fits Micro ATX cases and accepts Socket AM4 processors on the AMD A320 chipset. It supports up to 64GB of DDR4 memory for everyday computing tasks.

Bundled SATA cable and I/O shield for immediate

A single SATA cable and a chassis I/O back panel are included so storage drives and rear ports can be connected without extra purchases. A CMOS battery is also supplied to retain firmware settings.

64GB DDR4 maximum decides capacity planning

The board tops out at 64GB of DDR4, so systems needing more memory must choose a different platform. This limit is the key figure when matching the motherboard to your workload.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $76.99
Cheaper than about 84% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineASUS PRIME A320M-A
Model nameASUS PRIME A320M-A
Processor
CPU socketSocket AM4
ChipsetAMD A320
Memory
Max supported RAM64 GB

Questions about this item

Will the CMOS battery on the ASUS PRIME A320M-A need replacement?

The board ships with a CMOS battery included; it typically lasts several years before a swap is needed.

What memory limit does the AMD A320 chipset hit first under sustained load?

The chipset supports up to 64GB of DDR4, so total capacity is the first ceiling you reach.

How much heat or noise does the ASUS PRIME A320M-A produce when running all day?

With no active chipset fan the board runs silently; heat stays low thanks to the A320's modest power draw.

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