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Green rectangular micro-ATX motherboard with silver AM4 socket, black DDR4 slots, metallic heatsinks and rear I/O shield

ASUS

ASUS PRIME B350M-A AMD B350 DDR4 64GB Micro ATX motherboard

SKU CH-C4QS-P9DXY

Micro ATX board with AMD B350 chipset and Socket AM4 supports up to 64GB DDR4 memory

  • CPU Socket TypeSocket AM4
  • ChipsetAMD B350
  • Maximum Memory Supported64GB
  • Supports up to 64GB DDR4 memory for multitasking headroom
  • Socket AM4 compatibility fits a wide range of AMD processors
  • AMD B350 chipset provides essential platform features
  • Micro ATX form factor suits compact chassis builds
  • Includes SATA cable and I/O shield for immediate installation

ASUS PRIME B350M-A AM4 foundation

The ASUS PRIME B350M-A is a Micro ATX motherboard built on the AMD B350 chipset for Socket AM4 processors. It supports DDR4 memory up to 64GB maximum capacity. The compact form factor suits smaller chassis builds that still need full desktop functionality.

Bundled essentials for first boot

The package includes the motherboard, a CMOS battery, one SATA cable and a chassis I/O back panel. These items let you complete a basic assembly and retain BIOS settings without hunting for separate parts. No additional accessories or original packaging are supplied.

Straightforward AM4 installation

Installation follows the standard AM4 mounting pattern and Micro ATX screw layout. The 64GB memory ceiling means populating four DDR4 slots correctly. Common issues arise from forgetting the I/O shield or seating the CMOS battery loosely, which can reset BIOS configuration.

Highlights

  • Supports up to 64GB DDR4 memory for multitasking headroom
  • Socket AM4 compatibility fits a wide range of AMD processors
  • AMD B350 chipset provides essential platform features
  • Micro ATX form factor suits compact chassis builds
  • Includes SATA cable and I/O shield for immediate installation

Specifications

BrandASUS
SeriesASUS PRIME B350M-A
ModelASUS PRIME B350M-A
CPU Socket TypeSocket AM4
ChipsetAMD B350
Maximum Memory Supported64GB

Questions about this item

Will the CMOS battery need replacing on the ASUS PRIME B350M-A?

A fresh CMOS battery is included in the box; it keeps BIOS settings when the PC is unplugged and typically lasts several years before a replacement is required.

What thermal limit appears first on the AMD B350 chipset under continuous load?

The B350 chipset heatsink handles normal daily workloads; sustained heavy I/O or overclocking can push chipset temperatures higher than the CPU socket area.

How much power does the board draw when running all day with 64GB DDR4?

Idle power is low; full 64GB DDR4 population adds a few watts versus half-filled slots, while the Micro ATX VRM delivers clean power to the Socket AM4 CPU without extra fan noise.

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