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ASUS PRIME X370-A ATX motherboard, dark PCB with silver heatsinks

ASUS

ASUS PRIME X370-A AMD X370 motherboard

SKU CH-K9ES-51XWC

Socket AM4 ATX motherboard with AMD X370 chipset supporting up to 64GB DDR4 memory in the PRIME X370-A design

  • CPU socketSocket AM4
  • ChipsetAMD X370
  • Max supported RAM64 GB
  • AM4 socket accepts current AMD desktop CPUs
  • X370 chipset unlocks overclocking for enthusiasts
  • 64 GB DDR4 ceiling handles heavy multitasking
  • ATX layout fits standard full-size cases
  • Includes CMOS battery SATA cable I/O shield

ASUS PRIME X370-A AM4 DDR4 Motherboard

The ASUS PRIME X370-A is an ATX motherboard built around the AMD X370 chipset for Socket AM4 processors. It supports DDR4 memory up to a maximum capacity of 64GB across its DIMM slots. The board targets builders who need a standard ATX form factor for AM4-based systems. It provides the core platform features expected from the X370 chipset in a conventional layout.

Bundled CMOS Battery SATA Cable I/O Shield

The package includes a CMOS battery, one SATA cable and a chassis I/O back panel to complete a basic installation. These accessories replace the usual retail box contents so the board can be installed immediately without sourcing separate parts. No additional cables, Wi-Fi antenna or mounting hardware are supplied beyond the listed items. The bundle covers only the essentials required for power-on and primary storage connection.

AMD X370 Chipset Interface Constraints

The AMD X370 chipset determines the native I/O and expansion limits available on this motherboard. Storage devices connect through SATA interfaces provided by the chipset and any additional onboard controllers. Expansion slot bandwidth and USB connectivity follow the X370 specification rather than newer chipset revisions. Builders should match peripheral choices to the capabilities defined by the X370 platform.

How it compares

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

Price $87.99
Cheaper than about 80% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineASUS PRIME X370-A
Model nameASUS PRIME X370-A
Processor
CPU socketSocket AM4
ChipsetAMD X370
Memory
Max supported RAM64 GB

Questions about this item

Will the included CMOS battery need replacing during the board's life?

The package includes a CMOS battery; typical coin cells last several years under normal use and can be swapped without tools when the system clock drifts.

What is the maximum memory capacity the X370 chipset can address?

The chipset supports up to 64 GB of DDR4 across the available DIMM slots.

How much heat does the X370 chipset generate during continuous operation?

The X370 chipset runs at modest power levels; a standard case airflow path is usually sufficient to keep temperatures in check.

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