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Green Micro ATX motherboard with silver heatsinks and black PCB

ASUS

ASUS PRIME B350M-K AMD motherboard

SKU CH-8EB5-7ZPTQ

Micro ATX board with AM4 socket and B350 chipset supporting 32GB DDR4 memory

  • CPU socketSocket AM4
  • ChipsetAMD B350
  • Max supported RAM32 GB
  • Socket AM4 supports compatible AMD processors
  • AMD B350 chipset provides platform features
  • DDR4 memory up to 32GB capacity
  • Micro ATX form factor fits compact builds
  • Includes SATA cable and I/O back panel

AM4 socket B350 micro-ATX board

The ASUS PRIME B350M-K is a micro-ATX motherboard built on the AMD B350 chipset for Socket AM4 processors. It supports DDR4 memory up to a maximum of 32 GB and includes a single SATA cable in the package. The board ships with a CMOS battery and an I/O back panel.

Suits budget AM4 builds not heavy overclocking

This board fits cost-conscious builders assembling a Socket AM4 system with standard DDR4 modules and SATA storage. Enthusiasts who need extensive overclocking headroom or multiple high-speed M.2 slots should consider a different chipset. The 100 % pre-shipment inspection covers basic functionality only.

32 GB DDR4 ceiling decides fit

The hard limit of 32 GB DDR4 determines whether this motherboard matches your memory plan; four slots are not confirmed in the supplied data. If your workload demands more capacity you must select a board with a higher supported maximum.

How it compares

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

Price $71.99
Cheaper than about 85% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineASUS PRIME B350M-K
Model nameASUS PRIME B350M-K
Processor
CPU socketSocket AM4
ChipsetAMD B350
Memory
Max supported RAM32 GB

Questions about this item

How do I install the ASUS PRIME B350M-K and what step do people often miss?

Mount the board in a Micro ATX case using the correct standoffs, seat the CPU in the Socket AM4, clip the DDR4 modules until they click, attach the supplied I/O back panel before securing the board, then connect the included SATA cable and CMOS battery — the step most builders forget is fitting the back panel first.

What maintenance or replacement will the ASUS PRIME B350M-K need later?

The only serviceable part is the supplied CMOS battery; replace it when the system loses date and time settings after being powered off.

What limit appears first on the ASUS PRIME B350M-K during sustained use?

The 32 GB DDR4 ceiling is the first hard limit; once all slots are populated you cannot add more memory regardless of workload.

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