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Micro-ATX motherboard, dark PCB with grey heatsinks, Wi-Fi antenna included

ASUS

ASUS TUF GAMING B550M-PLUS (WI-FI) AMD B550 AMD motherboard

SKU CH-5CMM-95X58

Micro-ATX motherboard with AMD B550 chipset, Socket AM4 support and DDR4 memory up to 128GB

  • CPU socketSocket AM4
  • ChipsetAMD B550
  • Max supported RAM128 GB
  • Socket AM4 supports compatible AMD processors
  • AMD B550 chipset provides modern platform features
  • DDR4 memory up to 128GB capacity
  • Micro ATX form factor fits compact builds
  • Built-in Wi-Fi module with included antenna

Socket AM4 Micro-ATX Board

The ASUS TUF GAMING B550M-PLUS (WI-FI) is a Socket AM4 motherboard built around the AMD B550 chipset. It supports DDR4 memory up to 128GB in a compact Micro-ATX form factor. The board includes integrated Wi-Fi and ships with the required antenna.

Compatibility Checklist

Verify that your processor uses the Socket AM4 interface before ordering. Confirm your chassis accepts a Micro-ATX layout and that your power supply provides the necessary CPU and mainboard connectors. Ensure your memory kit matches the DDR4 standard supported by this board.

Build and Connectors

The board arrives with a CMOS battery, one SATA cable and a rear I/O shield. Integrated Wi-Fi reduces cable clutter for wireless networks. The Micro-ATX size fits smaller cases while still offering standard mounting points. Buyers who want more storage connectors or a full-size ATX layout should consider other form factors.

How it compares

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

Price $149.99
Cheaper than about 62% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineASUS TUF GAMING B550M-PLUS (WI-FI)
Model nameASUS TUF GAMING B550M-PLUS (WI-FI)
Processor
CPU socketSocket AM4
ChipsetAMD B550
Memory
Max supported RAM128 GB

Questions about this item

What accessories come in the box and what do I need to add?

The package includes the motherboard, a CMOS battery, one SATA cable, an I/O back panel and the Wi-Fi antenna. CPU, memory, storage, cooler and power supply are not included.

Which memory capacity should I choose for this board?

The board supports up to 128 GB of DDR4 across four slots; pick a kit that matches your workload and budget.

What does the 128 GB memory limit mean once the board is installed?

It is the maximum total DDR4 capacity the board can address; you cannot exceed it regardless of module size.

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