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ATX motherboard with AM4 socket and DDR4 slots

ASUS

ASUS TUF GAMING B550-PLUS AMD B550 DDR4 128GB ATX Motherboard

SKU CH-7V06-EHGX8

ATX board for Socket AM4 CPUs with AMD B550 chipset supporting up to 128GB DDR4 memory

  • CPU socketSocket AM4
  • ChipsetAMD B550
  • Max supported RAM128 GB
  • Socket AM4 supports compatible AMD processors
  • AMD B550 chipset enables PCIe 4.0 connectivity
  • DDR4 memory architecture scales to 128GB capacity
  • ATX form factor fits standard chassis builds
  • Includes I/O shield, SATA cable and CMOS battery

Socket AM4 B550 motherboard

This ASUS TUF GAMING B550-PLUS is an ATX motherboard built around the AMD B550 chipset for Socket AM4 processors. It supports up to 128GB of DDR4 memory. The board includes a CMOS battery, one SATA cable and an I/O back panel.

Suits AM4 DDR4 builders

This motherboard fits builders assembling or repairing a Socket AM4 system that requires DDR4 memory and an ATX form factor. It does not suit builds that need a newer socket or a different memory generation.

128GB DDR4 maximum

The 128GB maximum memory capacity is the specification that determines whether this board can meet the planned system memory target. Verify that the required module count and density stay within this limit.

How it compares

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

Price $174.99
Cheaper than about 57% of the 1,906 comparable items (median $224.49).

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Specifications

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

Questions about this item

Which AMD processor socket does this board require?

It uses the Socket AM4 interface, so any compatible AM4 CPU will fit.

Can I reuse my existing DDR4 memory kits with this motherboard?

Yes, the board supports DDR4 modules up to a total of 128GB across its slots.

How can I verify the board posts correctly after installation?

Power on the system and confirm the BIOS screen appears; the included CMOS battery maintains settings between boots.

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