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Micro-ATX motherboard with black PCB and grey heatsinks

ASUS

ASUS TUF GAMING B550M-E AMD motherboard

SKU CH-E581-STK63

Micro ATX board with AM4 socket and B550 chipset supporting up to 128 GB of DDR4 memory

  • CPU socketSocket AM4
  • ChipsetAMD B550
  • Max supported RAM128 GB
  • Socket AM4 fits compatible AMD processors
  • AMD B550 chipset provides platform features
  • DDR4 memory supported up to 128GB total
  • Micro ATX form factor suits compact builds
  • Includes CMOS battery, SATA cable and I/O shield

Socket AM4 micro-ATX board for mainstream builders

The ASUS TUF GAMING B550M-E fits Socket AM4 processors on the AMD B550 chipset in a micro-ATX layout. It supports up to 128GB of DDR4 memory across four slots. The compact form factor suits smaller cases while keeping core enthusiast features.

B550 chipset with VRM heatsinks for steady

The AMD B550 chipset links the CPU to storage and peripherals through PCIe 3.0 and 4.0 lanes. Onboard VRM heatsinks dissipate heat during extended workloads so clocks remain stable. Fan headers allow targeted airflow over the power phase area when loads stay high.

Reinforced PCIe slot and metal back I/O shield

A stainless-steel reinforced primary PCIe slot resists flex when large graphics cards are installed. The pre-mounted metal I/O shield simplifies installation and protects rear ports from accidental knocks. Included SATA cable and CMOS battery let you complete a build without extra parts.

How it compares

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

Price $123.99
Cheaper than about 69% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineASUS TUF GAMING B550M-E
Model nameASUS TUF GAMING B550M-E
Processor
CPU socketSocket AM4
ChipsetAMD B550
Memory
Max supported RAM128 GB

Questions about this item

How much power does the ASUS TUF GAMING B550M-E draw and how hot does it get when running all day?

The board uses the AMD B550 chipset and Socket AM4, which are designed for efficient operation under sustained loads.

What components must I already own for the ASUS TUF GAMING B550M-E to function?

You need a Socket AM4 processor and DDR4 memory modules; the board supports up to 128GB of RAM.

Will my existing SATA drives work with the ASUS TUF GAMING B550M-E?

Yes, the motherboard includes SATA ports and the package supplies one SATA cable for connecting older storage devices.

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