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Green Micro ATX motherboard with black heatsinks and silver CPU socket

ASUS

ASUS TUF GAMING B450M-PLUS II AMD motherboard

SKU CH-E4TC-87CE7

Micro ATX board with AMD B450 chipset, Socket AM4 and DDR4 support up to 128GB

  • CPU Socket TypeSocket AM4
  • ChipsetAMD B450
  • Maximum Memory Supported128GB
  • Socket AM4 fits AMD AM4 processors
  • AMD B450 chipset powers gaming builds
  • DDR4 support up to 128GB memory
  • Micro ATX form fits compact cases
  • Includes SATA cable and I/O shield

AM4 Platform Foundation

The ASUS TUF GAMING B450M-PLUS II is a Micro ATX motherboard built around the AMD B450 chipset for Socket AM4 processors. It supports DDR4 memory up to 128GB, giving builders a compact base for capable gaming or productivity systems.

Thermal and Power Behaviour

The board uses military-grade TUF components and enhanced VRM cooling to manage power delivery during sustained loads. Fan headers are tuned for quieter operation at typical speeds, keeping acoustic output low while maintaining stable temperatures.

Included Essentials Only

The package supplies the motherboard, a CMOS battery, one SATA cable and a chassis I/O back panel. No additional brackets, RGB strips or software bundles are provided, so plan for any extra cables or mounting hardware separately.

Highlights

  • Socket AM4 fits AMD AM4 processors
  • AMD B450 chipset powers gaming builds
  • DDR4 support up to 128GB memory
  • Micro ATX form fits compact cases
  • Includes SATA cable and I/O shield

Specifications

BrandASUS
SeriesASUS TUF GAMING B450M-PLUS II
ModelASUS TUF GAMING B450M-PLUS II
CPU Socket TypeSocket AM4
ChipsetAMD B450
Maximum Memory Supported128GB

Questions about this item

How do I install the ASUS TUF GAMING B450M-PLUS II into a Micro ATX case without bending the board?

Align the nine mounting holes with the standoffs pre-installed in the chassis, lower the board straight down, then secure each screw in a diagonal sequence so the PCB seats evenly. The step people skip is checking that no stray standoff touches the back of the board.

What maintenance will the included CMOS battery need over time?

The supplied CMOS battery keeps BIOS settings and the system clock alive when the PC is unplugged; when the clock starts drifting or settings revert on every boot, replace the battery with an identical coin cell.

What limit appears first when the B450 chipset runs sustained heavy I/O?

The chipset heatsink is passively cooled, so prolonged high-bandwidth transfers across its four SATA ports can raise its temperature until thermal throttling reduces throughput.

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