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Green micro-ATX motherboard with black heatsinks and silver AM4 socket

ASUS

ASUS TUF B450M-PLUS GAMING AMD motherboard

SKU CH-9N27-K56S9

Micro ATX AMD B450 motherboard with 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 enables overclocking and multi-GPU
  • 128 GB DDR4 maximum memory for heavy workloads
  • Micro ATX form factor suits compact builds
  • Includes CMOS battery, SATA cable and I/O shield

ASUS TUF B450M-PLUS GAMING AM4 Motherboard

The ASUS TUF B450M-PLUS GAMING is a Micro ATX motherboard built on the AMD B450 chipset for Socket AM4 processors. It supports DDR4 memory up to 128GB maximum capacity. The board targets gamers and system builders who want a compact foundation with military-grade TUF components for durability.

Compatibility Checks Before Ordering

Verify your processor uses the Socket AM4 interface and is supported by the AMD B450 chipset. Confirm your memory modules are DDR4 type, as other generations will not fit. Check that your chassis accepts Micro ATX form factor and that your power supply provides the required ATX and CPU power connectors. Ensure you have SATA cables for storage drives if not reusing existing ones.

Build Integration and Expansion

The Micro ATX layout fits smaller cases while retaining four memory slots for up to 128GB DDR4. Onboard SATA ports connect 2.5-inch or 3.5-inch drives directly. A rear I/O panel is included for external connections. The board ships with a CMOS battery and one SATA cable, so plan for additional cables if installing multiple drives. No Wi-Fi antenna is included unless the specific board variant has a built-in module.

Highlights

  • Socket AM4 fits AMD AM4 processors
  • AMD B450 chipset enables overclocking and multi-GPU
  • 128 GB DDR4 maximum memory for heavy workloads
  • Micro ATX form factor suits compact builds
  • Includes CMOS battery, SATA cable and I/O shield

Specifications

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

Questions about this item

Does the ASUS TUF B450M-PLUS GAMING box contain everything needed to install it, or are extra parts required?

The package includes the motherboard, a CMOS battery, one SATA cable and the chassis I/O back panel. A Wi-Fi antenna is supplied only if the board has a built-in Wi-Fi module. No other accessories are included.

How do I decide which memory capacity to populate on the ASUS TUF B450M-PLUS GAMING?

The board supports up to 128 GB of DDR4. Choose a kit that matches your workload and stay within that ceiling.

What does the 128 GB maximum memory figure mean once the ASUS TUF B450M-PLUS GAMING is installed in a system?

It is the total DDR4 capacity the motherboard can address. The actual usable amount depends on the processor's memory controller and the operating system.

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