MSI

MSI B450-A PRO Ryzen AM4 ATX Motherboard

Build Your Dream PC with MSI's Reliable Motherboard The MSI B450-A PRO Motherboard offers a solid foundation for your AMD Ryzen-based PC build. Designed for stability and performance, it supports multiple GPUs, fast storage options, and high-speed memory. Specifications: Brand: MSI M...

$199.99*
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*Price sourced from Amazon.com. Last updated:Sep 12, 2026.Price and availability are subject to change — details.

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Overview

Build Your Dream PC with MSI's Reliable Motherboard

The MSI B450-A PRO Motherboard offers a solid foundation for your AMD Ryzen-based PC build. Designed for stability and performance, it supports multiple GPUs, fast storage options, and high-speed memory.

Specifications:

  • Brand: MSI
  • Model: B450-A PRO
  • Socket: AM4
  • Chipset: AMD B450
  • Processor Support: AMD Ryzen 1st and 2nd Gen / Ryzen with Radeon Vega Graphics Processors
  • Memory Support: Up to 64GB DDR4
  • Multi-GPU Support: 2-Way AMD Crossfire Technology
  • USB: USB 3
  • Video Output: D-SUB, DVI, HDMI
  • Form Factor: ATX

Key Features

Support AMD Ryzen 1st and 2nd Generation / Ryzen with Radeon Vega Graphics Processors for Socket AM4

Supports 64GB Dual Channel DDR4 Memory 1866/ 2133/ 2400/ 2667 MHz by JEDEC, and 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz by A-XMP OC MODE

Supports 2-Way AMD Crossfire Technology

X-Boost: Great tool to boost your USB & Storage performance

Audio Boost: Reward your ears with studio grade sound quality for a HI-FI experience

Specifications

Processor Support
AMD Ryzen 1st and 2nd Generation / Ryzen with Radeon Vega Graphics Processors
Socket Type
AM4
Memory Support
64GB Dual Channel DDR4
JEDEC Memory Frequencies
1866/ 2133/ 2400/ 2667 MHz
A-XMP OC MODE Memory Frequencies
2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz
Multi-GPU Support
2-Way AMD Crossfire Technology
Special Features
X-Boost, Audio Boost

Frequently Asked Questions

This motherboard supports AMD Ryzen 1st and 2nd Generation processors, as well as Ryzen processors with Radeon Vega Graphics for Socket AM4.
The MSI B450-A PRO motherboard supports up to 64GB of Dual Channel DDR4 Memory.
Yes, it supports DDR4 memory speeds up to 3466 MHz when using A-XMP OC MODE, in addition to standard JEDEC frequencies.
Yes, the MSI B450-A PRO motherboard supports 2-Way AMD Crossfire Technology, allowing for multi-GPU configurations.
X-Boost is a great tool designed to boost the performance of your USB and Storage devices, providing faster data transfer and access.