MSI

MSI B450 GAMING PLUS AMD Ryzen Motherboard

4.6 (527 reviews)

ATX gaming motherboard with AMD B450 chipset, dual-channel DDR4 up to 3466 MHz, and M.2 storage for Ryzen builds.

$199.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The MSI B450 GAMING PLUS is an ATX motherboard built around AMD's B450 chipset, targeting gamers assembling systems with Ryzen 1st or 2nd generation processors on the AM4 socket. It features four DDR4 DIMM slots supporting up to 64GB of memory, with JEDEC-standard speeds from 1866 to 2667 MHz and overclocked speeds reaching 3466 MHz through A-XMP OC mode. An M.2 slot provides high-speed NVMe storage capability, while USB 3 ports handle fast peripheral and external storage connections.

MSI includes several gaming-oriented software features with this board. Game Boost offers one-click overclocking to push CPU performance without manual BIOS configuration, while X-Boost optimizes data transfer speeds for connected USB devices. The GAMING Hotkey feature provides quick access to commonly used functions during gameplay. The board supports 2-Way AMD CrossFire for those wanting to run dual AMD graphics cards, and includes DVI and HDMI outputs for systems using Ryzen APUs with integrated Vega graphics. MSI notes that the board underwent 24-hour on- and offline testing by eSports players as part of their gaming certification process.

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. 4 DIMM slots

In-Game Weapons: Game Boost, GAMING Hotkey, X-Boost

GAMING CERTIFIED: 24-hour on- and offline game and motherboard testing by eSports players

Specifications

Brand
MSI
Model
B450 GAMING PLUS
Form Factor
ATX
Socket
AM4
Chipset
AMD B450
CPU Support
AMD Ryzen 1st & 2nd Gen, Ryzen with Radeon Vega Graphics
Memory
4 DIMM slots, Dual Channel DDR4, up to 64GB
Memory Speeds
1866–2667 MHz (JEDEC), up to 3466 MHz (A-XMP OC)
Multi-GPU
2-Way AMD CrossFire
Storage
M.2
USB
USB 3
Video Output
DVI, HDMI

Pros & Cons

👍 Pros

  • Supports up to 64GB DDR4 with overclocked speeds up to 3466 MHz via A-XMP
  • Four DIMM slots and M.2 storage support for a well-rounded feature set at this price point
  • Game Boost and X-Boost utilities simplify performance tuning without manual BIOS tweaking
  • 2-Way AMD CrossFire support for dual-GPU configurations

👎 Cons

  • Limited to AMD Ryzen 1st and 2nd generation processors with no official 3rd gen support out of the box
  • No NVIDIA SLI support, restricting multi-GPU options to AMD cards only
  • B450 chipset lacks PCIe 4.0 support found on newer AMD platforms
  • No integrated Wi-Fi, requiring a separate adapter for wireless connectivity

Frequently Asked Questions

It supports AMD Ryzen 1st and 2nd generation processors as well as Ryzen processors with Radeon Vega Graphics, all using the AM4 socket.
It supports up to 64GB of DDR4 memory across 4 DIMM slots in a dual-channel configuration.
It supports 2-Way AMD CrossFire technology for running two AMD graphics cards, but it does not support NVIDIA SLI.
It supports JEDEC standard speeds of 1866 to 2667 MHz, and overclocked speeds up to 3466 MHz via A-XMP OC mode.
It includes DVI and HDMI video outputs for use with Ryzen APUs that have integrated Radeon Vega graphics.