MSI B450I GAMING PLUS AC w/ DDR4-2666, 7.1 Audio, Gigabit LAN, 802.11ac, BT 4.2, PCI-E x16

MX72916 B450I GAMING PLUS AC w/ DDR4-2666, 7.1 Audio, Gigabit LAN, 802.11ac, BT 4.2, PCI-E x16
MX72916 B450I GAMING PLUS AC w/ DDR4-2666, 7.1 Audio, Gigabit LAN, 802.11ac, BT 4.2, PCI-E x16 MX72916 B450I GAMING PLUS AC w/ DDR4-2666, 7.1 Audio, Gigabit LAN, 802.11ac, BT 4.2, PCI-E x16 MX72916 B450I GAMING PLUS AC w/ DDR4-2666, 7.1 Audio, Gigabit LAN, 802.11ac, BT 4.2, PCI-E x16 MX72916 B450I GAMING PLUS AC w/ DDR4-2666, 7.1 Audio, Gigabit LAN, 802.11ac, BT 4.2, PCI-E x16

Product Info

MSI's B450I GAMING PLUS AC: The mATX Wireless Gaming Motherboard


Designed For all AMD Ryzen™ 3, 5 and 7 Series Processors


This B450 Chipset based Motherboard is fully compatible with all AMD Ryzen™ 3, 5 and 7 Series Processors. It is also fully compatible with the 2200G and 2400G Series Ryzen Processors with Integrated Radeon Graphics, offering 2 Video Out Ports with support up to 4K UHD at 30 or 60Hz 1.

Other standard features include 8 Channel Audio support, Gigabit Ethernet, Dual Band Wireless AC and Bluetooth support and PCIe 3.0 x16 Video Card slot support.

Optimized for Gaming, this Motherboard is still a great value, even when used for typical Home & SOHO applications. It is always a great choice for when performance and reliability are most important.

Wireless Gaming In Style!


Unlimited customization options and packed with exclusive gaming features, MSI PERFORMANCE GAMING motherboards offer the best possible gaming experience. This MSI GAMING Series Motherboard is a smaller mATX format, but it still supports the latest storage and connectivity standards, including a powerfully fast M.2 PCIe 3.0 x4 SSD Slot.

M.2 SSDs allow you to connect to ultra-fast storage devices; with transfers up to 32Gbps! This level of storage performance gives you immediate in-game benefits. Start games right away, much faster than from a traditional SATA HDD. Now you can load games and levels faster than ever, and have a real tactical advantage over your enemies with this literally game changing M.2 Storage technology.

MSI's Dual Band Wireless AC Gaming technology takes Wi-Fi Gaming mainstream; just as competitive as wired Ethernet connections. As an added bonus you get Bluetooth v4.2 wireless connectivity too!

Powered by FNATIC


"We are proud to be a part of the MSI GAMING testing program to help give gamers the best hardware to play games at the highest level."

~Olof "olofmeister" Kajbjer, Fnatic CS:GO Team



  • Supports AMD® RYZEN™ 1st and 2nd Gen Processors & Ryzen™ with Radeon™ Vega Graphics Processors for Socket AM4
  • Supports Stock Clocked RAM up to DDR4 2667: also supports Overclocked RAM up to DDR4 3466+
  • Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experiences
  • DDR4 Boost: Gives your DDR4 RAM Memory a performance boost with A-XMP
  • Turbo M.2 and StoreMI: Help deliver M.2 storage speeds Up to 32Gb/s!
  • Intel® Wireless AC: Smart MU-MIMO technology delivers AC speeds up to 433Mbps with lower CPU loading and is competitive vs. Ethernet
  • VR Ready: Automatically optimize your system for VR usage, pushing maximum performance higher
  • Weaponized Gaming Apps: Game Boost, GAMING Hotkey & X-Boost
  • EZ Debug LED: The easiest way to troubleshoot
  • GAMING CERTIFIED: 24-hour on and offline game and motherboard testing by eSports players

Cooling: Stay Cool While Gaming

Cooling your PC is essential for reliable performance. MSI made sure to include enough fan headers with full control to allow you to cool your system any way you want.

  • 2x Fan Headers
  • DC / PWM Fan Modes
  • Full Fan Control

Gaming Features: Your In-game Advantage

Outsmart and outperform your opponents in-game using an array of unique MSI GAMING tools. Clever hardware & software tools, created to keep you one step ahead of the competition and boost your skills.

  • Gaming Hotkey
  • Gaming Device Port
  • Game Boost

Storage: Be the first on the Virtual Battlefield

This MSI GAMING motherboard supports all the latest storage standards. This allows you to connect any ultra-fast storage device, giving you in-game benefits. Start games faster, load levels faster and have a real advantage over your virtual on-line enemies.

  • 1x Turbo M.2 MVMe PCIe 3.0 x4 Slot
  • Boost your storage

MSI STOREMI SSD Performance technology

All MSI XB450 motherboards are shipped with STOREMI; the new AMD SSD technology to improve storage performance. This tool helps create a virtual SSD by blending capacity storage, treats flash as primary storage and optimizes data access with monitoring continuously. All these functions can enhance read/write speed for active data and provide fast boot times and application startup.

  • Lower Costs
  • More Performance
  • More Usable Capacity
  • Use any SSD you want

VR: Immerse Yourself Into Virtual Worlds

Integrating the very best of cutting edge technologies on MSI hardware gives you a smooth VR ride. Through joint efforts with major VR brands, combined with unique MSI features geared to VR, MSI brings Gamers and VR Professionals a vivid and realistic experience in which content truly comes alive.

Audio: Sound that pulls you into the game

Get the most immersive sound experiences when gaming. MSI Audio Boost delivers the highest sound quality through the use of premium quality audio components. This lets you enjoy breathtaking, game changing sound to create the most exciting gameplay.

  • Audio Boost
  • Audio Headphone Amplifier
  • Audio Grade Capacitors

Gaming LAN: Dominate the game with the lowest latency

Get ready to crush your enemies on the battlefield with MSI GAMING LAN. Featuring the highest quality components tuned to deliver the best online gaming experience without lag.

  • LAN Protect Circuitry
  • Intel® Dual Band AC WiFi
  • Intel® Bluetooth v4.2

Memory: Unmatched memory performance

MSI motherboards are crammed with features to fuel your Gaming Rig's memory with more speed, higher overclockability and increased stability.

  • Optimal Layout
  • 100% Compatibility
  • A-XMP

Tuning: Designed for Limitless Tuning

Founded on experience and with a long history of creating the best performing motherboards packed with smart features, you can count on this motherboard to deliver the best performance under the most extreme conditions. Countless system tuning and troubleshooting tools are at your disposal to push your system to new heights and satisfy even the most demanding tweaker.

  • For power users
  • 9 Phase Power Design

USB 3.1 Ports: Maximize your USB device performance

Transfer your favorite games, music and movies over USB faster than ever. MSI offers a wide variety of options to connect and boost your USB 3.1 devices, delivering lightning-fast transfer speeds up to 5Gb/s!

Software: Apps To Greatly Improve Effiency

MSI has years of experience in creating performance enhancing tools that are easy to use, only the highest quality applications are at your disposal. Use these tools to get the most out of your motherboard and achieve victory when gaming!

  • X-Boost
  • Command Center
  • Live Update
  • RAMDisk

Quality & Protection: Built on Everlasting Quality

Using only the finest quality components and integrating the latest technological innovations delivers the best possible professional experience. Rigorous quality testing under the most extreme conditions ensures a super reliable, long-lasting and high performance motherboard.

  • Steel Slot
  • Windows 10 certified

BIOS: A Gamer's BIOS

MSI made sure our BIOS contains all the latest options and is easy to use for everyone. The extensive features let you fine-tune your system to deliver reliable maximum performance when gaming.

  • Easy / Advanced Modes
  • Convenient Search
  • Hardware Monitor

Additional Information:

Visit the Manufacturer Web Page for Full Details

I/O Panel



Supports both types of Ryzen™ Processors:

  • Supports AMD® Ryzen™ 3 / 5 / 7 Series Processors (without integrated Radeon Vega Graphics)
  • Supports AMD® Ryzen™ with Radeon Vega Graphics Processors (with integrated Radeon Vega Graphics)

System Requirements

  • Windows® 10, 64bit
  • Windows® 7, 64bit*
    • * To support Windows® 7 64-bit, you can not use an AMD Processor with integrated Radeon Vega Graphics
  • AMD® Ryzen™ 3 / 5 / 7 Series Processors
  • AMD® Ryzen™ with Radeon Vega Graphics Processors:
    • Ryzen™ 5 2400G Processors
    • Ryzen™ 3 2200G Processors


Make and Model MSI B450I GAMING PLUS AC
CPU Support Supports AMD® Ryzen™ Series 3 / 5 / 7 Processors for Socket AM4
Supports AMD® Ryzen™ with Radeon Vega Graphics Processors for Socket AM4
Chipset AMD® B450 Chipset
CPU Socket AMD Socket AM4
Memory 2x DDR4 DIMM Slots, 32GB Maximum (2x 16GB)
Supports Stock Clocked RAM up to DDR4-2666 (JEDEC)
Supports Overclocked RAM up to DDR4-3466+ (A-XMP OC Mode)

Dual channel memory architecture
Only supports ECC Memory in non-ECC Mode

Expansion Slots 1x PCIe 3.0 x16 slot*
*(x8 Mode only on AMD® Ryzen™ with Radeon Vega Graphics processors)
Multi-GPU Support Not Supported by 1x PCIe x16 Card Slot
Video Out Ports1 Rear Panel Video ports are only supported by AMD® Ryzen™ with Radeon Vega Graphics Processors

1x HDMI v1.4 port1, up to 4,096 x 2,160 @ 30Hz
1x DisplayPort port1, up to 4,096 x 2,304 @ 60Hz

Maximum Shared DDR4 RAM: 2GB
Storage AMD® B450 Chipset:

1x M.2 (Key M) 2242 / 2260 / 2280 PCIe 3.0 x4 slot
Supports M.2 PCIe 3.0 x4 SSD Card
1x M.2 Slot (used by Intel® M.2 Wireless Card)

4x SATA 6Gb/s ports w/ RAID 0, 1 & 10
USB Back Panel:
4x USB 3.1 Gen1 Type-A (5Gbps) ports on back panel
2x USB 2.0 Type-A (480Mbps) ports on the back panel

Internal Connectors:
2x USB 3.1 Gen1 (5Gbps) ports via 1x internal USB connector
2x USB 2.0 (480Mbps) ports via 1x internal USB connectors

LAN Realtek® 8111H Chipset:
1x Gigabit RJ45 LAN port
Audio Realtek® ALC887 Codec:
8-Channel 7.1 High Definition Audio
3x 3.5mm Rear Audio Jacks
1x Internal Header for Front Panel HD Stereo Audio jack
Back Panel I/O 1x PS/2 Keyboard / Mouse Combo port
4x USB 3.1 Gen1 Type-A (5Gbps) ports (Red)
2x USB 2.0 Type-A (480Mbps) ports (Black)
1x DisplayPort port1
1x HDMI™ port1
1x RJ45 Gigabit LAN port
3x 3.5mm Audio jacks
2x Gold Plated Antenna jacks
Internal I/O Connectors 1x 24-pin ATX main power connector
1x 8-pin ATX 12V power connector
4x SATA 6Gb/s connectors
1x USB 2.0 connector (for 2x USB 2.0 ports)
1x USB 3.1 Gen1 connectors (for 2x USB 3.1 Gen1 ports)
1x 4-pin CPU fan connector
1x 4-pin System fan connector
1x Front panel audio connector
2x System panel connectors
1x Chassis Intrusion connector
1x Clear CMOS jumper
2x 5050 RGB LED Strip Connectors (12Vdc )
Form Factor mini-ITX Form Factor
Dimensions (LxW) 170 x 170mm
Weight N/A
  1. Rear Panel Video Port use requires a compatible AMD® Ryzen™ with Radeon Vega Graphics Processor for AM4 Socket