MSI PRO B550M-P GEN3 AM4 mATX Desktop Motherboard - I Gaming Computer | Australia Wide Shipping | Buy now, Pay Later with Afterpay, Klarna, Zip, Latitude & Paypal
MSI PRO B550M-P GEN3 AM4 mATX Desktop Motherboard - I Gaming Computer | Australia Wide Shipping | Buy now, Pay Later with Afterpay, Klarna, Zip, Latitude & Paypal
MSI PRO B550M-P GEN3 AM4 mATX Desktop Motherboard - I Gaming Computer | Australia Wide Shipping | Buy now, Pay Later with Afterpay, Klarna, Zip, Latitude & Paypal

MSI PRO B550M-P GEN3 AM4 mATX Desktop Motherboard

Vendor: MSI
Availability: Out Of Stock
Product Type: AMD Motherboard
Buy Now, Pay Later with Zip, Afterpay, Klarna or Shop Pay

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Free standard shipping on orders over $200

MSI Pro B550M-P Gen3 Motherboard

The MSI Pro B550M-P Gen3 Motherboard supports AMD Ryzen 5000 Series / 3000 Series / 4000 G-Series desktop processors, features 4 x DDR4 Memory slots, PCI-E 3.0 compatible expansion slots, 1 x M.2 slots, 4 x SATA ports (6Gb/s), 8 x rear USB ports, 6 x front panel header USB ports, Realtek RTL8111H Gigabit Ethernet, Realtek ALC897 audio codec and a mATX motherboard form factor.




  • Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors
  • Supports DDR4 Memory, up to 4400(OC) MHz
  • Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs
  • Powerful Design: Core Boost, Digital PWM IC, DDR4 Boost
  • Audio Boost: Reward your ears with studio grade sound quality
  • Steel Armor: Protecting VGA cards against bending and EMI for better performance, stability and strength
  • MSI Centre: A brand new software which integrates all MSI exclusive tools with user friendly user interface

Pro Series

PRO series helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity.

User Friendly Design

MSI motherboards feature tons of convenient and smart design for DIY users, countless system tuning and troubleshooting tools are at your disposal to push your system to new heights and satisfy even the most demanding tweaker. Makes it so easy to install your own motherboard without any issue.

Cooling - Fully Fan Control

Fully Controllable in Bios and Software

MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically.

Autodetect PWM Mode with Hysteresis

MSI fan headers automatically detect fans running in PWM mode for optimal tuning of fan speeds and silence. Hysteresis also makes your fans spin up fluently to make sure your system stays silent, no matter what.


MSI Pro B550M-P Gen3 DDR4 128GB mATX Motherboard Feature 1

EZ Debug LED

Ran into trouble? Onboard LEDs for key components will indicate the source of the problem so you know exactly where to look to get it up and running again.

XL Clip

The enlarged PCI-E clip helps you swap or remove your devices easier. Keep the PCI-E slot stronger and safer.

Keep Out Zone

MSI motherboards circuitry ensure the case standoff keep out zones are push and clean, preventing any component contact or damage to the motherboard.

Avoid Collision Notification

Protective paint is printed around each screw hole to prevent parts from being scratched.


  • Ryzen™ 5000 series & 3000 series processors support
  • Extreme stability & compatibility testing for memory
  • Windows 11 certified

Reliable Components

MSI Pro B550M-P Gen3 DDR4 128GB mATX Motherboard Feature 2

Steel Armour - Fortify Your System with PCI-E Steel Armor

MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points and support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor shields the point of contact from electromagnetic interference.

Double ESD Protection - Ultimate Motherboard Protection

Double ESD protection doubles up the grounding layer around the mounting holes, preventing static discharge surges from damaging the motherboard.


The most important thing of DIY is expandability. MSI PRO series motherboards feature plenty possibility for prosumer's need. Stable LAN, faster storage and USB transfer speed and other expandable connectors are ready to enlarge your flexibility.


Fast and Future-Ready Storage

MSI PRO series motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier.

MSI Pro B550M-P Gen3 DDR4 128GB mATX Motherboard Feature 3


USB 3.2 Gen 1

Transfer lots of data, music and movies over USB easier. USB 3.2 Gen 1 ports are ready in both front and rear IO, provides wide variety of options to connect your USB 3.2 Gen 1 devices.

Experience More

MSI PRO series motherboards are designed to satisfy any professional workflow. Elevate your listening pleasure and enjoy extreme sound quality. Moreover, with years of experience in creating performance enhancing tools that are easy to use, only the highest quality applications are at your disposal. The extensive features let you fine-tune your system to deliver reliable maximum performance.


MSI Pro B550M-P Gen3 DDR4 128GB mATX Motherboard Feature 4

DDR4 Boost - Extreme Stability & Compatibility Testing

MSI conducts thorough memory testing with the most popular memory brands under extreme conditions to ensure your system runs stable no matter what. Our memory partners include brands like Corsair, Crucial, Kingston, G.Skill and many more to optimize memory modules and configurations.

Core Boost

Core Boost technology combines MSI's premium layout and optimized power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. Not only supporting multi-core CPU, also creating the perfect conditions for your CPU overclocking.

MSI Pro B550M-P Gen3 DDR4 128GB mATX Motherboard Feature 5

Audio - Audio Boost

Dedicated High Definition Audio Processor

Make sure you enjoy the purest sound quality in both stereo and surround sound.

High Quality Audio Capacitors

A high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured.

HD Audio Connectors

Keep you sound perfect by transmit your audio with pure digital signal.

Isolated Audio Signal

Isolated Audio Design

Like a dedicated sound card, audio components and circuits have been laid on a reserved motherboard section and electrically isolated.

Separated Audio Layers for Clean Left & Right Channels

Using separated layers in the PCB ensures equally pristine sound quality for both left and right audio channels.

BIOS & Software

MSI Centre

MSI brand new MSI Centre unifies a suite of MSI software utilities into a single centralized application. Take control of advanced motherboards features and unleash endless possibilities.

True Colour

Optimized monitor’s brightness and colour in several modes for different situation, you can also customize by yourself

Live Update

Never miss out on important updates. MSI Live Update automatically downloads and installs the latest drivers, BIOS and software so you can focus on your work

User Scenario

One click for setting your computer, even customize own profile as your preference

Hardware Monitoring

Get immediate access to your critical hardware information in real-time

Fan Centre

Assume complete control of your fans with Fan Centre. Set up to four CPU temperature targets and the motherboard will adjust fan speeds automatically

Product Registration

Register your MSI product to enjoy a host of benefits!

Click BIOS 5

Get more from a loaded BIOS designed for ease of use. Fine-tune the motherboard for gaming performance, efficiency, or overclocking world records!

  • EZ-Mode
  • Advanced Mode


Choose from a preset A-XMP profile and automatically overclock compatible DDR memory


Conveniently flash or upgrade the BIOS in a few minutes from the CMOS Setup Utility

Hardware Monitor

Get immediate access to your critical hardware information in real-time including temperature, memory capacity, clock speed, and voltage

Memory Try It

Get extreme speed out of your system memory and get more performance

Search & Favourites

A permanent search & favourite option in the top right corner moves you through the BIOS menus quickly

MSI Pro B550M-P Gen3 DDR4 128GB mATX Motherboard Feature 6

Resizable Bar (Re-Size Bar)

Resizable BAR (Re-Size BAR) is an advanced PCI Express feature that enables the CPU to access the entire GPU frame buffer at once and improve performance.

Shipping and Delivery Details

Delivery Times

  • Shipping within W.A is estimated to take 1 to 3 business days.
  • Shipping to QLD, VIC, SA, ACT, NSW is estimated to take 2 to 8 business days.
  • Shipping to Tasmania is estimated to take 6 to 8 business days.

I Gaming Computer does not ship internationally.

Gaming PC's:

Any shipped PC that is faulty within the first two years of receiving it will receive free shipping to and back from the shop for repairs.

Other Shipping Policies:

  • Customers are responsible for all freight charges for redeliveries, refused shipments/incorrect delivery details.
  • Customers are responsible to be available for delivery and to sign and accept the goods, redelivery attempts will be charged to customer if delivery address is unattended.
  • If Australia Post incorrectly deliveries a parcel it is the customers responsibility to dispute with Australia Post.
  • Customers are welcome to use alternative shipping methods upon request.

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