MSI AMD B550 Gaming GEN3 PCIe 3.0 ATX Refurbished Motherboard

Premium Hardware Design

With years of experience, MSI is no stranger to building high-performance motherboards. Our R&D and engineering teams have reviewed countless designs, evaluated a wide selection of high-quality components, and developed products for reliability even under extreme conditions.

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.

Optimized for Water Cooling

Designed to support the most popular All-In-One & customized water-cooling solutions on the market. A dedicated water pump PIN header supports up to 3 amp, giving you full control of the water pump speed. A clearly marked 'keep-out-zone' allows for easy and safe installation and a perfect fit.

Core Boost

Core Boost technology combines MSI's premium layout and digital power design which allows for faster and undistorted current delivery to the CPU at pin-point precision. This creates the perfect conditions for multi-core CPU while high-loading operation.

1-Second Overclocking!

MSI Game Boost enables one-second overclocking, giving you the performance boost you need to get more FPS.

Load-Line Calibration

What you set, is what you get. LLC makes sure your CPU voltage remains 100% stable under any load. This greatly improves stability when demanding more CPU performance.

Overvoltage Protection

Prevents potential short-circuit damage to the CPU and other critical components.

Digital Power Design

A fully digital power design allows for faster and undistorted current delivery to the CPU at pin-point precision. Creating the perfect conditions for CPU overclocking.

Easy BIOS Recovery with Flash BIOS Button

Run into trouble when updating your BIOS? Simply flash the old BIOS version back and continue gaming within minutes with Flash BIOS Button. Flash BIOS Button even works without a CPU, memory or graphics card installed!

EZ Debug LED

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

Fortify Your System with PCIe 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.

Ultimate Motherboard Protection

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

Windows 11 Certified

MSI motherboards has been built and tweaked for hardcore gaming. Feedback from the world's best esports players and rigorous testing sessions with demanding PC games has resulted in a motherboard that's both powerful and reliable.

Enhanced Performance

High performance MSI motherboards are loaded with advanced features and the latest technology to overwhelm any challenge at hand no matter whether you're a gamer, prosumer, or PC enthusiast.

Fast and Future-Ready Storage

MSI B550 motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier.

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, configurations and even improve overclocking.

Easy Overclocking with A-XMP Profile

The A-XMP in MSI BIOS are tested and certified by MSI OC LAB. It is easy to enable with auto power settings to get the best memory speed and stability.

MSI Center

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

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!
GAME BOOST: Quickly overclock your CPU with a single button for more performance.
A-XMP: Choose from a preset A-XMP profile and automatically overclock compatible DDR memory.
M-FLASH: 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.

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.

Connectivity

MSI motherboards are built with a variety of connectors to satisfy gamers. Enhanced audio, advanced LAN networking capabilities, USB and Mystic Light turn any gaming experience into an immerse one.

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.

High Quality Audio Jacks

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

Boost Your Game Experience with USB 3.2 Gen 2

Read and write your files over USB faster than ever. MSI MAG series motherboards offer a wide variety of options to connect and boost your USB devices, delivering 10Gbps transferring speed by both USB 3.2 Gen 2 Type-A and Type-C.

Extend your RGB Experience with Ease

Wireless devices are also controllable by using MSI Center. Ambient Link perfectly synchronizes MSI Mystic Light products with on-screen gaming and scenarios, as well as the compatible lighting accessories. Bringing you the most immersive and realistic experience.