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MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX

SKU
7C56-002R
161 pieces available
Your price £91.43
In stock
AMD B550, AM4, 4x DDR4, HDMI, DP, SATA III, M.2, USB 3.2, 1G LAN, PS/2, ATX, 305x244 mm
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Overview
Full specs

Overview

Highlights

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.

THERMAL SOLUTION FOR MORE CORES AND HIGHER PERFORMANCE
With more cores’ processors, thermal and power design is more important to make sure the temperature keeps lower. MSI extended PWM heatsink with 7W/mK thermal pad ensures even high-end processors to run in full speed with MSI motherboards.

M.2 SHIELD FROZR
World’s fastest SSDs can start to lower performance when getting hot. Part of the motherboards heatsink design, M.2 SHIELD FROZR is the next generation M.2 thermal solution to avoid this by offering the best thermal protection to make sure that SSD maintains maximum performance.

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.

EASY BIOS RECOVERY WITH FLASH BIOS BUTTON
Run into trouble when updating your BIOS? Simply flash the old BIOS version back and continue working 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.

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

EASY TO ARRANGE YOUR CABLES
Not clever at cable arrangement? MSI Atypical PCB design not only the identity of stylish but also makes SATA and USB cable routing easier. Arranges cable neatly even you are not familiar with system build.

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.

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

CONNECTIVITY
The most important thing of DIY is expandability. MSI PRO series motherboards feature plenty possibility for prosumers’ 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.

LIGHTNING GEN 4 M.2
Utilizing 3rd Gen Ryzen processors, MSI B550 motherboards feature latest Lightning Gen 4 M.2 which is the fastest onboard storage solution on the market with up to 64 Gb/s transfer speed.

MAXIMIZE YOUR USB DEVICE PERFORMANCE
Read and write your files over USB faster than ever. MSI PRO 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.

USB FRONT TYPE-C
MSI motherboards support USB Front Type-C that allows gamers to connect with the latest USB devices. Built up a system with MSI PC case to have the most convenient experience.

EXTEND YOUR RGB EXPERIENCE WITH EASE
Add your color if you want! Mystic Light Extension pin header provides an intuitive way to control additional RGB strips and other RGB peripherals added to a system, without needing a separate RGB controller.

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.

PCB WITH 2OZ THICKENED COPPER
An enhanced PCB design with 2oz thickened copper increases conductivity, improving heat dissipation and performance reliability especially during overclocking.

10 + 2 + 1 DIGITAL POWER WITH DOUBLER DESIGN
Unleash and sustain maximum performance with an aggressive VRM design built with a total of 10 phases Digital Power with Doubler Design. Combining exclusive Core Boost technology, PRO series motherboard is ready to sustain heavy daily work.

LIGHTNING GEN 4 PCI-E
MSI lightning Gen 4 PCI-E is the latest and the fastest PCI-E data transfer solution with 64GB/s of unidirectional transfer bandwidth that has doubled compared to its previous generation. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications. Optimized by steel armor design and server grade PCB, you can enjoy next-gen devices without any compromise.

A HUGE STEP OF DDR PERFORMANCE
MSI OC LAB does not merely work hard on extreme overclocking. Compared to B450 motherboard memory A-XMP profile, MSI does have great improvement on performance and efficiency for B550 motherboards. Easy to enable A-XMP profile with auto power settings to get the best memory speed and stability.

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.

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 aduio 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.

DRAGON CENTER
MSI brand new Dragon 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!

CREATOR GENIE
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 & FAVORITES
A permanent search & favorite option in the top right corner moves you through the BIOS menus quickly.

Good to know

Processor

  • Compatible processor series
    AMD Ryzen 3 3rd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen
  • ECC supported by processor
    No
  • Maximum number of SMP processors
    1.000000
  • Processor manufacturer
    AMD
  • Processor socket
    Socket AM4

Memory

  • ECC
    No
  • Memory channels
    Dual-channel
  • Memory slots type
    DIMM
  • Non-ECC
    No
  • Number of memory slots
    4.000000

Storage controllers

  • RAID support
    No
  • SAS controller
    No
  • Supported storage drive interfaces
    SATA III
  • Supported storage drive types
    HDD & SSD

Graphics

  • Discrete graphics support
    No
  • HDCP
    No
  • Maximum graphics card memory
    16000.000000
  • Maximum resolution
    4096 x 2160
  • On-board graphics card
    No

Full Specs

    Logistics data
    • Harmonized System (HS) code
      84733020
    BIOS
    • Clear CMOS button
      No
    • Clear CMOS jumper
      No
    • Plug and Play
      No
    Technical details
    • FireWire support
      No
    • Integrated LAN
      No
    • Sustainability compliance
      No
    Expansion slots
    • Number of M.2 (M) slots
      2.000000
    • PCI Express x1 (Gen 3.x) slots
      2.000000
    • PCI Express x16 (Gen 3.x) slots
      1.000000
    • PCI Express x16 (Gen 4.x) slots
      1.000000
    Storage controllers
    • RAID support
      No
    • SAS controller
      No
    • Supported storage drive interfaces
      SATA III
    • Supported storage drive types
      HDD & SSD
    Processor
    • Compatible processor series
      AMD Ryzen 3 3rd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen
    • ECC supported by processor
      No
    • Maximum number of SMP processors
      1.000000
    • Processor manufacturer
      AMD
    • Processor socket
      Socket AM4
    Graphics
    • Discrete graphics support
      No
    • HDCP
      No
    • Maximum graphics card memory
      16000.000000
    • Maximum resolution
      4096 x 2160
    • On-board graphics card
      No
    • Parallel processing technology support
      2-Way CrossFireX
    Network
    • Bluetooth
      No
    • Ethernet LAN
      No
    • Ethernet interface type
      Gigabit Ethernet
    • LAN controller
      Realtek 8111H
    • Near Field Communication (NFC)
      No
    • Wake-on-LAN ready
      No
    • Wi-Fi
      No
    Features
    • Audio chip
      Realtek ALC892
    • Audio output channels
      7.1
    • Component for
      PC
    • Embedded USB (eUSB) SSD option
      No
    • Motherboard chipset family
      AMD
    • Number of mounting holes
      9.000000
    • Rack-Friendly board
      No
    • Watch Dog function
      No
    Memory
    • ECC
      No
    • Memory channels
      Dual-channel
    • Memory slots type
      DIMM
    • Non-ECC
      No
    • Number of memory slots
      4.000000
    • Supported memory clock speeds
      2133, 2400, 2800, 3000, 3200, 3466, 3600, 3733, 3866, 4133, 4400, 4800, 2933, 4000, 4266, 1866, 2667, 3066
    • Supported memory types
      DDR4-SDRAM
    • Unbuffered memory
      No
    Packaging content
    • Antenna included
      No
    • Batteries included
      No
    • Cables included
      SATA
    • Drivers included
      No
    • M.2 standoff included
      No
    • Manual
      No
    • Screws included
      No
    • User guide
      No
    Rear panel I/O ports
    • DisplayPorts quantity
      1.000000
    • Ethernet LAN (RJ-45) ports
      1.000000
    • HDMI ports quantity
      1.000000
    • IPMI LAN (RJ-45) port
      No
    • Line-in
      No
    • Microphone in
      No
    • PS/2 ports quantity
      1.000000
    • Rear speaker out
      No
    • S/PDIF out port
      No
    • Subwoofer out
      No
    • USB 2.0 ports quantity
      4.000000
    • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
      2.000000
    • USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
      1.000000
    • USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
      1.000000
    Internal I/O
    • 12V power connector
      No
    • ATX Power connector (24-pin)
      No
    • Audio connector
      No
    • CD/AUX audio in
      No
    • CPU fan connector
      No
    • Chassis intrusion connector
      No
    • EPS power connector (8-pin)
      No
    • Front panel audio connector
      No
    • Front panel connector
      No
    • Number of SATA III connectors
      6.000000
    • Number of chassis fan connectors
      6
    • Parallel connector
      No
    • Power fan connector
      No
    • RGB LED pin header
      No
    • S/PDIF out connector
      No
    • TPM connector
      No
    • USB 2.0 connectors
      2.000000
    • USB 3.2 Gen 1 (3.1 Gen 1) connectors
      1.000000
    Other features
    • BIOS switch button
      No
    • Back-to-BIOS button
      No
    • CF card connector
      No
    • Combo headphone/mic port
      No
    • DC-in jack
      No
    • DVI port
      No
    • Disk on Module (DOM) power connector
      No
    • DualBIOS
      No
    • Embedded options available
      No
    • IPMI 2.0 slot
      No
    • Intel Node Manager
      No
    • Intel® vPro™ Platform Eligibility
      No
    • LVDS connector
      No
    • Maximum internal memory
      128.000000
    • PCI Express x16 dual x8/x8 mode
      No
    • Parallel port via internal header
      No
    • Quick installation guide
      No
    • Registered
      No
    • S/PDIF in connector
      No
    • S/PDIF in port
      No
    • Serial port via internal header
      No
    • Supplemental SKU
      No
    • Utilities included
      No
    Processor special features
    • Execute Disable Bit
      No
    • Integrated BMC with IPMI
      No
    • Integrated systems available
      No
    • Intel AC'97 technology
      No
    • Intel Advanced Management Technology
      No
    • Intel Build Assurance Technology
      No
    • Intel Client Initiated Remote Access (CIRA) technology
      No
    • Intel Dual Display Capable Technology
      No
    • Intel Efficient Power Technology
      No
    • Intel Extreme Memory Profile (XMP)
      No
    • Intel Fast Memory Access
      No
    • Intel Flex Memory Access
      No
    • Intel I/O Acceleration Technology
      No
    • Intel Intelligent Power Node Manager
      No
    • Intel Quick Resume Technology
      No
    • Intel Quiet System Technology (QST)
      No
    • Intel Quiet Thermal Technology
      No
    • Intel Rapid Storage Technology
      No
    • Intel Rapid Storage Technology enterprise
      No
    • Intel Remote PC Assist Technology (RPAT)
      No
    • Intel Server Customization Technology
      No
    • Intel Server Management Software
      No
    • Intel Stable Image Platform Program (SIPP)
      No
    • Intel Trusted Execution Technology
      No
    • Intel VT-x with Extended Page Tables (EPT)
      No
    • Intel Virtualization Technology (VT-x)
      No
    • Intel Virtualization Technology for Directed I/O (VT-d)
      No
    • Intelligent Platform Management Interface (IPMI) support
      No
    • Intel® AES New Instructions (Intel® AES-NI)
      No
    • Intel® Active Management Technology (Intel® AMT)
      No
    • Intel® Anti-Theft Technology (Intel® AT)
      No
    • Intel® Clear Video HD Technology (Intel® CVT HD)
      No
    • Intel® High Definition Audio (Intel® HD Audio)
      No
    • Intel® InTru™ 3D Technology
      No
    • Intel® Insider™
      No
    • Intel® Matrix Storage Technology (Intel® MST)
      No
    • Intel® Optane™ DC Persistent Memory Supported
      No
    • Intel® Optane™ DC Persistent Memory technology
      No
    • Intel® Optane™ Memory Ready
      No
    • Intel® Platform Trust Technology (Intel® PTT)
      No
    • Intel® Quick Sync Video Technology
      No
    • Intel® Remote Wake Technology (Intel® RWT)
      No
    • Intel® Small Business Advantage (Intel® SBA)
      No
    • Intel® Smart Response Technology
      No
    • Trusted Platform Module (TPM)
      No

More Information

Specifications

  • Processor manufacturer
    AMD
  • Ethernet LAN
    No
  • ECC
    No
  • Audio output channels
    7.1
  • Processor socket
    Socket AM4
  • CPU fan connector
    No
  • ATX Power connector (24-pin)
    No
  • Chassis intrusion connector
    No
  • Number of chassis fan connectors
    6
  • Front panel audio connector
    No
  • Wi-Fi
    No
  • Non-ECC
    No
  • TPM connector
    No
  • Drivers included
    No
  • Memory channels
    Dual-channel
  • Motherboard chipset family
    AMD
  • Component for
    PC
  • Clear CMOS jumper
    No
  • Memory slots type
    DIMM
  • Supported storage drive types
    HDD & SSD
  • Supported storage drive interfaces
    SATA III
  • Audio chip
    Realtek ALC892
  • 12V power connector
    No
  • RGB LED pin header
    No
  • Maximum resolution
    4096 x 2160
  • Harmonized System (HS) code
    84733020
  • Compatible processor series
    AMD Ryzen 3 3rd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen
  • Cables included
    SATA
  • Parallel processing technology support
    2-Way CrossFireX
  • LAN controller
    Realtek 8111H
  • Supported memory clock speeds
    2133, 2400, 2800, 3000, 3200, 3466, 3600, 3733, 3866, 4133, 4400, 4800, 2933, 4000, 4266, 1866, 2667, 3066
  • Supported memory types
    DDR4-SDRAM
  • Ethernet interface type
    Gigabit Ethernet
  • Maximum graphics card memory
    16000
  • PS/2 ports quantity
    1
  • Maximum internal memory
    128
  • Maximum number of SMP processors
    1
  • USB 2.0 ports quantity
    4
  • Ethernet LAN (RJ-45) ports
    1
  • USB 2.0 connectors
    2
  • HDMI ports quantity
    1
  • DisplayPorts quantity
    1
  • Number of mounting holes
    9
  • USB 3.2 Gen 1 (3.1 Gen 1) connectors
    1
  • Number of SATA III connectors
    6
  • PCI Express x1 (Gen 3.x) slots
    2
  • PCI Express x16 (Gen 3.x) slots
    1
  • Number of memory slots
    4
  • Number of M.2 (M) slots
    2
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    2
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
    1
  • USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
    1
  • PCI Express x16 (Gen 4.x) slots
    1

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