MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)

MSI

Part #: B550-A PRO

Item Code: MBMSI00203

MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)

Name: MSI B550-A PRO AM4 B550 DDR4
Brand: MSI
SKU: MBMSI00203
Price: 145.99 CAD
Availability: InStock
Rating: 4 (2 reviews)

2 Reviews

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Overview Specifications Warranty & Returns Reviews

Overview

B550-A PRO

exclusive features

Flash BIOS Button
Simply use a USB key to flash any BIOS within seconds, without installing a CPU, memory or graphics card.

Core Boost Technology
Combining premium layout design, that is ready for unleashing the maximum performance.

2oz Thickened Copper PCB
An enhanced PCB design improves heat dissipation and performance reliability.

Digital PWM
Highest quality component digital power IC makes sure your system runs smoothly under the most extreme conditions.

PCIe Steel Armor
Protecting VGA cards against bending and EMI for better performance, stability and strength.

B550-A PRO

PREMIUM THERMAL SOLUTION

7W/mK Thermal Pad
Preminum 7W/mK thermal pad covered both MOSFET and chokes, provides better heat transfer to the heatsink.

Extended Heatsink
MSI extended PWM heatsink and enhanced circuit design ensures even high-end processors to run in full speed.

Pump Fan Support
Control watercooling pump speeds for best flow and noise control.

M.2 Shield Frozr
Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.

B550-A PRO

HIGH-SPEED TRANSMISSION

Turbo USB
Featuring the TURBO USB 3.2 GEN 2 10Gbps, with reversible Type-C connector.

DDR4 Boost
The Fully isolated DIMM slots to deliver pure data signals for the best gaming and overclocking performance.

Lightning Gen 4 Solution
The latest Gen 4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed.

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. Not only supporting multi-core CPU, but creating the perfect conditions for your CPU 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.

10 phases Digital Power with Doubler Design
2 phases SOC Power
1 phase APU Power
Digital PWM IC

EXTENDED HEATSINK

Metal extended heatsink enlarge the surface of heat dissipation, ensures even high-end processors to run in full speed.

PCB WITH 2OZ THICKENED COPPER

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

USB Type-C ready in both Front case panel & Rear IO

Get all the performance benefits from the USB Type-C connector. This reversible USB connector allows for effortless connecting of USB devices.

LIGHTNING GEN4 M.2 WITH M.2 SHIELD FROZR

Cooling your NVMe SSD delays throttling which results in higher overall performance. Part of the motherboards heatsink design which helps avoid SSD throttling by offering the best thermal protection.

LIGHTNING GEN 4 SOLUTION

The latest Gen4 PCI-E and M.2 solution with up to 64GB/s bandwidth for maximum transfer speed. PCIe 4.0 maintains both backward and forward compatibility with older and newer specifications.

UNMATCHED MEMORY PERFORMANCE

MSI motherboards are crammed with features to fuel your system’s memory with more speed, higher overclockability and increased stability. Optimized traces and a fully isolated memory circuitry ensures perfect stability and performance, so you never have to worry about your system crashing.

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.

MULTIPLE GPU SUPPORTS AND STEEL ARMOR

B550-A PRO supports multiple GPU solution. Optimal PCI-Express slot placement allows for better fitting and airflow. That way, you can enjoy the best graphics at the highest framerate jumping from your screen when running an AMD^® CrossFire^™ setup

Steel Armor has more solder points on the PCB for more strength and protects the PCI-Express signals against electromagnetic interference for a stutter-free user experience.

Main Features

Compatible Ryzen 3 processor lets you perform all your computational tasks at a swift pace
DDR4 SDRAM compatible slot - Install memory that synchronizes electrical and clock signals for an efficient data throughput
RAID supported levels provide data reliability and fault tolerance
HDMI interface enables the user to experience a fantastic sound/video quality at the expense of a single cable
DisplayPort transmits both audio and video signals through a common channel to deliver versatile performance
Retrieve a significant number of PCI slots, expansion slots, and peripheral ports that have an enhanced heat dissipation capability with the ATX desktop motherboard
With 4 USB 2.0 ports, transfer several documents without error

Marketing Information

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.

Specifications

Brand	MSI
Model	B550-A PRO
Manufacturer Part #	B550-A PRO
Chipset	B550
Memory Slots	4
Motherboard Form Factor	ATX
Socket	AM4
Platform	AMD
HDMI	1
Display Port	1
Onboard LAN	1x Realtek® RTL8111H Gigabit LAN
Memory Speed	1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400 + Mhz by JEDEC and A-XMP OC MODE
Maximum Memory Supported	128GB
Onboard Audio	6 HD audio connectors
PCI Express 3.0 x16	2
SATA 3Gb/s	6
SATA RAID	0/1/10
USB 2.0	FRONT: 4, REAR: 4
M.2	2
USB 3.2	FRONT: 1(Gen 1, Type C), 2(Gen 1, Type A), USB 3.2 PORTS (REAR): 1(Gen 2, Type C), 1(Gen 2, Type A), 2(Gen 1, Type A) \|
Operating System	Support for Windows® 10 64-bit
SLI / CrossFire Supported	Yes
PCI-E X16	2
PCI-E GEN	Gen4 / Gen3
PCI-E X1	2

Warranty & Returns

Reviews

2023-11-26

Reviewed by: Customer

Great motherboard with lots of I/O. The LTT motherboard tier list places this at A-tier and has sufficient VRM and power delivery to support my 5800X3D without holding it back.

MSI B550-A Pro has 10x 46A 4C029N/4C024N discrete MOSFETs for VCore and 4x for SoC, in doubled/teamed configuration for 5+2-phase VRM, fully heatsinked.

It has an internal USB 3.2 Gen 1 USB-C front panel header in case your case comes with a front panel USB-C port. It also includes a rear USB-C 3.2 Gen 2 port.

2023-11-24

Reviewed by: James

Its a good board but the picture says its 2.5gb lan - its only gigabit.

See all customer reviews

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Return Period	15 Days
Defective Exchange Period	30 Days
Manufacturer Warranty	3 Years

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MSI B550-A PRO AMD B550 Socket AM4 (Supports 3rd Gen AMD Ryzen™ Processors) ATX 4 DIMM DDR4, PCIE 4.0, GBLAN, Mystic Light JRAINBOW (ARGB)