MSI B550M-A PRO motherboard AMD B550 Socket AM4 micro ATX
Product Technical Specification
Processor | |
Processor manufacturer | AMD |
Processor socket | Socket AM4 |
Compatible processor series | AMD Ryzen 3 3rd Gen,AMD Ryzen 5 3rd Gen,AMD Ryzen 7 3rd Gen,AMD Ryzen 9 3rd Gen |
Memory | |
Supported memory types | DDR4-SDRAM |
Number of memory slots | 2 |
Memory slots type | DIMM |
Memory channels | Dual-channel |
Non-ECC | Yes |
Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4600 |
Maximum internal memory | 64 |
Storage controllers | |
Supported storage drive types | HDD & SSD |
Supported storage drive interfaces | M.2,SATA III |
RAID levels | 0,1,10 |
Graphics | |
Parallel processing technology support | Not supported |
Internal I/O | |
USB 2.0 connectors | 2 |
USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
Number of SATA III connectors | 6 |
Front panel audio connector | Yes |
Front panel connector | Yes |
ATX Power connector (24-pin) | Yes |
Chassis intrusion connector | Yes |
Peripheral (Molex) power connectors (4-pin) | 1 |
TPM connector | Yes |
12V power connector | Yes |
Rear panel I/O ports | |
USB 2.0 ports quantity | 2 |
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
Ethernet LAN (RJ-45) ports | 1 |
HDMI ports quantity | 1 |
DVI-D ports quantity | 1 |
Network | |
Ethernet LAN | Yes |
Ethernet interface type | Gigabit Ethernet |
LAN controller | Realtek RTL8111H |
Wi-Fi | No |
Features | |
Motherboard chipset | AMD B550 |
Audio chip | Realtek ALC892 / Realtek ALC897 |
Audio output channels | 7.1 |
Component for | PC |
Motherboard form factor | Micro ATX |
Motherboard chipset family | AMD |
Number of mounting holes | 8 |
Expansion slots | |
PCI Express x1 (Gen 3.x) slots | 1 |
PCI Express x16 (Gen 4.x) slots | 1 |
Number of M.2 (M) slots | 1 |
BIOS | |
BIOS type | UEFI AMI |
Clear CMOS jumper | Yes |
Weight & dimensions | |
Width | 236 |
Depth | 200 |
Delivery Options
Economy Delivery (UK)
Fast & Tracked by Courier (UK)
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.
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.
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.
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.
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.
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.
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.
Make sure you enjoy the purest sound quality in both stereo and surround sound.
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.
True Color
Optimized monitor’s brightness and color 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 Monitor
Get immediate access to your critical hardware information in real-time.
OC Setting
Tune select motherboard settings in the OC Setting menu, where options to boost core performance and optimize system cooling are presented in an intuitive interface.
Total Fan Control
Assume complete control of your fans with Total Fan Control. Set up to four CPU temperature targets and the motherboard will adjust fan speeds automatically.
Speed Up
When enabled, it optimizes your devices for even better transfer speeds, saving a lot of time when transferring data.
Product Registration
Register your MSI product to enjoy a host of benefits!
Processor | |
Processor manufacturer | AMD |
Processor socket | Socket AM4 |
Compatible processor series | AMD Ryzen 3 3rd Gen,AMD Ryzen 5 3rd Gen,AMD Ryzen 7 3rd Gen,AMD Ryzen 9 3rd Gen |
Memory | |
Supported memory types | DDR4-SDRAM |
Number of memory slots | 2 |
Memory slots type | DIMM |
Memory channels | Dual-channel |
Non-ECC | Yes |
Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4600 |
Maximum internal memory | 64 |
Storage controllers | |
Supported storage drive types | HDD & SSD |
Supported storage drive interfaces | M.2,SATA III |
RAID levels | 0,1,10 |
Graphics | |
Parallel processing technology support | Not supported |
Internal I/O | |
USB 2.0 connectors | 2 |
USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
Number of SATA III connectors | 6 |
Front panel audio connector | Yes |
Front panel connector | Yes |
ATX Power connector (24-pin) | Yes |
Chassis intrusion connector | Yes |
Peripheral (Molex) power connectors (4-pin) | 1 |
TPM connector | Yes |
12V power connector | Yes |
Rear panel I/O ports | |
USB 2.0 ports quantity | 2 |
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
Ethernet LAN (RJ-45) ports | 1 |
HDMI ports quantity | 1 |
DVI-D ports quantity | 1 |
Network | |
Ethernet LAN | Yes |
Ethernet interface type | Gigabit Ethernet |
LAN controller | Realtek RTL8111H |
Wi-Fi | No |
Features | |
Motherboard chipset | AMD B550 |
Audio chip | Realtek ALC892 / Realtek ALC897 |
Audio output channels | 7.1 |
Component for | PC |
Motherboard form factor | Micro ATX |
Motherboard chipset family | AMD |
Number of mounting holes | 8 |
Expansion slots | |
PCI Express x1 (Gen 3.x) slots | 1 |
PCI Express x16 (Gen 4.x) slots | 1 |
Number of M.2 (M) slots | 1 |
BIOS | |
BIOS type | UEFI AMI |
Clear CMOS jumper | Yes |
Weight & dimensions | |
Width | 236 |
Depth | 200 |
Buykingston order despatch times:
We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.
These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).
We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.
Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.
Despatch times do not apply to UK public holidays.
Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.
Our warehouse reserves the right to upgrade the delivery method you select on your order.
Our available delivery options*
Contact us for a shipping quote.
*All delivery times are estimated unless stated.
Product Returns Note
Buykingston offers a very flexible and hassle free returns policy. If
for whatever reason you are not happy with the item purchased you can return
it to us within 12months for a refund (for unused and unopened
items) or within 30 days on opened and used items for a refund. This
applies to items purchased direct through Buykingston only.
Our 30 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items opened and used and that are returned in a resellable
condition.
Our 365 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items that remain sealed and unused.
Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;
- Headphones
- Earphones
- Custom made and designed products such as flash memory products with
custom logo’s on them. E,g USB flash drives and memory cards with your own
logo
Returns FAQs
What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on
non tracked items.
On unopened items 365 days.
How do i go about returning my order?
Please contact us via our contact page with
your order number where we will present you with an RMA number and returns
label.
Do i need to contact you before returning my order?
Yes, to obtain an RMA number.
Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365
day returns. Of course for faulty items we realise you may no longer have
the packaging.
Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer
direct for assistance.
Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.