
MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX
- Prices from £98.62 to £114.90 at 2 shops
- No. 47 of 646 in PC components
- Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update
- Supports DDR4 Memory, up to 4400(OC) MHz
- Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 Gen 2
- Premium Thermal Solution: Extended Heatsink Design with additional choke thermal pad and 7W/mK pad, and M.2 Shield Frozr are built for high performance system and non-stop works
- Powerful Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, Creator Genie, DDR4 Boost
Variant: B550-A PRO B550 AM4
-
B550-A PRO B550 AM4 £98.62 -
PRO B550M-P B550 AM4 £76.93 -
B550M PRO-VDH B550 AM4 micro £82.48 -
B550M PRO-VDH WIFI B550 AM4 micro £95.13 -
A520M-A PRO A520 AM4 micro £54.36 -
A520M PRO A520 AM4 micro £58.70 -
PRO B850-P WIFI B850 AM5 £125.81 -
PRO B650M-P B650 AM5 micro £1,279.99 -
PRO B850-S WIFI6E B850 AM5 £104.70 -
PRO B840M-B B840 AM5 micro £82.99 -
PRO B850-S EVO WIFI B850 AM5 £140.99 -
PRO B850M-P WIFI B850 AM5 micro £109.62
Up to £16.28 cheaper than the most expensive shop
We have only just started recording this price. After two weeks we will show here whether the current price is a good one.
2 offers compared
Sorted by total price including delivery-
£98.62Go to shop: PCHUB.UK -
Tesco Stores MSI B550-A PRO AMD B550 Chipset Socket AM4 SATA III M.2 HDMI, DP ATX Motherboard - 4719072733667£114.90Go to shop: Tesco Stores
Prices include VAT, last checked 9 October at 13:06. Prices may have changed since. Advertising: some shops pay Pricuro a commission when you buy through a link. Offers are ordered by total price only; used and refurbished offers come last.
Price history
- Now
- £98.62
- Lowest
- £98.45
- Average
- £98.55
- Highest
- £98.62
Product details
| Brand | MSI |
|---|---|
| Category | PC components |
| Barcode (EAN) | 4719072733667 |
| Manufacturer part number | B550APRO |
| Shops compared | 2 |
| Price range | £98.62 – £114.90 |
| On Pricuro since | 3 October 2026 |
Processor
4
| Processor manufacturer | AMD |
|---|---|
| Processor socket | Socket AM4 |
| Compatible processor series | AMD Ryzen 3000 Series |
| Maximum number of SMP processors | 1 |
Memory
7
| Supported memory types | DDR4-SDRAM |
|---|---|
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC & Non-ECC |
| Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4800 MHz |
| Maximum internal memory | 128 GB |
Storage controllers
3
| Supported storage drive types | HDD & SSD |
|---|---|
| Supported storage drive interfaces | SATA III |
| RAID levels | 0, 1, 10 |
Graphics
4
| Maximum graphics card memory | 16000 MB |
|---|---|
| Parallel processing technology support | 2-Way CrossFireX |
| On-board graphics card | No |
| Maximum resolution | 4096 x 2160 pixels |
Internal I/O
11
| 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 |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of chassis fan connectors | 6 |
| Chassis intrusion connector | Yes |
| TPM connector | Yes |
| 12V power connector | Yes |
| RGB LED pin header | Yes |
Rear panel I/O ports
8
| USB 2.0 ports quantity | 4 |
|---|---|
| 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 |
| Ethernet LAN (RJ-45) ports | 1 |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
Network
4
| Ethernet LAN | Yes |
|---|---|
| Ethernet interface type | Gigabit Ethernet |
| LAN controller | Realtek 8111H |
| Wi-Fi | No |
Features
8
| Motherboard chipset | AMD B550 |
|---|---|
| Audio chip | Realtek ALC892 |
| Audio output channels | 7.1 channels |
| Product colour | Black |
| Component for | PC |
| Motherboard form factor | ATX |
| Motherboard chipset family | AMD |
| Number of mounting holes | 9 |
Expansion slots
4
| PCI Express x1 (Gen 3.x) slots | 2 |
|---|---|
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
BIOS
1
| Clear CMOS jumper | Yes |
|---|
Logistics data
1
| Harmonized System (HS) code | 84733020 |
|---|
Weight & dimensions
3
| Width | 305 mm |
|---|---|
| Depth | 244 mm |
| Height | 65 mm |
Packaging content
2
| Cables included | SATA |
|---|---|
| Drivers included | Yes |
Other features
1
| Weight | 1 kg |
|---|
Manufacturer data: Open Icecat
Product description
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…
Read more
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
Frequently asked questions
Where is MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX cheapest?
Right now at PCHUB.UK for £98.62. We compare 2 offers.
How much does MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX cost?
Prices range from £98.62 to £114.90. Over the last 90 days it cost £98.55 on average.
Is now a good time to buy MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX?
Building the price history. We have only just started recording this price. After two weeks we will show here whether the current price is a good one.
Is MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX in stock?
Yes, 2 shops list it as in stock.
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