Perfect
Fully matches my request and expectations. Easy to install and fit inside the computer
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MSI B550-A PRO
ATX Socket AM4 AMD B550 motherboard - 4x DDR4 - SATA 6Gb/s M.2 - USB 3.1 - PCI-Express 4.0 16x
119€95
Recycling charge of 0€13
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119€95
In stock within 7 days (19 Aug 2026)
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Overview
MSI B550-A PRO : PCI-Express 4.0 Gaming Motherboard
The MSI B550-A PRO motherboard with AMD B550 chipset and AM4 socket is designed to accommodate 3rd generation AMD Ryzen processors. It will allow you to compose a configuration Gaming It will allow you to build a configuration with the latest technological advances: PCI-Express 4.0 for graphics cards and M.2 SSDs, management of 128 GB of DDR4 RAM. It's all there for an exhilarating gaming experience, it's up to you!
The advantages of the MSI B550-a PRO :
MSI PRO series motherboards with a B550 chipset are designed to fit into any PC. They are also designed to offer reliable performance and smart business solutions that will make your job easier. In short, MSI PRO motherboards are synonymous with stability, efficiency and longevity.
- AMD AM4 socket for AMD Ryzen 3rd generationprocessor
- 4 x DDR4 4400+ MHz (OC) Dual-Channel memory slots
- 1 x M.2 PCIe 4.0 x4 / SATA 6 Gbit/s + 1 x M.2 PCIe 3.0 x4 with Frozr heatsink
- 1 x PCI-Express 4.0 16x + 1 x PCIe 3.0 16x (4x) with AMD CrossFireX Multi-GPU support
- USB 3.1 ports including C-type
- Mystic Light
Add colour to your machine
Connect RGB LED ribbons to your PC and synchronise colours and effects with compatible devices using a single application: Mystic Light Sync. This application allows you to instantly customise the look of your PC by choosing from a wide range of colours and lighting effects. You'll be able to change the colours via the Mystic Light app installed on a smartphone or the Gaming App installed on the PC.
Information provided by our tech department
Motherboards based on AMD B550 chipsets are only compatible with AMD Ryzen 3000 series processors (except Ryzen 3 3200G and Ryzen 5 3400G) and later generations. In case of doubt, please refer to the chipset compatibility statements in the datasheets of the processors sold on the site.
Specifications
Select your criteria
General information |
Product name |
MSI B550-A PRO |
Brand |
MSI | |
Model |
B550-A PRO | |
Processor |
Processor support |
AMD AM4 |
Number of CPUs supported |
1 | |
Chipset |
Chipset |
AMD B550 |
Memory |
Memory format |
4 X DIMM 288-pin (DDR4) |
Memory Frequency(ies) |
DDR4 4400 MHz | |
| DDR4 4266 MHz | ||
| DDR4 4133 MHz | ||
| DDR4 4000 MHz | ||
| DDR4 1866 MHz | ||
| DDR4 2133 MHz | ||
| DDR4 2400 MHz | ||
| DDR4 2666 MHz | ||
| DDR4 2800 MHz | ||
| DDR4 2933 MHz | ||
| DDR4 3000 MHz | ||
| DDR4 3066 MHz | ||
| DDR4 3866 MHz | ||
| DDR4 3733 MHz | ||
| DDR4 3600 MHz | ||
| DDR4 3466 MHz | ||
| DDR4 3200 MHz | ||
Memory type |
DDR4 | |
Memory technology |
Dual Channel | |
Maximum RAM capacity per slot |
32 GB | |
Maximum RAM capacity |
128 GB | |
Graphic |
Integrated graphics controller |
No |
Compatible graphics core integrated in the CPU |
Yes | |
Expansion slots |
Graphic connector(s) |
1 X PCI Express 3.0 16x (x4) |
| 1 X PCI Express 4.0 x16 | ||
Number and Type of slots |
2 X PCI Express 3.0 x1 | |
Multi-GPU type |
CrossFireX | |
Audio |
Audio Chipset |
Realtek ALC892 |
Number of audio channels |
8 | |
Network |
Number of ports/Ethernet controler |
1 X Realtek RTL8111H |
Network standard(s) |
10/100/1000 Mbps | |
Storage |
RAID supported |
Yes |
Hard drives connectors |
1 X M.2 - PCI-E 3.0 x4 | |
| 1 X M.2 - PCI-E 4.0 x4 + SATA 6 Gb/s | ||
| 6 X Serial ATA 6Gb/s (SATA Revision 3) | ||
Number of M.2 slot(s) |
2 | |
Supported RAID Modes |
10 | |
| 1 | ||
| 0 | ||
Connectivity |
Motherboard connector location |
Standard connectors (on the motherboard) |
Rear panel connectors |
2 X USB 3.0 | |
| 1 X USB 3.1 | ||
| 1 X USB 3.1 Type C | ||
| 1 X DisplayPort Female | ||
| HDMI Female | ||
| 4 X USB 2.0 | ||
| 1 X RJ45 Female | ||
| 1 X MiniDin 6 Female (PS/2) | ||
| BIOS Flash Update | ||
| 6 X 3.5mm Jack Female Stereo | ||
Additional connectors |
1 X LED RGB connector(s) | |
| 2 X Addressable LED RGB connector(s) | ||
| TPM | ||
| Front panel audio | ||
| Chassis intrusion | ||
| 1 X +12V (Power supply P8) | ||
| 1 X ATX 24 Pin | ||
| 4 X Internal USB 2.0 | ||
| 2 X Internal USB 3.0 | ||
| 1 X Internal USB 3.0 Type C | ||
Physical characteristics |
Motherboard format |
ATX |
Length |
305 mm | |
Width |
244 mm | |
Equipment |
Advanced overclocking features |
Yes |
Use |
Gaming | |
| Multimedia | ||
LED |
Yes | |
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
|
|
Safety Information |
Responsible person |
MSI Computer Europe B.V |
Postal address |
Science Park Eindhoven 5706 5692 ER Son, the Netherlands | |
Electronic Address |
gpsr@msi.com |
See all MSI products
Product referenced on 25 Jun 2020
Customer reviews
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86%19 reviews
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9%2 reviews
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0%
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5%1 review
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Number of reviews: 2 Average rating: 10
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Number of reviews: 5 Average rating: 10
Really satisfied
A perfect motherboard to start a new config. Everything is there in terms of connectivity and capacity, for a controlled and attractive price. Plus MSI quality and reliability.
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Number of reviews: 5 Average rating: 10
W11-compatible motherboard
Motherboard at an attractive price. Compatible with W11 and DDR4 as part of an upgrade to an older PC. Option to add a Wi-Fi card.
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Number of reviews: 2 Average rating: 6
Faulty motherboard
The computer's peripherals (graphics card, RAM) constantly disconnect, rendering them unusable.
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Number of reviews: 9 Average rating: 10
Very good value for money
Very good value for money
Nothing to complain about, it's perfect.
Price, speed of delivery, assembly. Professional work.Review automatically translated
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