MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX
MSI B550-A PRO AMD Ryzen B550 ATX DDR4 Motherboard - Socket AM4
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 20 Oct 2026)
Based on a total of 15,637 customer reviews from independent review platforms.
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MSI B550-A PRO AM4 Motherboard, Black
Overall Rating: 4.5 / 5 (average from multiple review sources, as of 19 Oct 2026)
Based on a total of 4,602,226 customer reviews from independent review platforms.
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MSI B550-A PRO ATX Motherboard for AMD AM4 CPUs
Overall Rating: 4.3 / 5 (average from multiple review sources, as of 20 Oct 2026)
Based on a total of 32,643 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 32,643 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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1-3 working days
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MSI AMD B550 B550-A PRO PCIe 4 DDR4 ATX Motherboard
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 19 Oct 2026)
Based on a total of 50,068 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 50,068 customer reviews from independent review platforms.
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£109.99
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MSI AMD B550-A PRO DDR4 ATX Socket AM4 Motherboard
Overall Rating: 4.3 / 5 (average from multiple review sources, as of 20 Oct 2026)
Based on a total of 15,929 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 15,929 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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MSI B550-A PRO Motherboard ATX - Supports AMD Ryzen 3Rd Gen Processors, AM4, DDR
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 24,155 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Will usually delivered within 3 - 5 working days of receiving cleared payment.
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£117.13
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MSI B550-A PRO AMD B550 Socket AM4 ATX
Overall Rating: 4.6 / 5 (average from multiple review sources, as of 6 Oct 2026)
Based on a total of 610 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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3-5 working days
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£117.99
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MSI B550-A PRO Motherboard AMD B550 Socket AM4 ATX
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 5 - 11 working days of receiving cleared payment.
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£119.65
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MSI B550-A PRO motherboard AMD B550 Socket AM4 ATX
Overall Rating: 4.6 / 5 (average from multiple review sources, as of 6 Oct 2026)
Based on a total of 610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 610 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
3-5 working days
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£119.99
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Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only less troubleshooting but also optimized professional workflows and longevity.
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Product Information
Weight & dimensions
| Width | 305 mm |
| Height | 65 mm |
| Depth | 244 mm |
Other features
| Weight | 1 kg |
Packaging content
| Drivers included | Yes |
| Cables included | SATA |
Logistics data
| Harmonized System (HS) code | 84733020 |
Expansion slots
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x1 (Gen 3.x) slots | 2 |
Features
| Number of mounting holes | 9 |
| Motherboard chipset family | AMD |
| Product colour | Black |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | ATX |
| Audio output channels | 7.1 channels |
| Audio chip | Realtek ALC892 |
| Component for | PC |
Network
| Ethernet interface type | Gigabit Ethernet |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| LAN controller | Realtek 8111H |
Rear panel I/O ports
| DisplayPorts quantity | 1 |
| HDMI ports quantity | 1 |
| PS/2 ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 2.0 ports quantity | 4 |
Internal I/O
| RGB LED pin header | Yes |
| TPM connector | Yes |
| 12V power connector | Yes |
| Number of SATA III connectors | 6 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| USB 2.0 connectors | 2 |
| Chassis intrusion connector | Yes |
| Number of chassis fan connectors | 6 |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| Front panel audio connector | Yes |
Graphics
| Maximum resolution | 4096 x 2160 pixels |
| On-board graphics card | No |
| Parallel processing technology support | 2-Way CrossFireX |
| Maximum graphics card memory | 16000 MB |
Storage controllers
| RAID levels | 0, 1, 10 |
| Supported storage drive interfaces | SATA III |
| Supported storage drive types | HDD & SSD |
Memory
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory types | DDR4-SDRAM |
| Maximum internal memory | 128 GB |
| Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400,4800 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Memory channels | Dual-channel |
Processor
| Maximum number of SMP processors | 1 |
| Compatible processor series | AMD Ryzen 3000 Series |
| Processor socket | Socket AM4 |
| Processor manufacturer | AMD |
BIOS
| Clear CMOS jumper | Yes |
Product information
At a glance
- Supports latest AMD Ryzen processors
- Fast data transfer with PCIe 4.0
- Stylish design with customizable RGB lighting
Note: This text was created with the help of AI.
Upgrade Your Gaming Experience with the MSI B550-A Pro
The Motherboards are the backbone of any gaming rig, and the MSI B550-A Pro is designed to cater to gamers, content creators, and PC builders who demand reliability and performance. Whether you're diving into the latest AAA titles, streaming your gameplay, or working on graphic-intensive projects, this motherboard provides a robust platform that can handle it all. Its versatility makes it an ideal choice for both novice builders and seasoned professionals looking to enhance their workstation.
Power-Packed Features and Performance
The MSI B550-A Pro is packed with features that promote high performance and stability. Supporting the latest AMD Ryzen processors, this motherboard boasts a high-quality VRM design that ensures efficient power delivery and thermal management. You'll experience faster load times and seamless multitasking thanks to support for PCIe 4.0, allowing for faster graphics cards and SSDs. Additional features like USB 3.2 Gen 2 ports and an M.2 slot with M-key support ensure you'll enjoy lightning-fast data transfer speeds.
Sleek Design Meets Enhanced Functionality
Not only does the MSI B550-A Pro deliver on performance, but it also looks great in any build. Its sleek black and silver design is both modern and elegant, making it a perfect fit for any gaming setup. With a robust heat sink design and steel-reinforced PCIe slots, this motherboard not only looks good but is built to last. The inclusion of customizable RGB lighting adds a personal touch, allowing you to match your build's aesthetic while enhancing your overall gaming environment.
Connectivity and Expansion Options
When it comes to connectivity, the MSI B550-A Pro does not disappoint. Featuring multiple fan headers and a variety of connectivity options, including HDMI and DisplayPort outputs, it ensures that you can connect all your peripherals with ease. With support for up to 128GB of DDR4 RAM and multiple storage options, including SATA and M.2 slots, this motherboard provides you with the flexibility to expand your system as needed. Say goodbye to limitations and hello to a world of possibilities!
Note: This text was created with the help of AI.
Pros and cons
Pros
- Supports AMD Ryzen processors
- High-quality VRM for stability
- PCIe 4.0 for faster speeds
- Customizable RGB lighting
- Multiple storage options available
Cons
- Best for mid to high-end builds
- May require manual RGB setup
Note: This text was created with the help of AI.
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