
Asus ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX
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£117.94
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Asus propose ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX chez 1 revendeurs. Utilisez notre comparateur pour le meilleur prix. Des 124,99 €.
Listed since 10 April 2026
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£112.99
17 April 2026
Description
ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
ASUS Corporate Stable Model
ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express - server-grade IT management software.
* Lifecycle support for consumer chipsets (eg. Q370, H370, B360,H270,B250) is set at 15 months. Program offerings may vary by region. Please consult your local sales representative for more information.
ASUS Control Center Express
ASUS Control Center Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.
Optimize IT endpoint management
Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely
Automate IT maintenance
Allows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility
Securely manage all of endpoints
Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices
Tune It Your Way
Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productiv
Cool to the Core
Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.
VRM Heatsink and Thermal Pads
A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.
Build on a Solid Foundation
Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible transfer options.
PCIe 4.0 M.2
(up to 64 Gbps)
Achieve speed with onboard M.2
PCIe 4.0 M.2 Slot supports up to 22110 and provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.
Little Things Make a Big Difference
Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.
Outstanding Audio
Combined onboard features deliver elevated audio
Intelligent design and premium hardware create audio quality unlike anything you've ever experienced.
Audio Shielding
Separates analog/digital signal domains, significantly reducing multi-lateral interference.
Separate Layer for Left and Right Tracks
Ensures minimal crosstalk between audio paths.
Premium Japanese Capacitors
Premium parts provide an immersive sound signature, with exceptional fidelity.
Specifications
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |
| Compatible processor series | AMD Ryzen 3000 Series |
| Supported memory types | DDR4-SDRAM |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| Supported storage drive interfaces | M.2, SATA III |
| On-board graphics card | No |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Number of SATA III connectors | 4 |
| Front panel audio connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of chassis fan connectors | 2 |
| EPS power connector (8-pin) | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| PS/2 ports quantity | 1 |
| VGA (D-Sub) ports quantity | 1 |
| HDMI ports quantity | 1 |
| DVI-D ports quantity | 1 |
| Headphone outputs | 1 |
| Microphone in | Yes |
| Ethernet LAN | Yes |
| Ethernet interface type | Gigabit Ethernet |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | No |
| Motherboard chipset | AMD B550 |
| Audio chip | Realtek ALC887 |
| Audio output channels | 7.1 channels |
| Product colour | Black, Silver |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Windows operating systems supported | Windows 10 x64 |
| PCI Express x1 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Clear CMOS jumper | Yes |
| Harmonized System (HS) code | 84733020 |
| Width | 244 mm |
| Depth | 244 mm |
| Height | 51 mm |
| Weight | 845 g |
Full specifications
| Marque | Asus |
| Référence fabricant | 90mb14i0m0eayc |
| EAN | 4718017755535 |
Overview of the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX
In the Computers & Hardware category, the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX by Asus stands out for its positioning in 2026. Compiral lists all available offers to help you buy at the best price. Our comparison tool takes delivery costs into account to calculate the true total price of each offer. Filter by stock availability, free delivery, or sort by ascending price to find the best deal right now.
What makes the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX stand out in 2026
This product stands out for the build quality that is characteristic of the Asus brand. Users particularly appreciate its reliability in daily use and how easy it is to get started right from the first use. The design, intended for regular use, ensures satisfying durability, and the balance between the features offered and the asking price is well received by buyers. Asus has a strong reputation in the Computers & Hardware category, which makes it easy to access after-sales service and the manufacturer warranty when needed. You can also compare with the ASUS ROG Falcata keyboard Gaming USB + RF Wireless + Bluetooth QWERTY Black to refine your choice.
Performance and key features
In the Computers & Hardware category, buyers pay close attention to declared performance and build quality. The ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX meets these expectations with technical specifications that reflect Asus's positioning on this segment. The key features, available in the spec sheet on this page, allow you to verify this product matches your needs before finalising your purchase. Also compare with the ASUS ROG Falcata keyboard Gaming USB + RF Wireless + Bluetooth QWERTY Black from the same brand to refine your decision.
Design and ease of use
The ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX is generally described as intuitive by users in the Computers & Hardware category. Asus designed this product to be accessible from the first use, whether you are a beginner or an experienced user in this range.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 403200 £ |
| Mid-range | 403200 £ to 940800 £ |
| High-end | Over 940800 £ |
To find the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX at the best price today, compare all available offers on Compiral. Our comparison tool updates prices several times a day to ensure you get the lowest rate from our partner retailers. Remember to activate the free delivery filter to reduce the total cost of your purchase. Also check the estimated delivery time at each retailer, which can vary considerably from one shop to another.
Frequently asked questions about ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX
Is the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX worth its price in 2026?
In 2026, the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX is listed from £117.94 at our partner retailers. This price is consistent with the positioning of Asus in the Computers & Hardware category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
What warranty does the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX come with?
The ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from Asus, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.
Is the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX in stock?
Stock availability for the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Computers & Hardware category.
Where can I buy the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX at the best price?
To buy the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX at the best price, compare all available offers in our table at the top of this page. The 3 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.
How does the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX compare to competitors in the Computers & Hardware category?
In the Computers & Hardware category, the ASUS Prime B550M-A/CSM AMD B550 Socket AM4 micro ATX occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.
Highlights
Highlights
- AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2
- PCIe 4.0
- 1 Gb Ethernet
- HDMI/D-Sub/DVI
- SATA 6 Gbps




