ASUS PRIME B550M-A/CSM Micro-ATX Motherboard AMD AM4 Socket

£143.99

Out of stock

Free shipping on orders over £150

  • Check Mark Buy Now - Pay Later available
  • Check Mark Price match UK stockists
  • Check Mark Secure Payments
  • Check Mark 100% UK Stock
The lowest price ( 22 March 2026 ): £143.99 SKU: 90MB14I0-M0EAYC Category: Tags: , , , , Brand:

Description

The ASUS PRIME B550M-A/CSM is a dependable micro-ATX motherboard designed for AMD Ryzen processors, delivering exceptional performance for both business workstations and gaming systems. Built on the AMD B550 chipset, this motherboard supports PCIe 4.0 for lightning-fast storage and graphics performance, whilst maintaining excellent value and reliability. With its comprehensive feature set and ASUS’s renowned build quality, the PRIME B550M-A/CSM is the perfect foundation for your next AMD-based system. The CSM (Corporate Stable Model) designation ensures long-term availability and consistent specifications for business deployments.

AMD B550 Chipset with PCIe 4.0 Support

Experience next-generation performance with PCIe 4.0 support for the latest graphics cards and NVMe SSDs. The B550 chipset delivers double the bandwidth of PCIe 3.0, ensuring your system is ready for demanding applications and future upgrades.

Comprehensive Connectivity Options

Equipped with dual M.2 slots for high-speed storage, USB 3.2 Gen 2 ports, and Gigabit Ethernet, this motherboard provides all the connectivity you need. Multiple USB ports and legacy support ensure compatibility with a wide range of peripherals and devices.

Enhanced Power Solution

ASUS’s robust power delivery design ensures stable performance even under heavy workloads. The motherboard features high-quality components and comprehensive cooling to support overclocking and sustained operation, making it ideal for both productivity and gaming.

ASUS Corporate Stable Model (CSM)

The CSM designation guarantees long-term product availability and consistent specifications, perfect for business environments requiring standardised hardware. Benefit from extended lifecycle support and reliable performance for corporate deployments and system integrators.

Micro-ATX Form Factor Versatility

The compact micro-ATX design offers excellent flexibility for smaller builds without sacrificing features. Build a powerful yet space-efficient system that fits in compact cases whilst maintaining full compatibility with AMD Ryzen 5000, 4000, and 3000 series processors.

10%

off, especially for you 🎁

Sign up to receive your exclusive discount, and keep up to date on our latest products & offers!

We don’t spam! Read our privacy policy for more info.

Additional information

Color

Black

Connectivity

USB 3.2 Gen 2, Gigabit Ethernet

Form Factor

Micro-ATX

Interface

PCIe 4.0

Socket

AMD AM4

Compatibility

AMD Ryzen 5000/4000/3000 Series

Lighting

No

Material

PCB

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Join Waitlist We will inform you when the product arrives in stock. Please leave your valid email address below.