Experience balanced performance and reliability with the ASUS PRIME B850M-A-CSM. This AMD AM5 socket motherboard supports Ryzen Zen4 processors and DDR5 memory, delivering crisp responsiveness for everyday computing, content creation, and gaming. Its micro-ATX form factor provides flexible compatibility with a wide range of cases, including Micro/Mini/Flex-ATX builds, while keeping your rig compact and efficient.

Designed for dependable operation, the PRIME series emphasizes stability, easy BIOS updates, and thoughtful design that keeps cables tidy and airflow steady.

• AM5 Socket for Ryzen Zen4 processors provide modern CPU support with optimized power delivery.
• DDR5 Memory Support for higher bandwidth and efficiency, enabling faster system responsiveness and better multitasking.
• Micro-ATX Form Factor designed for flexible builds in a wide range of cases (Micro/Mini/Flex-ATX).
• Reliable Power Delivery and Cooling to maintain stability under load and prolong component life.
• Expansive Storage and I/O options with multiple PCIe slots and M.2/SATA support for fast storage and versatile expansion.
• User-Friendly BIOS and ASUS Reliability with long-term BIOS support, ensuring smoother optimization and updates.

Whether you're building a compact gaming rig, a home workstation, or a versatile daily driver, the ASUS PRIME B850M-A-CSM pairs essential features with dependable ASUS engineering to help you get more from your Ryzen platform.