ASUS PRIME B650M-A II CSM Motherboard – AMD B650, DDR5, PCIe 4.0, Micro-AT

The ASUS PRIME B650M-A II CSM is a reliable and efficient micro-ATX motherboard designed for professionals, creators, and PC enthusiasts who value stability and next-generation performance. Built on the AMD B650 chipset, it supports the latest AMD Ryzen 7000 & 9000 Series processors with the AM5 socket, making it a versatile choice for both productivity and gaming systems.

This motherboard supports DDR5 memory with high overclocking potential, delivering improved speed and responsiveness for multitasking, content creation, and gaming. The PCIe 4.0 x16 slot ensures compatibility with current-generation graphics cards, while dual M.2 PCIe Gen4 slots allow ultra-fast NVMe SSD storage for seamless workflows.

ASUS has equipped the PRIME B650M-A II CSM with a robust 12+1 DrMOS power stage VRM design, enlarged VRM heatsinks, and comprehensive cooling solutions to maintain stability under heavy workloads. The CSM (Corporate Stable Model) program also guarantees long-term availability and enterprise-level reliability, making it suitable for business environments.

Connectivity includes USB 3.2 Gen2 Type-C, HDMI, DisplayPort, and multiple USB ports for modern devices. Networking is solid with Realtek 2.5Gb Ethernet, ensuring fast and stable connections. With ASUS Aura Sync, users can customize RGB lighting to personalize their builds.

The ASUS PRIME B650M-A II CSM is engineered to provide a perfect balance of affordability, reliability, and modern features, making it a great option for professionals and gamers alike.

⭐ Key Features

• Supports AMD Ryzen 7000 & 9000 CPUs (AM5 socket)

• AMD B650 chipset (micro-ATX design)

• DDR5 memory support up to high frequencies

• PCIe 4.0 x16 slot for current-gen GPUs

• Dual NVMe M.2 Gen4 slots with heatsinks

• 12+1 DrMOS power stage VRM design for stability

• Realtek 2.5Gb Ethernet networking

• USB 3.2 Gen2 Type-C, HDMI, DisplayPort

• ASUS Aura Sync RGB lighting support

• CSM program with long-term stability & enterprise support

⚙️ Specifications

• Chipset: AMD B650

• Socket: AM5 (AMD Ryzen 7000 / 9000 Series CPUs)

• Form Factor: Micro-ATX

• Memory: 4 × DDR5 DIMM slots, up to 192GB, 6400+ MHz (OC)

• Expansion: 1 × PCIe 4.0 x16, 1 × PCIe 3.0 x16 (x4), 1 × PCIe 3.0 x1

• Storage: 2 × M.2 (PCIe Gen4 x4), 4 × SATA 6Gb/s

• Networking: Realtek 2.5Gb LAN

• USB Ports: USB 3.2 Gen2 Type-C, USB 3.2 Gen2, USB 3.2 Gen1, USB 2.0

• Audio: Realtek 7.1 Channel HD Audio

• Power Design: 12+1 DrMOS VRM with enlarged heatsinks

• Warranty: 3 Years Limited