Asus PRIME B840M-A WIFI-CSM AMD AM5 Micro-ATX Motherboard with Wi-Fi 6E, PCIe 4.0, DDR5, USB Type-C, and ASUS CSM Program - 90MB1J20-MVAAYC
The PRIME B840M-A WIFI-CSM is a Micro-ATX motherboard engineered for AMD Ryzen 9000, 8000, and 7000 Series desktop processors. Built on the AMD AM5 socket, it features an 8+2+1 phase digital power design, a six-layer PCB, and durable components for stable power delivery and reliable performance. Designed for AI PC readiness, it integrates advanced connectivity, efficient cooling, and enterprise-grade stability through the Corporate Stable Model (CSM) program. With Wi-Fi 6E, Realtek 2.5 Gb Ethernet, and multiple PCIe 4.0 slots, it delivers speed and flexibility for professional systems, productivity, and performance-oriented builds.
Features
• AMD AM5 socket supporting Ryzen 9000, 8000, and 7000 Series desktop processors
• 8+2+1 phase digital power design with alloy chokes, capacitors, and six-layer PCB for efficient power delivery
• DDR5 memory support with ASUS Enhanced Memory Profile (AEMP) and AMD EXPO for performance tuning
• Triple M.2 slots: two PCIe 4.0 x4 and one PCIe 3.0 x4 for high-speed storage
• PCIe 4.0 x16 SafeSlot Core+ for secure graphics card installation
• Wi-Fi 6E and Realtek 2.5 Gb Ethernet for high-speed, low-latency networking
• Multiple USB options including rear USB 10 Gbps Type-A, USB 5 Gbps Type-C, and internal expansion headers
• Comprehensive cooling with VRM heatsinks, chipset heatsink, M.2 heatsinks, hybrid fan headers, and Fan Xpert 2+
• ASUS CSM program with up to 36-month lifecycle support, end-of-life notifications, and Control Center Express IT management software
• DIY-friendly features including pre-mounted I/O shield, BIOS FlashBack, Q-LED Core, Q-Dashboard, and Q-Antenna
• Aura Sync RGB lighting with three addressable Gen 2 headers for customizable system aesthetics
• Integrated software support with Armoury Crate, DriverHub, GlideX, MyHotkey, and ASUS AI Advisor
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be ship to international destinations.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
