Description
Reliable Performance for Professionals and Creators
The MSI PRO B850M-A WIFI motherboard is designed to deliver dependable performance for both business and creative professionals. Built for AMD Ryzen™ 7000 Series processors on the AM5 socket, it combines powerful computing capability with outstanding stability. Featuring the advanced AMD B850 chipset, this Micro-ATX motherboard offers full support for DDR5 memory, providing faster data processing, improved multitasking, and greater efficiency for demanding workloads and productivity applications.
Modern Connectivity and Expansion
Durable Design and Efficient Cooling
Equipped with the latest PCIe 5.0 interface, the PRO B850M-A WIFI ensures ultra-fast data transfer for next-generation GPUs and NVMe storage devices. It includes multiple M.2 slots and SATA ports, offering flexible storage options for both high-speed SSDs and traditional drives. With WiFi 6E and 2.5G LAN, you get high-speed, reliable network connectivity for smooth online communication, remote work, and streaming. The addition of USB 3.2 Gen 2×2 Type-C ports ensures maximum compatibility and rapid data transfer with modern devices.
Engineered for longevity and stability, the MSI PRO B850M-A WIFI features a robust 12+2+1 power phase design with Core Boost technology for precise and consistent power delivery. Its extended heatsink and M.2 Shield Frozr provide efficient thermal management, maintaining performance under heavy workloads. Designed with professionals in mind, this motherboard offers a clean layout, reliable components, and MSI’s user-friendly BIOS interface, making it the ideal choice for stable, long-term productivity and system builds.
Short Specifications
Model: MSI PRO B850M-A WIFI (911-7E66-002)
Form Factor: Micro-ATX
CPU Support: AMD Ryzen™ 7000 Series Processors (AM5 Socket)
Chipset: AMD B850
Memory Support: 4 × DDR5 DIMM slots, up to 192GB, Dual Channel
Expansion Slots: 1 × PCIe 5.0 x16, 1 × PCIe 4.0 x1
Storage: 2 × M.2 (PCIe 4.0 x4), 4 × SATA 6Gb/s
Networking: 2.5G LAN + WiFi 6E + Bluetooth 5.3
Audio: Realtek ALC897 / Audio Boost
USB Ports: USB 3.2 Gen 2×2 Type-C, USB 3.2 Gen 2 Type-A, USB 3.2 Gen 1, USB 2.0
Display Outputs: HDMI 2.1, DisplayPort 1.4
Power Design: 12+2+1 Duet Rail Power System
Cooling: Extended Heatsink Design, M.2 Shield Frozr
RGB Support: MSI Mystic Light (Header)
Operating System Support: Windows 11, Windows 10 64-bit






