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The MSI MAG B850M MORTAR WIFI Motherboard (911-7E61-003) is a feature-rich Micro-ATX board built on the AMD B850 chipset, designed for high-performance AMD Ryzen desktops. With support for the latest AM5 processors, next-generation PCIe 5.0, blazing-fast DDR5 memory, and the latest Wi-Fi 7 connectivity, it delivers a robust foundation for gaming, content creation, and AI-powered PC builds.
The MAG B850M MORTAR WIFI is built around the AMD B850 chipset and the AM5 socket, supporting a wide range of the latest AMD processors. It is compatible with AMD Ryzen 7000, 8000, and 9000 Series desktop processors . With an optimized PCB design utilizing 8 layers of 2oz thickened copper, this board is engineered to deliver high bandwidth, faster transfer speeds, and reliable circuit transmission to get the most out of your high-end CPU .
To handle the demands of powerful processors, the motherboard features a robust 12+2+1 Duet Rail power system. This design integrates 60A Smart Power Stages with dual power connectors, ensuring clean, stable, and sustained power delivery to your CPU for maximum performance under heavy workloads . This makes it a reliable choice for enthusiasts who want to push their systems to the limit.
The motherboard includes 4 DDR5 DIMM slots, supporting a massive capacity of up to 256GB of memory . It supports overclocked speeds of 8200+ MT/s, and with support for both AMD EXPO and Intel A-XMP technologies, users can easily enable memory overclocking profiles for a significant boost in performance .
Storage and expansion options are a strong point of this motherboard. For graphics and other high-bandwidth cards, it features a PCIe 5.0 x16 slot. For storage, it provides two PCIe 5.0 M.2 slots, one PCIe 4.0 M.2 slot, and four SATA ports . The M.2 slots are equipped with MSI's EZ M.2 Shield Frozr II, a quick-release heatsink that prevents thermal throttling and protects your NVMe drives .
The motherboard comes equipped with premium connectivity features. This includes 5 Gigabit LAN for blistering wired network speeds and Wi-Fi 7 for the latest in wireless connectivity, ensuring lag-free online gaming and fast downloads. It also features Bluetooth 5.4 for connecting your wireless peripherals . The onboard Realtek ALC4080 codec provides high-fidelity 7.1-channel HD audio, immersing you in rich, detailed sound .
Cooling and thermal design are critical for performance. The MAG B850M MORTAR WIFI is designed with extended VRM heatsinks and an enlarged chipset heatsink to ensure your components stay cool under load. It also includes multiple PWM fan and pump headers, giving you total control over your system's cooling . User-friendly features like the EZ PCIe release mechanism and pre-installed I/O shield make building your PC a faster and more enjoyable experience .
Consequently, the powerful 12+2+1 Duet Rail power system with 60A SPS delivers stable and robust power to support high-performance AMD Ryzen processors .
In addition, the support for DDR5 memory with overclocking speeds up to 8200+ MT/s and capacities up to 256GB ensures exceptional multitasking and system responsiveness .
Furthermore, the dual PCIe 5.0 M.2 slots and PCIe 5.0 x16 slot provide next-generation storage and graphics bandwidth .
Specifically, the onboard Wi-Fi 7 and 5G LAN offer cutting-edge network connectivity for online gaming and data-intensive workflows .
Ultimately, the extended VRM heatsinks and comprehensive DIY-friendly features ensure optimal thermal performance and a smooth building experience .
Model / Part Number: MSI MAG B850M MORTAR WIFI (911-7E61-003)
Chipset: AMD B850
Form Factor: Micro-ATX (244mm x 244mm)
CPU Support: AMD Ryzen 7000, 8000, and 9000 Series (Socket AM5)
Memory: 4x DDR5 DIMM Slots, up to 256GB, 8200+ MT/s (OC)
Expansion Slots: 1x PCIe 5.0 x16, 1x PCIe 4.0 x4
Storage: 2x PCIe 5.0 M.2, 1x PCIe 4.0 M.2, 4x SATA ports
Networking: 5 Gigabit LAN, Wi-Fi 7, Bluetooth 5.4
Audio: Realtek ALC4080 7.1 HD Audio
Rear I/O Highlights: USB 20Gbps Type-C, USB 10Gbps Type-C, HDMI 2.1
Cooling Features: Extended VRM heatsinks, EZ M.2 Shield Frozr II, multiple PWM fan/pump headers
