Introducing the MSI MAG B860M Mortar WIFI LGA1851 DDR5 Motherboard MATX — a compact, battle-ready foundation for gamers, content creators, and PC enthusiasts who demand performance, reliability, and modern connectivity in a Micro ATX package. Built by MSI’s respected MAG series, this board brings next-generation platform support, advanced power delivery, and a suite of features designed to extract maximum performance from Intel Core Ultra processors and high-speed DDR5 memory, all while keeping your build tidy and upgrade-ready.
Benefits
- Built for performance and stability: An aggressive VRM design and MSI’s Core Boost technology deliver clean, reliable power to your CPU, enabling sustained high-performance gaming sessions and demanding productivity workloads with minimal throttling.
- Future-ready platform: LGA 1851 socket and Intel® B860 chipset support the latest Intel processors and cutting-edge standards such as PCIe 5.0 and Thunderbolt 4, giving you headroom for next-gen graphics, storage, and I/O.
- Blistering memory and multitasking capability: Four DDR5 memory slots support up to 256 GB and speeds from 4800 MT/s up to extreme overclocked profiles (6400–9200 MT/s OC), accelerating game load times, creative workflows, and multi-application use.
- Exceptional connectivity: Killer™ E5000 5Gbps LAN plus Wi‑Fi 7 support keep you competitive online with low latency and ultra-fast wireless performance; plentiful USB 3.2 Gen 2 Type-C and Type-A ports ensure modern peripherals and high-speed devices can be connected without compromise.
- Compact, versatile design: Micro ATX form factor (243.84mm x 243.84mm) lets you build powerful systems in smaller chassis while still offering multiple PCIe slots, triple M.2 storage, and four SATA 6Gb/s ports for expansive storage configurations and RAID support.
- Intel® B860 Chipset & LGA 1851 Socket
- Advanced Memory Support & Capacity
- High-Speed Networking & Wireless
- Robust Storage & Expansion Options
- Modern I/O, Audio & DIY-Friendly Design
Key features
Harness the latest Intel platform technologies with native support for Intel® Core™ Ultra processors. The B860 chipset provides a balanced blend of performance and platform features, letting builders deploy cutting-edge CPUs with robust I/O and chipset-level optimizations.
Four DDR5 DIMM slots support up to 256 GB of system memory. Engineered for both stability and extreme overclocking, the board supports JEDEC-standard speeds from 4800 to 6400 MT/s and overclocked profiles up to 9200 MT/s, enabling faster frame rates, quicker content rendering, and smoother multitasking.
Stay connected with Intel® Killer™ E5000 5Gbps LAN for ultra-low latency wired gaming and high-throughput transfers. Integrated Wi‑Fi 7 offers the next wave of wireless performance and reduced congestion, ideal for competitive gaming, streaming, and large file transfers without relying solely on wired connections.
Expand storage with three M.2 slots for NVMe SSDs plus four SATA 6Gb/s ports, and configure RAID 0, 1, 5, or 10 for performance, redundancy, or a balance of both. Expansion is flexible with one PCIe x16 slot and one PCIe x4 slot — ready for high-performance GPUs, add-in cards, and PCIe 5.0-capable devices.
Thoughtful connectivity includes USB 3.2 Gen 2 Type-C and Type-A ports for fast external storage and peripherals, Thunderbolt 4 support for versatile high-speed docks and displays, and supplemental PCIe power for stable add-in card operation. Onboard Realtek® ALC897 audio delivers clear, immersive sound for gaming and multimedia. MSI’s EZ DIY features simplify building and upgrades, making the platform approachable for first-time builders and seasoned DIYers alike.
Summary
The MSI MAG B860M Mortar WIFI LGA1851 DDR5 Motherboard MATX blends compact design with uncompromising performance and forward-looking connectivity. Whether you’re assembling a high-performance gaming rig, a content creation workstation, or a flexible all-purpose machine, this motherboard delivers a reliable foundation: powerful CPU support, massive DDR5 memory capacity and speeds, triple M.2 slots with RAID options, advanced wired and wireless networking, and extensive modern I/O. Engineered by MSI’s MAG lineup for durability and accessibility, the B860M Mortar WIFI gives you the features, expandability, and stability to build a system that’s ready for today’s challenges—and tomorrow’s innovations.
| Manufacturer | MSI |
|---|---|
| Manufacturer Part | B860MMORTARWIFI |
| UPC | 824142393895 |
| MB Chipset | Intel® B860 |
| MB Socket | LGA 1851 socket |
| Memory Slot | 4 x DDR5 |
| Memory Support | 9200 - 6400 (OC) MT/s / 6400 - 4800 (JEDEC) MT/s |
| Maximum memory | 256GB |
| Integrated Graphic | Yes |
| Expansion Slot | 1x PCI-E x16 slot, 1x PCI-E x4 slot |
| Storage interface | 3x M.2, 4x SATA 6G |
| Raid Support | RAID 0, RAID 1, RAID 5 and RAID 10 for SATA |
| Lan | Intel® Killer™ E5000 5Gbps LAN |
| WiFi | Yes |
| Onboard Audio | Realtek® ALC897 Codec |
| USB Type | 3.2 Gen 2 Type-c, 3.2 Gen 2 Type-A |
| Form factor | Micro ATX |
| Form size | 243.84mmx243.84mm |
| Manufacturer Warranty | Limited 3 Years |







