The compact and powerful MSI PRO B860M-A WIFI motherboard for the LGA 1851 socket offers support for Intel Core Ultra processors, fast DDR5 memory, PCIe 5.0 and M.2 connectivity, premium Frozr Guard cooling, and modern networking technologies including Wi‑Fi 7, 5G LAN, and Thunderbolt 4. Thanks to the thoughtful EZ DIY design and features like Core Boost, Memory Boost, and Audio Boost, you get stable performance, easy assembly, and clean audio for work and play.
MSI PRO B860M-A WIFI is a versatile mATX board designed for reliability, efficiency, and longevity. A 12+1+1+1 phase power design with 8+4‑pin CPU power, a 6‑layer PCB made of server‑grade materials, and Core Boost and Memory Boost technologies ensure stable operation of the latest Intel Core Ultra processors and high DDR5 frequencies. The enlarged heatsink with Frozr Guard, 7 W/mK thermal pads, and the EZ M.2 Shield Frozr II cover keep temperatures under control even during sustained loads.
For maximum throughput, the board offers PCIe 5.0 and Lightning Gen 5 x4 M.2 slots. Professional connectivity includes Thunderbolt 4, wired 5G LAN, and wireless Intel Wi‑Fi 7 (802.11be) with EZ Antenna for stable, fast, and secure connections. AI LAN Manager intelligently prioritizes network traffic to reduce latency in games and demanding applications. The isolated analog audio layout and Audio Boost deliver clean, detailed sound.
Main advantages:
- Support for LGA 1851 / Intel Core Ultra (2nd generation) – ready for modern performance and AI workloads.
- DDR5 8800+ MT/s (OC) – dual‑channel memory with high frequencies and stability.
- Robust 12+1+1+1 power – Duet Rail Power System, P‑PAK, and 8+4‑pin for maximum reliability.
- Efficient Frozr Guard cooling – enlarged heatsinks, 7 W/mK thermal pads, EZ M.2 Shield Frozr II.
- PCIe 5.0 and Lightning Gen 5 M.2 – extreme speeds for GPU and NVMe storage.
- Thunderbolt 4, 5G LAN, Intel Wi‑Fi 7 – professional connectivity with low latency.
- EZ DIY elements – EZ PCIe Clip II, EZ M.2 Clip II, EZ Antenna for easy installation.
- AI tools – AI LAN Manager, optimizations in MSI Center and BIOS.
Specifications
- Form factor
- mATX
- CPU socket
- LGA 1851
- Supported processors
- Intel Core Ultra (2nd generation) and compatible for LGA 1851
- Power stage
- 12+1+1+1 phases, Duet Rail Power System, P-PAK
- CPU power
- 8+4‑pin
- Chipset
- Intel B860
- Memory
- DDR5, dual‑channel, up to 8800+ MT/s (OC)
- PCIe slots
- PCIe 5.0 (primary slot)
- M.2
- Lightning Gen 5 x4 M.2, EZ M.2 Shield Frozr II, EZ M.2 Clip II
- Network (LAN)
- 5G LAN
- Wireless connectivity
- Intel Wi‑Fi 7 (802.11be), EZ Antenna
- Thunderbolt
- Thunderbolt 4 port
- Audio
- Audio Boost, isolated analog connector layout
- VRM cooling
- Enlarged heatsink, 7 W/mK thermal pads (MOSFET), pads on chokes
- PCB
- 6‑layer, server‑grade materials
- Special features
- Core Boost, Memory Boost, AI LAN Manager, EZ PCIe Clip II
