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MOTHERBOARD · VERIFIED EXACT MOTHERBOARD
MSI
PRO B860-P WIFI
The full-size B860 anchor. Its value is expansion and connectivity, not a promise of extra processor or gaming performance.
Reference: Verified exact modelMPN: PRO B860-P WIFISocket / chipset: LGA1851 · Intel B860Form factor: ATX · 243.84 × 304.8 mmMemory: 4 × DDR5 UDIMM · up to 256 GB · XMP 3.0 · CUDIMMPower design: 12+1+1+1 Duet Rail Power System
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VERIFIED MANUFACTURER MOTHERBOARD SHEET
Exact-model platform, expansion and limits
Confirmed facts
- MPN: PRO B860-P WIFI
- Socket / chipset: LGA1851 · Intel B860
- Form factor: ATX · 243.84 × 304.8 mm
- Memory: 4 × DDR5 UDIMM · up to 256 GB · XMP 3.0 · CUDIMM
- Power design: 12+1+1+1 Duet Rail Power System
- Expansion: PCIe 5.0 x16 main slot · PCIe 4.0 secondary expansion
- Storage: 3 × M.2 · Gen5 x4, Gen4 x4 and Gen4 x2 · 4 × SATA
- Networking: Realtek 5 GbE · Intel Wi-Fi 7 · Bluetooth 5.4
- Front connectivity: Rear Thunderbolt 4 40 Gbps USB-C · front USB-C 10 Gbps
- Audio: Realtek ALC897 · 7.1-channel
- Firmware: Clear CMOS
- CPU support: Intel Core Ultra Series 2 subject to the current support list and BIOS
Compatibility to confirm
LGA1851 only. Confirm the exact PRO B860-P WIFI model, the CPU-support list, BIOS version and lane-sharing notes before selecting drives and add-in cards.
An LGA1700 upgrade, a compact micro-ATX case or a simple one-GPU and one-SSD system that will not use the extra I/O.
Official manufacturer sources · checked August 19, 2026Official source 1 →Official source 2 →
Other useful details
The exact model, platform and retailer identity are tied to the same manufacturer record.
FAQ
Questions before buying this model
Who is the MSI PRO B860-P WIFI best for?
A Core Ultra Series 2 ATX build that will use three M.2 drives, Thunderbolt 4, 5 GbE or the extra physical expansion slots.
Who should compare another option?
An LGA1700 upgrade, a compact micro-ATX case or a simple one-GPU and one-SSD system that will not use the extra I/O.
What should you compare before choosing?
The full-size B860 anchor. Its value is expansion and connectivity, not a promise of extra processor or gaming performance.
What must be verified before buying?
LGA1851 only. Confirm the exact PRO B860-P WIFI model, the CPU-support list, BIOS version and lane-sharing notes before selecting drives and add-in cards.
A question about this product?
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Questions about the PRO B860-P WIFI
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