Motherboard MSI PRO B860-P — Intel B860, LGA 1851, ATX, DDR5, 4 DIMM, 3×M.2, 5Gb LAN, HDMI 2.1

The MSI PRO B860-P is an ATX motherboard designed for Intel® Core™ Ultra processors with the LGA 1851 (Socket V1). It comes in a neutral silver finish that fits both white and black PC builds. The board supports DDR5 memory up to 256 GB across four DIMM slots and offers multiple storage interfaces including PCIe 5.0 M.2 and Micro SATA III, plus RAID support (0, 1, 5, 10) for flexible storage configurations.

Advantages

The motherboard integrates MSI-exclusive features and modern connectivity such as 5 Gigabit LAN, Thunderbolt 4 support, PCIe 5.0 M.2 compatibility and Supplemental PCIe Power, enabling robust performance and expandability for workstations and high-performance desktops. Its ATX form factor provides room for multiple expansion cards while maintaining compatibility with standard PC cases.

Suitable for

• High-performance desktop builds
• Content creation and workstation applications
• Gaming systems requiring modern I/O and fast storage
• Systems needing multiple drives with RAID configurations

Key specifications

• Form factor: ATX
• Chipset: Intel B860
• Processor socket: LGA 1851 (Socket V1) — supports Intel® Core™ Ultra
• Memory: 4 x DIMM, DDR5 up to 256 GB
• Storage interfaces: PCIe 5.0 M.2, Micro SATA III
• Networking: 5 Gigabit Ethernet
• RAID: 0, 1, 5, 10

How to use

Install the MSI PRO B860-P into a compatible ATX case and mount an Intel® Core™ Ultra CPU into the LGA 1851 socket following the CPU cooler manufacturer’s instructions. Populate DDR5 modules into the DIMM slots according to the motherboard’s recommended slot configuration. Connect storage devices to the available M.2 and SATA ports, and configure RAID arrays through the BIOS or RAID utility if required. Attach power connectors including the supplemental PCIe power if your configuration requires additional GPU or PCIe power delivery.

Recommendations

For stable operation, use BIOS updates provided by MSI to ensure full compatibility with the latest Intel® Core™ Ultra processors and DDR5 memory kits. Match memory modules in pairs for optimal dual-channel performance and ensure adequate cooling for high-load systems.