




MSI PRO B860M-P WIFI6E LGA 1851 Motherboard
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Elevate your PC build with the MSI PRO B860M-P WIFI6E LGA 1851 Motherboard, engineered to support Intel Core Ultra Processors (Series 2) on the LGA 1851 socket. This motherboard combines essential features and robust design for a stable and efficient computing foundation, ensuring compatibility with next-generation components.
Key Features at a Glance
- Supports Intel Core Ultra Processors (Series 2) for LGA 1851 socket.
- Compatible with DDR5 Memory, supporting Dual Channel DDR5 up to 8800+ MT/s (OC).
- Features Ultra Performance design with Direct 6 phases, Core Boost, and a 6-layer PCB.
- Includes Frozr Guard with Extended Heatsink, MOSFET thermal pads, and M.2 Shield Frozr for thermal management.
- Equipped with PCIe 5.0 slot and Lightning Gen 5 x4 M.2 for fast data transfer.
- Integrates 2.5G LAN with Wi-Fi 6E for a secure and stable network connection.
Powerful Processor and Memory Support
Designed for the latest generation, this motherboard supports Intel Core Ultra Processors (Series 2) for LGA 1851 sockets. Enhance your system's responsiveness with DDR5 Memory, compatible with Dual Channel DDR5 at speeds up to 8800+ MT/s (OC).
Robust Thermal and Power Design
Benefit from an Ultra Performance design featuring Direct 6 power phases, an 8-pin CPU power connector, Core Boost, and a 6-layer PCB for stable power delivery. The Frozr Guard system, with its Extended Heatsink, 7W/mK MOSFET thermal pads, and M.2 Shield Frozr, provides efficient cooling for sustained high performance.
Next-Generation Connectivity and Audio
Achieve a Lightning Fast experience with a PCIe 5.0 slot and Lightning Gen 5 x4 M.2, enabling rapid data transfer and storage. Stay connected with a 2.5G LAN and Wi-Fi 6E solution, providing an upgraded, secure, and stable network. Immerse yourself in superior sound quality with Audio Boost.
Technical Specifications
| Chipset | INTEL B860 |
|---|---|
| CPU | Supports Intel® Core™ Ultra Processors (Series 2) LGA 1851 |
| Memory | 4x DDR5 UDIMM, Maximum Memory Capacity 256GB Memory Support DDR5 8800 - 6400 (OC) MT/s / 6400 - 4800 (JEDEC) MT/s Max. overclocking frequency: • 1DPC 1R Max speed up to 8800+ MT/s • 1DPC 2R Max speed up to 7200+ MT/s • 2DPC 1R Max speed up to 6400+ MT/s • 2DPC 2R Max speed up to 5600+ MT/s Supports Intel® POR Speed and JEDEC Speed Supports Memory Overclocking and Intel® XMP 3.0 Supports Dual-Controller Dual-Channel mode Supports Non-ECC, Un-buffered memory Supports CUDIMM • The DIMM slots on this motherboard only have single-sided latches. • Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/. |
| Onboard Graphics | 1x HDMI™ Support HDMI™ 2.1 port with TMDS, maximum resolution of 4K 60Hz* 2x DisplayPort Support DisplayPort 1.4 port with HBR2, maximum resolution of 4K 60Hz* 1x D-Sub Support VGA, maximum resolution of 2048x1536 50Hz, 2048x1280 60Hz, 1920x1200 60Hz *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed. |
| Slot | 2x PCI-E x16 slot (Qty) PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 4.0 supports up to x4 (From Chipset) |
| Audio | Realtek® ALC897 Codec 7.1-Channel High Definition Audio |
| Storage | 2x M.2 (Qty) M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices M.2_2 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices 4x SATA 6G (Qty) *Please refer to the manual for M.2 SSD heatsink restrictions. |
| RAID | Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices |
| USB | 2x USB 2.0 (Rear) 4x USB 2.0 (Front) 3x USB 5Gbps Type A (Rear) 2x USB 5Gbps Type A (Front) 1x USB 5Gbps Type C (Front) |
| LAN | Realtek® 8125 2.5Gbps LAN |
| Internal IO | 1x Power Connector(ATX_PWR) 1x Power Connector(CPU_PWR) 1x CPU Fan 1x PUMP_SYS Fan 2x System Fan 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Printer Port (JLPT) 1x Com Port (JCOM) 3x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) 4x USB 2.0 ports 2x USB 5Gbps Type A ports 1x USB 5Gbps Type C ports |
| WIRELESS LAN & BLUETOOTH | Wi-Fi 6E The Wireless module is pre-installed in the M.2 (Key-E) slot Supports MU-MIMO TX/RX, 2.4GHz / 5GHz / 6GHz* (160MHz) up to 2.4Gbps Supports 802.11 a/ b/ g/ n/ ac/ ax Supports Bluetooth® 5.3**, FIPS, FISMA * The usage of Wi-Fi 6GHz band relies on Windows 11 support and depends on every country’s regulations. ** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. |
| LED FEATURE | 4x EZ Debug LED 1x EZ Memory Detection LED |
| OPERATING SYSTEM | Support for Windows 11 64-bit |
| PCB Info | mATX 243.84mmx243.84mm |
Frequently Asked Questions
Q: What processors does this motherboard support?
A: The MSI PRO B860M-P WIFI6E LGA 1851 Motherboard supports Intel Core Ultra Processors (Series 2) for the LGA 1851 socket.
Q: What type of memory is compatible with this motherboard?
A: This motherboard supports DDR5 Memory, including Dual Channel DDR5 with speeds up to 8800+ MT/s (OC).
Q: What networking solutions are integrated into the motherboard?
A: It features a 2.5G LAN and a Wi-Fi 6E solution, providing an upgraded, secure, stable, and fast network connection.

