MSI PRO B860M-B mATX - Supports Intel Core Ultra Processors (Series 2), LGA 1851 - Direct 6 Phases, DDR5 Memory Boost (9066+ MT/s OC), PCIe 5.0 x16, M.2 Gen5, 5G LAN

Business Elegance

The PRO B860M-A WIFI is a creation-oriented mATX motherboard with a 12 Duet Rail Power System, constructed around the latest Intel B860 chipset which supports Intel Core Ultra Processors (Series 2), featuring PCIe 5.0, 5G LAN, Wi-Fi 7, DDR5 and Frozr design that delivers the capacity to support a broad spectrum of both cutting-edge and innovative hardware.

Supports Intel Core Ultra Processors (Series 2)

The PRO B860M-A WIFI motherboard supports Intel Core Ultra Processors (Series 2).

• Form Factor: mATX
• Socket Type: LGA 1851
• Chipset: Intel B860

Ultra Power - 12 Duet Rail Power System with P-PAK

With exclusive Core Boost technology and EZ OC Tuning functions, the PRO B860M-A WIFI is able to sustain heavy CPU power loads to support system-demanding settings:

• Digital PWM IC
• 12 Duet Rail Power System (P-PAK)
• 1-Phase SA Power
• 1-Phase GT Power
• 1-Phase VNNAON Power

Frozr Design

• Frozr Guard: Extended Heatsink design, 7W/mK MOSFET thermal pads, extra choke thermal pads and EZ M.2 Shield Frozr II for improved thermal dissipation.
• Frozr Sync: Connect and synchronize cooling with strategically placed pin-headers - including CPU fan header (2A), Combo fan (3A, supports both pump fan and system fan) and system fans.
• Frozr Control: Manage speeds and temperature for all fans of your system in MSI Center with Cooling Wizard and Frozr AI Cooling.

4 x DDR5 Dual Channel (8600+ MT/s OC)*

• Memory Boost: A fully-isolated DDR circuit delivers pure data signals for optimal overclocking performance.
• XMP Profiles in the MSI BIOS are MSI OC LAB optimized and can be easily enabled with auto power settings for optimized memory speed and stability.

* 1DPC 1R Max. overclocking frequency 8600+ MT/s, supports Intel XMP.

Fortified PCIe 5.0 x16 Slot

MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points to support the weight of heavy graphics cards. When every advantage counts, Steel Armor also shields the point of contact from electromagnetic interference.

• 1 x PCIe 5.0/4.0/3.0 x16 slot* (with Steel Armor** and EZ PCIe Clip II)
• 1 x PCIe 4.0/3.0 x16 slot*
• 2 x PCIe 4.0/3.0 x1 slots

* Support x16/x4

** MSI Surface Mount Technology (SMT) solder welding improves signal clarity.

Gen5 M.2 Connector

The PRO B860M-A WIFI motherboard features MSI's M.2 slots:

• 1 x Gen5 x4 128Gbps slot (with EZ M.2 Shield Frozr II)
• 1 x Gen4 x4 64Gbps slot
• 1 x Gen4 x2 32Gbps slot

EZ DIY

The DIY Friendly designs optimize the assemble process and experience.

EZ PCIe Clip II: Allows for easy removal of the graphics card by pressing the tail-like lock with one finger, even in the cramped case spaces.

EZ M.2 Shield Frozr II: MSI patented Shield Frozr cover features a tool-free design so users don't have to worry about lost screws or overtightening.

EZ M.2 Clip II: Install or remove the SSD with a simple push of the latch, without using any screws.