MSI PRO B860M-A WIFI

  • Support Intel® Core™ Ultra Processors (Series 2) for LGA 1851 socket
  • Supports DDR5 Memory, Dual Channel DDR5 8800+ MT/s (OC)
  • Ultra Performance: 12+1+1+1 Duet Rail Power System with P-PAK, 8+4-pin CPU power connectors, Core Boost, Memory Boost, 6-layer server-grade PCB
  • Frozr Guard: MOSFET thermal pads rated for 7W/mK and additional choke thermal pads are built for high performance system and non-stop experience
  • EZ DIY: EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Clip II and EZ Antenna
  • Lightning Fast Game experience: PCIe 5.0 slot and Lightning Gen 5 x4 M.2
  • Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
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Specification Details
Chipset Intel B860
CPU Supports Intel Core Ultra Processors (Series 2)
Socket LGA 1851
Memory
Configuration 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: Up to 8800+ MT/s
1DPC 2R: Up to 7200+ MT/s
2DPC 1R: Up to 6400+ MT/s
2DPC 2R: Up to 5600+ MT/s
Features 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
Notes The DIMM slots feature single-sided latches.
Memory compatibility and performance may vary depending on CPU and memory configuration.
For detailed compatibility, visit MSI Support.
Onboard Graphics
Ports 1x HDMI
Supports HDMI 2.1, maximum resolution 4K 60Hz*
1x DisplayPort
Supports DisplayPort 1.4, maximum resolution 4K 60Hz*
1x Type-C DisplayPort (Thunderbolt 4)
Supports DisplayPort 2.1 with UHBR20 over USB Type-C, maximum 4K@120Hz / 8K@60Hz*
*Available only on processors with integrated graphics.
Expansion Slots
Slots 4x PCI-E x16 Slots
PCI_E1 Gen PCIe 5.0 supports x16 (From CPU)
PCI_E2 Gen PCIe 4.0 supports x1 (From Chipset)
PCI_E3 Gen PCIe 4.0 supports x1 (From Chipset)
PCI_E4 Gen PCIe 4.0 supports x4 (From Chipset)
Audio
Codec Realtek ALC897 Codec
Channels 7.1-Channel High Definition Audio
Storage
Configuration 3x M.2
M.2_1 (From CPU): PCIe 5.0 x4, supports 2280/2260/2242 devices
M.2_2 (From Chipset): PCIe 4.0 x4, supports 2280/2260/2242 devices
M.2_3 (From Chipset): PCIe 4.0 x2, supports 2280/2260 devices
4x SATA 6G
Notes * Refer to manual for M.2 SSD heatsink instructions.
RAID
Support Supports RAID 0, RAID 1, RAID 5, and RAID 10 for SATA storage devices
Onboard Thunderbolt
Port 1x Thunderbolt 4 Port (Rear)
Performance Up to 40Gbps transfer rate with Thunderbolt devices
Up to 20Gbps with USB4
Up to 10Gbps with USB 3.2
Supports 5V/3A (15W) charging
Daisy-chains up to 3 Thunderbolt 4 or 5 Thunderbolt 3 devices
Supports up to 8K display output
USB
Configuration 2x USB 2.0 (Rear)
4x USB 2.0 (Front)
2x USB 5Gbps Type-A (Rear)
1x USB 5Gbps Type-C (Rear)
4x USB 5Gbps Type-A (Front)
1x USB 10Gbps Type-A (Rear)
1x USB 10Gbps Type-C (Front)
LAN
Port Realtek 8126 5Gbps LAN
Internal I/O
Connectors 1x Thunderbolt 5 Card Connector (JTBT5, supports RTD3)
1x ATX Power (ATX_PWR)
2x CPU Power (CPU_PWR)
1x PCIe Power (8-pin)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
3x System Fans
2x Front Panels (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x COM Port (JCOM)
1x Tuning Controller Connector (JDASH)
2x Addressable V2 RGB (JARGB_V2)
1x RGB LED (JRGB)
1x TPM Header (Supports TPM 2.0)
4x USB 2.0 Ports
4x USB 5Gbps Type-A Ports
1x USB 10Gbps Type-C Port
Wireless LAN & Bluetooth
Type Intel Wi-Fi 7
Module Pre-installed in the M.2 (Key-E) Slot
Performance Supports MU-MIMO TX/RX, 2.4GHz / 5GHz / 6GHz* (320MHz) up to 5.8Gbps
Supports 802.11 a / b / g / n / ac / ax / be
Supports Bluetooth 5.4**, MLO, 4KQAM
Notes * 6GHz band support depends on country regulations; Wi-Fi 7 enabled in Windows 11 version 24H2.
** Bluetooth 5.4 availability based on chipset vendor and Windows 11 updates.
LED Features
Indicators 4x EZ Debug LED
1x EZ Memory Detection LED
Back Panel Ports
Configuration

  1. DisplayPort
  2. Keyboard / Mouse
  3. USB 5Gbps Type-A
  4. 5G LAN
  5. Wi-Fi / Bluetooth
  6. Audio Connectors
  7. HDMI
  8. Thunderbolt 4 40Gbps (Type-C)
  9. USB 2.0
  10. Clear CMOS Button
  11. USB 10Gbps Type-A
  12. USB 5Gbps Type-C
Operating System
Support Windows 11 64-bit
Box Content
INCLUDES
PCB INFO
mATX
243.84mmx243.84mm

Overview

MSI PRO B860M-A WIFI Motherboard

The MSI PRO B860M-A WIFI is a compact yet powerful motherboard built for professionals, creators, and performance-driven users who want exceptional stability, speed, and efficient multitasking. Designed to support the latest Intel® Core™ Ultra (Series 2) processors on the LGA 1851 socket, it ensures seamless responsiveness across productivity workloads, editing tasks, and high-performance operations.

Supporting Dual-Channel DDR5 memory up to 8800+ MT/s (OC), the motherboard delivers breakthrough memory bandwidth and higher efficiency. MSI’s Memory Boost architecture enhances signal integrity and stability, making it ideal for users who demand reliable performance for content creation, rendering, and multitasking-intensive environments.

With its 12+1+1+1 Duet Rail Power System, high-quality P-PAK components, and 8+4-pin CPU power connectors, the PRO B860M-A WIFI offers consistent and robust power delivery even during heavy CPU usage. The 6-layer server-grade PCB improves durability, heat resistance, and long-term stability—ensuring smooth performance under sustained workloads.

Thermals are handled by MSI’s Frozr Guard design, featuring an extended heatsink, 7W/mK MOSFET thermal pads, additional choke pads, and the premium EZ M.2 Shield Frozr II. Together, they help maintain optimal temperatures for nonstop operation, especially during high-speed transfers and demanding applications.

The board also includes several EZ DIY features—such as EZ M.2 Clip II, EZ PCIe Clip II, and EZ Antenna—making installation, upgrades, and maintenance significantly easier, even for beginners. Storage and graphics performance are enhanced by the PCIe 5.0 slot and Lightning Gen 5 x4 M.2, enabling faster data access, lower latency, and superior next-gen compatibility.

For connectivity, the PRO B860M-A WIFI offers Thunderbolt™ 4, 5G LAN, and the latest Intel Wi-Fi 7 solution, giving users secure, high-speed networking and flexible data transfer options suited for professional workloads, large file transfers, and high-bandwidth applications. Meanwhile, MSI’s Audio Boost delivers clean, studio-grade sound, providing a richer and more immersive listening experience for both work and entertainment.

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