MSI PRO B860M-B WIFI
MSI PRO B860M-B WIFI - Image 2
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MSI PRO B860M-B WIFI

  • Support Intel® Core™ Ultra Processors (Series 2) for LGA 1851 socket
  • Supports DDR5 Memory, Dual Channel DDR5 9066+ MT/s (OC)
  • Ultra Performance: Direct 6 phases with P-PAK, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB
  • Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and M.2 Shield Frozr are built for high performance system and non-stop experience
  • EZ DIY: 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 2x DDR5 UDIMM, Maximum Memory Capacity 128GB
Memory Support DDR5 9066 – 6400 (OC) MT/s / 6400 – 4800 (JEDEC) MT/s
Max Overclocking Frequency 1DPC 1R: Up to 9066+ MT/s
1DPC 2R: Up to 7200+ 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 have double-sided latches.
Memory compatibility and supported speeds can vary depending on the CPU and memory configuration.
Visit MSI Support for the Memory Compatibility List.
Onboard Graphics
Ports 1x HDMI
Supports HDMI 2.1, maximum resolution 4K 60Hz*
1x DisplayPort
Supports DisplayPort 1.4, maximum resolution 4K 60Hz*
*Available only on processors with integrated graphics. Graphics specifications may vary by CPU.
Expansion Slots
Slots 1x PCI-E x16 Slot
1x PCI-E x1 Slot
PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 4.0 supports up to x1 (From Chipset)
Audio
Codec Realtek ALC897 Codec
Channels 7.1-Channel High Definition Audio
Storage
Configuration 2x 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 devices
4x SATA 6G
Notes * Refer to the manual for M.2 SSD heatsink restrictions.
USB
Configuration 4x USB 2.0 (Rear)
4x USB 2.0 (Front)
2x USB 5Gbps Type-A (Rear)
2x USB 5Gbps Type-A (Front)
1x USB 10Gbps Type-C (Front)
1x USB 20Gbps Type-C (Rear)
LAN
Port Realtek 8126 5Gbps LAN
Internal I/O
Connectors 1x Power Connector(ATX_PWR)
1x Power Connector(CPU_PWR)
1x CPU Fan
2x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Com Port (JCOM)
1x Tuning Controller connector(JDASH)
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 10Gbps Type C ports
Wireless LAN & Bluetooth
Type Wi-Fi 7
Module Pre-installed in the M.2 (Key-E) Slot
Performance Supports MU-MIMO TX/RX, 2.4GHz / 5GHz / 6GHz* (160MHz) up to 2.9Gbps
Supports 802.11 a / b / g / n / ac / ax / be
Supports Bluetooth 5.4**, MLO, 4KQAM
Notes * 6GHz band support depends on regional regulations; Wi-Fi 7 ready on Windows 11 version 24H2.
** Bluetooth 5.4 support will be available via Windows 11 version 24H2.
LED Features
Indicators 4x EZ Debug LED
1x EZ Memory Detection LED
Back Panel Ports
Configuration

  1. DisplayPort
  2. Clear CMOS Button
  3. USB 20Gbps Type-C
  4. USB 2.0
  5. 5G LAN
  6. Wi-Fi / Bluetooth
  7. Audio Connectors
  8. HDMI
  9. USB 5Gbps Type-A
Operating System
Support Windows 11 64-bit
Box Content
INCLUDES
PCB INFO
mATX
220mmx243.84mm

Overview

MSI PRO B860M-B WIFI

The MSI PRO B860M-B WIFI is a compact yet powerful micro-ATX motherboard built for users who want dependable performance, fast connectivity, and modern features without compromising efficiency. Designed for the latest Intel® Core™ Ultra Series 2 processors on the LGA 1851 socket, it delivers smooth computing power suitable for productivity, content creation, and everyday professional tasks. With support for dual-channel DDR5 memory up to 9066+ MT/s (OC), it ensures rapid data access, improved system responsiveness, and excellent multitasking capability.

Engineered for stability, the motherboard uses a Direct 6-phase power design with P-PAK components, paired with an 8-pin CPU power connector, Core Boost, Memory Boost, and a durable 6-layer PCB for consistent power delivery and enhanced reliability. To maintain low temperatures under heavy workloads, the Frozr Guard thermal solution includes an extended heatsink, 7W/mK MOSFET thermal pads, additional choke thermal pads, and an M.2 Shield Frozr to protect high-speed SSDs from thermal throttling.

The board simplifies upgrades with EZ DIY features, including EZ M.2 Clip II, EZ PCIe Clip II, and EZ Antenna, making installation quick and hassle-free even for beginners. For high-speed performance, it offers a PCIe 5.0 slot and Lightning Gen 5 x4 M.2, ensuring top-tier bandwidth for next-gen GPUs and NVMe storage.

Connectivity is a major highlight, featuring 5G LAN and Wi-Fi 7, delivering ultra-fast, stable, and secure networking for demanding workflows, cloud tasks, and smooth online streaming. Complementing the experience, Audio Boost provides clean, studio-grade sound quality—ideal for entertainment, calls, and audio-focused work.

Product Datasheet

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