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header-product Motherboard MSI PRO B860M-A WIFI — Intel B860, LGA 1851, micro ATX, DDR5, 4 DIMM, Wi‑Fi, 5Gb LAN, 3×M.2, HDMI 2.1
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AiO.lv Computer Components Pc Components Motherboards MSI

Motherboard MSI PRO B860M-A WIFI — Intel B860, LGA 1851, micro ATX, DDR5, 4 DIMM, Wi‑Fi, 5Gb LAN, 3×M.2, HDMI 2.1

MSI PRO B860M-A WIFI micro ATX motherboard Photo 1
MSI PRO B860M-A WIFI micro ATX motherboard Photo 2
MSI PRO B860M-A WIFI micro ATX motherboard Photo 3
MSI PRO B860M-A WIFI micro ATX motherboard Photo 4
MSI PRO B860M-A WIFI micro ATX motherboard Photo 5
MSI PRO B860M-A WIFI micro ATX motherboard Photo 1
MSI PRO B860M-A WIFI micro ATX motherboard Photo 2
MSI PRO B860M-A WIFI micro ATX motherboard Photo 3
MSI PRO B860M-A WIFI micro ATX motherboard Photo 4
MSI PRO B860M-A WIFI micro ATX motherboard Photo 5
MSI PRO B860M-A WIFI micro ATX motherboard Photo 1
MSI PRO B860M-A WIFI micro ATX motherboard Photo 2
MSI PRO B860M-A WIFI micro ATX motherboard Photo 3
MSI PRO B860M-A WIFI micro ATX motherboard Photo 4
MSI PRO B860M-A WIFI micro ATX motherboard Photo 5
MSI PRO B860M-A WIFI micro ATX motherboard Photo 1
MSI PRO B860M-A WIFI micro ATX motherboard Photo 2
MSI PRO B860M-A WIFI micro ATX motherboard Photo 3
MSI PRO B860M-A WIFI micro ATX motherboard Photo 4
MSI PRO B860M-A WIFI micro ATX motherboard Photo 5
Motherboard MSI PRO B860M-A WIFI — Intel B860, LGA 1851, micro ATX, DDR5, 4 DIMM, Wi‑Fi, 5Gb LAN, 3×M.2, HDMI 2.1
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Short description

MSI PRO B860M-A WIFI is a micro ATX motherboard with Intel B860 chipset and LGA 1851 socket supporting Intel Core Ultra (Series 2) processors. It has four DDR5 DIMM slots (up to 256 GB, dual-channel, up to 8800 MHz), integrated Wi‑Fi and Bluetooth, 5 Gb Ethernet, Realtek ALC897 7.1 audio, three M.2 slots (one PCIe 5.0, two PCIe 4.0), four SATA III ports and RAID support. Rear I/O includes HDMI 2.1, multiple USB 3.2/2.0 ports and USB-C. Fits compact builds that need high-speed storage and modern connectivity.
Warranty: 3 Years
SKU: 11239414
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Product information

Description

The MSI PRO B860M-A WIFI is a micro ATX motherboard for Intel processors with the LGA 1851 (Socket V1). It supports DDR5 memory up to 256 GB across four DIMM slots and offers multiple storage options including M.2 and SATA III interfaces. Designed for modern PC builds, the board includes Wi-Fi 7, 5G LAN, Thunderbolt 4 support, PCIe 5.0 M.2 compatibility and Supplemental PCIe Power, and it is ready for Intel® Core™ Ultra processors.

Advantages

The motherboard combines a compact micro ATX form factor with advanced connectivity: native Wi-Fi 7 with EZ Antenna, high-speed 5 Gigabit Ethernet, and Thunderbolt 4. It supports PCIe 5.0 M.2 drives for faster storage performance and provides robust memory capacity with DDR5 support up to 256 GB. Built-in RAID options (0, 1, 5, 10) enable flexibility for performance and data redundancy.

Suitable for

  • Compact desktop builds that require high-speed connectivity
  • Workstations and home office PCs using Intel LGA 1851 processors
  • Systems needing fast NVMe storage and RAID configurations
  • Users who want integrated Wi-Fi 7 and multi-gig Ethernet

Key specifications

  • Form factor: Micro ATX
  • Chipset: Intel B860
  • Processor socket: LGA 1851 (Socket V1)
  • Memory: 4 DIMM slots, DDR5 up to 256 GB
  • Storage interfaces: M.2 and SATA III
  • Networking: Wi‑Fi 7, 5 Gigabit Ethernet
  • Expansion / features: PCIe 5.0 M.2, Thunderbolt 4, Supplemental PCIe Power

How to use

Install the motherboard into a compatible micro ATX case and mount an Intel processor compatible with the LGA 1851 socket. Populate DDR5 memory modules in matched pairs according to the motherboard manual to reach optimal performance up to 256 GB. Connect storage devices to the M.2 slots or SATA III ports and configure RAID levels via the BIOS if required. Attach the EZ Antenna for Wi‑Fi 7 and connect network cables to the 5G LAN port for wired networking. Follow standard ESD precautions and consult the MSI manual for jumper and power connector placements.

Usage recommendations

For stable high-speed operation, use certified DDR5 modules and quality NVMe SSDs; update the BIOS to the latest MSI release before first boot to ensure full compatibility with Intel® Core™ Ultra processors and the latest connectivity features.

Specifications

Motherboard form factor:
Micro ATX
Motherboard chipset:
Intel B860
Component for:
PC
Processor socket:
LGA 1851 (Socket V1)
Number of memory slots:
4
Maximum internal memory:
256 GB
Supported memory types:
DDR5-SDRAM
All features

Features

Motherboard form factor:
Micro ATX
Motherboard chipset:
Intel B860
Component for:
PC
Audio output channels:
7.1
Windows operating systems supported:
Windows 11 x64
Motherboard chipset family:
AMD
Product colour:
Black

Processor

Processor manufacturer:
Intel
Processor socket:
LGA 1851 (Socket V1)
Maximum internal memory supported by processor:
256 GB

Memory

Number of memory slots:
4
Maximum internal memory:
256 GB
Supported memory types:
DDR5-SDRAM
Supported memory clock speeds:
6400, 4800
Memory channels:
Dual-channel
Memory slots type:
DIMM
Supported memory clock speed (max):
8800 MHz
ECC сompatibility:
non-ECC

Expansion slots

Number of M.2 (M) slots:
3
PCI Express x16 (Gen 4.x) slots:
3
PCI Express x16 (Gen 5.x) slots:
1
1st M.2 largest key size:
2280
2nd M.2 largest key size:
2280
3rd M.2 largest key size:
2280
1st M.2 highest PCI Express generation:
5.0
2nd M.2 highest PCI Express generation:
4.0
3rd M.2 highest PCI Express generation:
4.0

Graphics

On-board graphics card:
No

Network

Bluetooth version:
5.4
Ethernet LAN:
Yes
Bluetooth:
Yes
Wi-Fi:
Yes
Ethernet interface type:
5 Gigabit Ethernet
Top Wi-Fi standard:
Wi-Fi 7 (802.11be)

Internal I/O

Number of SATA connectors:
0
USB 2.0 connectors:
4
CPU fan connector:
Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectors:
4
Number of SATA III connectors:
4
Number of SATA II connectors:
0
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
1
Total number of SATA connectors:
4
RGB LED pin header:
Yes
Number of RGB LED pin headers:
3
Number of CPU fan connectors:
1
Number of water pump connectors:
1

Rear panel I/O ports

USB 2.0 ports quantity:
2
Ethernet LAN (RJ-45) ports:
1
VGA (D-Sub) ports quantity:
0
DVI-D ports quantity:
0
HDMI ports quantity:
1
HDMI version:
2.1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity:
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
0

Storage controllers

RAID levels:
5, 1, 10
Supported storage drive types:
HDD & SSD
RAID support:
Yes
Number of storage drives supported:
7
Supported storage drive interfaces:
Micro SATA III, M.2

BIOS

BIOS memory size:
256 Mbit
BIOS type:
UEFI AMI

Weight & dimensions

Width:
243.84 mm
Depth:
243.84 mm

Other features

Number of HDDs supported:
4
Wi-Fi standards:
Wi-Fi 4 (802.11n), 802.11g, 802.11b, 802.11a, Wi-Fi 7 (802.11be), Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac)
mSATA ports quantity:
0
Audio chip:
Realtek ALC897
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Instructions

mmo_124873685_1736931355_8025_871441.pdf
msi-7E42-002R-11239414.pdf

Description

Instructions

mmo_124873685_1736931355_8025_871441.pdf
msi-7E42-002R-11239414.pdf
Machine translation. Load original

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Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All MSI products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized MSI service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: motherboard form factor, motherboard chipset, component for, processor socket, number of memory slots, maximum internal memory, supported memory types, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for MSI PRO B860M-A WIFI micro ATX motherboard?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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