MSI · Motherboard

MSI PRO B860M-A WIFI (mATX)

B860 · LGA1851 · mATX · DDR5

See today's price, delivery and offers at the store.

Buy nowAdd to your build

Chipset B860
Socket LGA1851
Form factor mATX
Memory type DDR5
Memory slots 4

MSI PRO B860M-A WIFI (mATX) is a mATX and B860 chipset motherboard for LGA1851 processors and DDR5 memory.

Socket: LGA1851

Specifications

Key specs

Chipset: B860
Socket: LGA1851
Form factor: mATX
Memory type: DDR5
Memory slots: 4
Part number: PRO B860M-A WIFI
EAN / UPC: 4711377286565

Processor

Processor manufacturer: Intel
Processor socket: LGA 1851 (Socket V1)
Compatible processor series: Intel Core Ultra (Series 2)
Supported processor sockets: LGA 1851
Maximum internal memory supported by processor: 256 GB

Memory

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

View all specifications +8 more sectionsShow fewer specifications

Storage controllers

Supported storage drive types: HDD & SSD
Supported storage drive interfaces: M.2, Micro SATA III
Number of HDDs supported: 4
Number of storage drives supported: 7
RAID support: Yes
RAID levels: 0, 1, 5, 10

Internal I/O

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

Rear panel I/O ports

USB 2.0 ports quantity: 2
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
Ethernet LAN (RJ-45) ports: 1
HDMI ports quantity: 1
HDMI version: 2.1

Network

Ethernet LAN: Yes
Ethernet interface type: 5 Gigabit Ethernet
Wi-Fi: Yes
Top Wi-Fi standard: Wi-Fi 7 (802.11be)
Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
Bluetooth: Yes
Bluetooth version: 5.4

Features

Motherboard chipset: Intel B860
Audio chip: Realtek ALC897
Audio output channels: 7.1 channels
Product colour: Black
Component for: PC
Motherboard form factor: micro ATX
Motherboard chipset family: AMD
Windows operating systems supported: Windows 11 x64

Expansion slots

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

BIOS

BIOS type: UEFI AMI
BIOS memory size: 256 Mbit
ACPI version: 6.5
System Management BIOS (SMBIOS) version: 3.7

Weight & dimensions

Width: 243.8 mm
Depth: 243.8 mm

Check the manufacturer's page before buying.

Ready to buy? Get the MSI PRO B860M-A WIFI (mATX) at today's price.Buy now

Compatible processors

LGA1851 socket

Intel Core Ultra 5 245K14 cores · 14 threads
Intel Core Ultra 7 265K20 cores · 20 threads
Intel Core Ultra 3 2058 cores · 8 threads
Intel Core Ultra 5 22510 cores · 10 threads
Intel Core Ultra 5 225F10 cores · 10 threads
Intel Core Ultra 5 23514 cores · 14 threads
Intel Core Ultra 5 24514 cores · 14 threads
Intel Core Ultra 7 26520 cores · 20 threads

Compatible memory

DDR5

Kingston FURY Beast 32GB (2x16) DDR5-6000 CL3632 GB (2x16) · DDR5
ADATA XPG Lancer RGB 32GB (2x16) DDR5-6000 CL3032 GB (2x16) · DDR5
Klevv Fit V32 GB (2x16) · DDR5
Klevv 32GB (2X16GB) 6400MHz CL30 DDR5 GAMING RAM MODULE 30-38-38-78 1.4V CRAS V RGB WHITE KIT32 GB (2x16) · DDR5
Klevv Urbane V RGB32 GB (2x16) · DDR5
Klevv Bolt V32 GB (2x16) · DDR5
Kingston ValueRAM32 GB (1x32) · DDR5
Kingston 32GB 5600MT/s DDR5 CL36 DIMM FURY Beast RGB EXPO32 GB (1x32) · DDR5

About this product

PRO B860M-A WIFI offers a simple design with a harmonious silver color scheme that perfectly matches both white and black PC builds. It is engineered with many exclusive features of MSI, a true Wi-Fi 7 with EZ Antenna, 5G LAN, Thunderbolt 4, PCIe 5.0 M.2, and Supplemental PCIe Power, ready for the Intel® Core™ Ultra processors.

User manual (PDF) · Datasheet (PDF)

PRO B860M-A WIFI (mATX) vs similar motherboards

	MSI PRO B860M-A WIFI (mATX)	Gigabyte B860M D3HP (mATX)	MSI PRO B860M-P WIFI6E	MSI B860M GAMING PLUS WIFI
Chipset	B860	B860	B860	B860
Socket	LGA1851	LGA1851	LGA1851 (Socket V1)	LGA1851 (Socket V1)
Form factor	mATX	mATX	mATX	mATX
Memory type	DDR5	DDR5	DDR5	DDR5
Memory slots	4	4	4	4
Released	—	—	2026	2024