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MSI PRO B860M-E
MSI · Motherboard

MSI PRO B860M-E

B860 · LGA1851 (Socket V1) · mATX · DDR5

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  • Chipset B860
  • Form factor mATX
  • Memory slots 2
  • Max memory 128 GB
  • Socket LGA1851 (Socket V1)
  • Memory type DDR5

MSI PRO B860M-E is a mATX and B860 chipset motherboard for LGA1851 (Socket V1) processors and DDR5 memory. It came out in 2026.

Released
2026-07-28
Socket
LGA1851 (Socket V1)

Specifications

Key specs

Chipset
B860
Form factor
mATX
Memory slots
2
Max memory
128 GB
Socket
LGA1851 (Socket V1)
Memory type
DDR5
Released
2026-07-28
Part number
PRO B860M-E

Processor

Processor manufacturer
Intel
Processor socket
LGA 1851 (Socket V1)
Compatible processor series
Intel Core Ultra (Series 2)
Supported processor sockets
LGA 1851

Memory

Supported memory types
DDR5-SDRAM
Number of memory slots
2
Memory slots type
DIMM
Memory channels
Dual-channel
ECC сompatibility
Non-ECC
Supported memory clock speeds
9066,6400 MHz
Supported memory clock speed (max)
9066 MHz
Maximum internal memory
128 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
6

Internal I/O

USB 2.0 connectors
4
USB 3.2 Gen 1 (3.1 Gen 1) connectors
2
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
4
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-C 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
2
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

BIOS

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

Weight & dimensions

Width
220 mm
Depth
243.8 mm

Check the manufacturer's page before buying.

Ready to buy? Get the MSI PRO B860M-E at today's price.Buy now on Amazon

Compatible processors

LGA1851 (Socket V1) socket

None in the catalog yet.

Compatible memory

DDR5

About this product

PRO B860M-E is engineered with many exclusive features of MSI, PCIe 5.0 M.2, EZ PCIe Clip II, 5G LAN, and Front Type-C, ready for the Intel® Core™ Ultra processors.

BUSINESS ELEGANCE

The PRO Series is tailored to professionals from all walks of life. The lineup features impressive performance and high quality, while aiming to provide users incredible experience. Users who care about productivity and efficiency can definitely count on the MSI PRO Series to assist you with multitasking and increasing efficiency. MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before. Direct 6+1+1+1 POWER DESIGN Unleash and sustain the maximum performance with a flagship VRM design built with a total of 6+1+1+1 digital power phases. With an 8 pin power connector, PRO B860M-B is ready for the challenge of high-end processors.

OPTIMIZED PCB SOLUTION

The PCB design has been optimized for higher bandwidth and faster transfer speeds, which is also beneficial for reliable circuit transmission.

Datasheet (PDF)

PRO B860M-E vs similar motherboards

MSI PRO B860M-EGigabyte B860M E GEN5 Motherboard Intel Core Ultra Series CPUsGigabyte B860M E Motherboard Intel Core Ultra Series CPUsASUS B860M AYW GAMING WIFI
ChipsetB860B860B860B860
Form factormATXmATXmATXmATX
Memory slots2222
Max memory128 GB128 GB128 GB128 GB
SocketLGA1851 (Socket V1)LGA1851 (Socket V1)LGA1851 (Socket V1)LGA1851 (Socket V1)
Memory typeDDR5DDR5DDR5DDR5
Released2026202620252025

Questions about the PRO B860M-E

What are the main specs of the MSI PRO B860M-E?

B860, LGA1851 (Socket V1), mATX, DDR5, 2 RAM slots.

Which chipset does the MSI PRO B860M-E use?

B860.

What form factor is the MSI PRO B860M-E?

mATX.

Which socket does the MSI PRO B860M-E use?

LGA1851 (Socket V1).

When did the MSI PRO B860M-E come out?

It was released in 2026/07 (MSI).

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