MSI PRO B850-S EVO WIFI
MSI · Motherboard

MSI PRO B850-S EVO WIFI

B850 · AM5 · ATX · DDR5

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  • Chipset B850
  • Form factor ATX
  • Memory slots 4
  • Max memory 256 GB
  • Socket AM5
  • Memory type DDR5

MSI PRO B850-S EVO WIFI is an ATX and B850 chipset motherboard for AM5 processors and DDR5 memory. It came out in 2026.

Released
2026-02-19
Socket
AM5

Specifications

Key specs

Chipset
B850
Form factor
ATX
Memory slots
4
Max memory
256 GB
Socket
AM5
Memory type
DDR5
Released
2026-02-19
Part number
PRO B850-S EVO WIFI
EAN / UPC
4711377422765

Processor

Processor manufacturer
AMD
Processor socket
Socket AM5
Compatible processor series
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series

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
8200,5600,4800 MHz
Supported memory clock speed (max)
8200 MHz
Maximum internal memory
256 GB
Unbuffered memory
Yes
View all specifications +10 more sectionsShow fewer specifications

Storage controllers

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

Graphics

Parallel processing technology support
Not supported

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
Audio connector
Yes
Front panel audio connector
Yes
Front panel connector
Yes
Power fan connector
Yes
CPU fan connector
Yes
Number of CPU fan connectors
1
Chassis intrusion connector
Yes
Number of COM connectors
1
TPM connector
Yes
RGB LED pin header
Yes

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 2 (3.1 Gen 2) Type-C ports quantity
1
Ethernet LAN (RJ-45) ports
1
HDMI ports quantity
1
HDMI version
2.1
DisplayPorts quantity
1
DisplayPort version
1.4

Network

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

Features

Motherboard chipset
AMD B850
Audio chip
Realtek ALC897
Audio output channels
7.1 channels
Product colour
Black
Component for
PC
Motherboard form factor
ATX
Motherboard chipset family
AMD
Power source type
ATX

Expansion slots

PCI Express x1 (Gen 3.x) slots
1
PCI Express x4 (Gen 4.x) slots
1
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
22110
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
512 Mbit
ACPI version
6.5
System Management BIOS (SMBIOS) version
3.7

Weight & dimensions

Width
243.8 mm
Depth
304.8 mm

Technical details

Legal guarantee
3 year(s)

Check the manufacturer's page before buying.

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Compatible processors

AM5 socket

About this product

PRO B850-S EVO WIFI

PRO B850-S EVO WIFI offers a simple design with a harmonious black color scheme that perfectly matches black PC builds. It is engineered with many exclusive features of MSI, a Wi-Fi 7 with EZ Antenna, 5G LAN, PCIe 5.0 M.2 with M.2 Shield Frozr, EZ PCIe Clip II, and Supplemental PCIe Power, ready for the AMD Ryzen™ 9000 series processors 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. The new EZ PCIe Clip II, located on the first slot, features the rebounding force mechanism that allows for easy removal of the graphics card by pressing the tail-like lock with one finger.

User manual (PDF) · Datasheet (PDF)

PRO B850-S EVO WIFI vs similar motherboards

MSI PRO B850-S EVO WIFIMSI PRO B850-V EVO WIFIMSI MAG B850 TOMAHAWK MAX WIFI IIMSI MAG B850 GAMING PLUS MAX WIFI
ChipsetB850B850B850B850
Form factorATXATXATXATX
Memory slots4444
Max memory256 GB256 GB256 GB256 GB
SocketAM5AM5AM5AM5
Memory typeDDR5DDR5DDR5DDR5
Released2026202620262026

Questions about the PRO B850-S EVO WIFI

What are the main specs of the MSI PRO B850-S EVO WIFI?

B850, AM5, ATX, DDR5, 4 RAM slots.

Which chipset does the MSI PRO B850-S EVO WIFI use?

B850.

What form factor is the MSI PRO B850-S EVO WIFI?

ATX.

Which socket does the MSI PRO B850-S EVO WIFI use?

AM5.

When did the MSI PRO B850-S EVO WIFI come out?

It was released in 2026/02 (MSI).

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