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MSI MAG B850 GAMING PLUS MAX WIFI motherboard AMD B850 Socket AM5 ATX

MSI MAG B850 GAMING PLUS MAX WIFI, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000...Read full description ↓

Best offerPrice trend

£199.98

Stable
Price trend
Detailed analysis
Price history of MSI MAG B850 GAMING PLUS MAX WIFI motherboard AMD B850 Socket AM5 ATX over the last 3 months
DatePrice
13 April 2026£199.98
20 April 2026£199.98
27 April 2026£199.98
5 May 2026£199.98
5 May 2026£199.98
8 May 2026£199.98
27 May 2026£199.98
29 May 2026£203.98
1 June 2026£199.98
1 June 2026£199.98
12 June 2026£203.98
13 June 2026£199.98
15 June 2026£199.98
19 June 2026£199.98
29 June 2026£199.98
1 July 2026£199.97
2 July 2026£199.96
2 July 2026£199.88
3 July 2026£199.98
6 July 2026£199.98

Compare MSI MAG B850 GAMING PLUS MAX WIFI motherboard AMD B850 Socket AM5 ATX prices UK

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Product Information

MAG B850 GAMING PLUS MAX WIFI
MAG B850 GAMING PLUS MAX WIFI is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with the latest Wi-Fi 7 solution, 5G LAN, USB 10Gbps, PCIe 5.0 solutions, Supplemental PCIe Power, and exclusive EZ DIY features, it's ready for the battlefield of AMD Ryzen™ 9000 series processors.

MSI's mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.

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.

Carefully developed by MSI, allows SSD installation and removal without the need for screws, greatly enhancing convenience.

Unleash and sustain maximum performance with a flagship VRM design built with a total of 12+2+1 digital power phases. Combining dual power connectors and P-PAK Power Stage, MAG B850 GAMING PLUS MAX WIFI is ready for the challenge of high-end processors.

OC Engine is a dedicated chip that enables independent Base Clock (BCLK) control for precise tuning through asynchronous mode in MSI BIOS. It boosts performance by up to 15% while keeping iGPU, memory, PCIe and NVMe stable, giving enthusiasts more headroom for record-breaking overclocks.

MSI utilizes PCB Fabric Technology to enhance signal performance, resulting in higher bandwidth and faster data transfer while minimizing signal loss. The PCB Fabric Technology also offers better impedance control and improved thermal stability, allowing the boards to endure demanding conditions. Due to the high-quality materials used, MSI motherboards are highly reliable and well-suited for the requirements of modern technology.

Extended Heatsink
Extended Heatsink enlarges the surface of heat dissipation and maintain the performance at heavy loads.

EZ M.2 Shield Frozr II
Strengthened M.2 thermal solution helps keep M.2 SSD safe and ensures incredible performance.

Heavy Plated VRM Heatsink
The VRM heatsink covers the upper MOS and helps dissipate the heat.

7W/mK Thermal Pad & Additional Choke Pad
High-quality 7W/mK MOSFET thermal pads and additional choke thermal pads ensure stable performance when all cores are runnging at high speed.

Chipset Heatsink
The heatsink is designed to reduce dust and noise and capable of maintaining high efficiency of heat dissipation.

MSI's premium network solution provides incredible data transfer speed for demanding users.

Wi-Fi 7 is the latest wireless solution that takes a huge leap forward with multiple improvements to meet the traffic demand brought and the growing number of wireless devices.

MSI AI LAN Manager automatically classifies and prioritizes the latency-sensitive applications for online games, giving you the best online gaming experience with low latency.

Motherboards MSI

Product

Name
MSI MAG B850 GAMING PLUS MAX WIFI motherboard AMD B850 Socket AM5 ATX
Category
Motherboards
Brand
MSI

Weight & dimensions

Width
243.8 mm
Depth
304.8 mm

Memory

Supported memory types
DDR5-SDRAM
Number of memory slots
4
Maximum internal memory
256 GB
Memory slots type
DIMM
Memory channels
Dual-channel
ECC сompatibility
Non-ECC
Supported memory clock speeds
4800,5600,8200,6400 MHz
Supported memory clock speed (max)
8200 MHz

Processor

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

Rear panel I/O ports

USB 2.0 ports quantity
4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
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
2
Ethernet LAN (RJ-45) ports
1
VGA (D-Sub) ports quantity
0
HDMI ports quantity
0
DVI-D ports quantity
0
DisplayPorts quantity
1
DisplayPort version
1.2

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
Number of SATA II connectors
0
Number of SATA connectors
0
Total number of SATA connectors
4
CPU fan connector
Yes
Number of CPU fan connectors
6
Number of water pump connectors
1
RGB LED pin header
Yes
Number of RGB LED pin headers
3

Network

Wi-Fi
Yes
Ethernet LAN
Yes
Ethernet interface type
5 Gigabit Ethernet
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

Expansion slots

PCI Express x16 (Gen 3.x) slots
1
PCI Express x16 (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

Graphics

On-board graphics card
No

Features

Component for
PC
Motherboard form factor
ATX
Motherboard chipset family
AMD
Motherboard chipset
AMD B850
Audio output channels
7.1 channels
Audio chip
Realtek ALC897
Product colour
White
Windows operating systems supported
Windows 11 x64

Storage controllers

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

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