MSI MAG B850 GAMING PLUS MAX WIFI Socket AM5 DDR5 ATX Motherboard

£120.13

  • Form Factor & Socket: ATX | AMD AM5 Socket (Supports Ryzen 9000 / 8000 / 7000 Series) | AMD B850 Chipset
  • Memory & Storage: 4x DDR5 DIMM Slots (up to 8200+ MT/s OC) | 3x M.2 Slots (1x PCIe 5.0, 2x PCIe 4.0) | 4x SATA 6Gb/s
  • Expansion: 1x PCIe 5.0 x16 (Steel Armor II) | 1x PCIe 4.0 x4 | 2x PCIe 3.0 x1
  • Networking & Connectivity: Wi-Fi 7 | Bluetooth 5.4 | Realtek 5G LAN | USB 10Gbps Type-C & Type-A Ports
  • Key Features: 12+2+1 Duet Rail Power System | EZ DIY (EZ M.2 Shield Frozr II, EZ PCIe Release, EZ Antenna) | Extended Heatsinks | Realtek ALC897 Audio | Mystic Light ARGB Support
  • Warranty: 3 years 

Description

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MSI · MAG Series · AMD B850

MSI MAG B850 GAMING PLUS MAX WIFI Socket AM5 DDR5 ATX Motherboard

AMD B850 · AM5 · DDR5 8200+ MT/s · PCIe 5.0 · Wi-Fi 7 · 5G LAN · EZ DIY

AM5 Socket
Ryzen 9000/8000/7000
DDR5 8200+ MT/s
12+2+1 Power
Wi-Fi 7
5G LAN
Price: Contact Us
✓ In Stock

MSI MAG B850 GAMING PLUS MAX WIFI AM5 DDR5 ATX motherboard with EZ DIY and Wi-Fi 7 features

Key Highlights

⚡
12+2+1 Power

Duet Rail P-PAK

🧠
DDR5 8200+

EXPO/A-XMP support

💾
3× M.2

PCIe 5.0 x4 + 2× PCIe 4.0

🌐
Wi-Fi 7

5G LAN · 2.9Gbps

🛠️
EZ DIY

EZ M.2 Clip II · PCIe Release

🖥️
64MB BIOS

Click BIOS X

What’s Included

Everything you need to build your next-gen AMD gaming PC.

🖥️
B850 Motherboard

ATX · AM5

📡
EZ Antenna

Wi-Fi 7 · Magnetic

🔌
SATA Cables

2× SATA 6Gb/s

🔩
M.2 Accessories

EZ M.2 Clip II

📑
Quick Start Guide

Installation manual

EZ DIY — One-Finger, One-Hand, One-Step

MSI’s EZ DIY innovations make PC building effortless. EZ M.2 Clip II allows tool-free SSD installation. EZ PCIe Release removes any PCIe card with a single tap. Pre-Installed I/O Shield and EZ Antenna with magnetic stand simplify setup.

Ultra Performance — 12+2+1 Duet Rail Power

The MAG B850 GAMING PLUS MAX WIFI features a 12+2+1 Duet Rail Power System with P-PAK Power Stages. Dual 8-pin CPU power connectors, 6-layer PCB with 2oz thickened copper, and server-grade materials ensure stable power delivery for high-end processors.

Pro Tip

Maximize Your MAG B850 Build

Enable AI Boost in MSI BIOS to overclock the NPU for improved AI performance. Use Memory Try It! and High-Efficiency Mode to optimize DDR5 performance. The Latency Killer feature reduces memory latency by up to 12% at high frequencies.

FROZR Design — Extended Heatsink & EZ M.2 Shield Frozr II

The Extended Heatsink enlarges the surface of heat dissipation. EZ M.2 Shield Frozr II keeps M.2 SSDs cool for incredible performance. 7W/mK thermal pads, additional choke pads, and chipset heatsink ensure stable operation under heavy loads.

Wi-Fi 7 & 5G LAN — Flawless Connectivity

The latest Wi-Fi 7 solution delivers speeds up to 2.9Gbps with MLO and 4KQAM. Realtek 5G LAN provides incredible data transfer speeds. The EZ Antenna with magnetic stand ensures stable wireless connections.

Best For & Considerations

✅ Best For

  • ✔ Gamers building high-performance AMD Ryzen 9000 systems
  • ✔ Users who want Wi-Fi 7 and 5G LAN connectivity
  • ✔ Builders who appreciate EZ DIY tool-free features
  • ✔ Those who value 12+2+1 power delivery for overclocking
  • ✔ Users wanting premium audio and RGB lighting control

❌ Considerations

  • ✗ Users on a strict budget (premium B850 motherboard)
  • ✗ Those who prefer Intel platforms (AMD AM5 only)
  • ✗ Users needing more than 3 M.2 slots
  • ✗ Those who don’t need Wi-Fi 7 connectivity

Technical Specifications

Model Name MSI MAG B850 GAMING PLUS MAX WIFI
SKU N/A
MPN / Part Number N/A
UPC / EAN N/A
Socket AM5
Chipset AMD B850
Form Factor ATX (304.8 × 243.84 mm)
CPU Support AMD Ryzen 9000/8000/7000 Series
Memory 4× DDR5, max 256GB, up to 8200+ MT/s
Power Phase 12+2+1 Duet Rail with P-PAK
PCIe Slots 1× PCIe 5.0 x16, 1× PCIe 4.0 x4, 2× PCIe 3.0 x1
M.2 Slots 3× (1× PCIe 5.0 x4, 2× PCIe 4.0)
SATA Ports 4× SATA 6Gb/s
LAN Realtek 8126 5G LAN
Wireless Wi-Fi 7 (2.9Gbps) + Bluetooth 5.4
USB Ports (Rear) 2× USB 10Gbps Type-C, 1× USB 10Gbps Type-A, 1× USB 5Gbps, 4× USB 2.0
Audio Realtek ALC897 7.1-Channel HD Audio
RGB Headers 3× Addressable V2 RGB, 1× RGB LED
Warranty Check MSI policy

Compatibility

AMD Ryzen 9000 Series
✓ Supported
AMD Ryzen 8000 Series
✓ Supported
AMD Ryzen 7000 Series
✓ Supported
DDR5 Memory
✓ EXPO/A-XMP
PCIe 5.0 Graphics
✓ Supported
Wi-Fi 7
✓ Included

ℹ️ Important Technical Notes

PCIe Slot Configuration: PCI_E1 supports PCIe 5.0 x16 with Ryzen 9000/7000 CPUs. With Ryzen 8000 Series, it operates at PCIe 4.0 x8 (8700/8600/8400) or x4 (8500/8300). PCI_E2, PCI_E3 & PCI_E4 share bandwidth — PCI_E3 runs at x2 when devices are installed in PCI_E2 or PCI_E4.

Memory Support: CUDIMM support and POR boot frequency may vary by CPU series. Manual overclocking is available after boot. Future BIOS updates will improve compatibility.

Wi-Fi 7: 6GHz band support depends on country regulations. Wi-Fi 7 is ready in Windows 11 version 24H2. Bluetooth 5.4 also requires Windows 11 version 24H2.

Frequently Asked Questions

What processors are compatible with the MAG B850 GAMING PLUS MAX WIFI?
+
The MSI MAG B850 GAMING PLUS MAX WIFI supports AMD Ryzen 9000, 8000, and 7000 Series desktop processors on the AM5 socket.
What is the maximum memory speed supported?
+
The motherboard supports DDR5 memory up to 8200+ MT/s (overclocked), with support for AMD EXPO and A-XMP profiles.
Does this motherboard have built-in Wi-Fi?
+
Yes. The MAG B850 GAMING PLUS MAX WIFI features built-in Wi-Fi 7 with speeds up to 2.9Gbps and Bluetooth 5.4, with an EZ Antenna with magnetic stand included.
How many M.2 slots does the motherboard have?
+
The motherboard features three M.2 slots: one PCIe 5.0 x4 (from CPU) and two PCIe 4.0 slots (one from CPU, one from chipset).
What are the EZ DIY features on this motherboard?
+
EZ DIY features include EZ M.2 Clip II (tool-free SSD installation), EZ PCIe Release (one-tap GPU removal), Pre-Installed I/O Shield, EZ Antenna with magnetic stand, and EZ Debug LEDs for troubleshooting.

Source: Official MSI product page. All specifications and features are mirrored directly from manufacturer data.

Disclaimer: Prices, availability, and warranty information are subject to change. Please verify current details at time of purchase.

© 2026 Alfrensia. All rights reserved.

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Additional information

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