MSI MAG B850 GAMING PLUS MAX WIFI Socket AM5 DDR5 ATX Motherboard
11999 EGP
- 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
In stock
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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
Ryzen 9000/8000/7000
DDR5 8200+ MT/s
12+2+1 Power
Wi-Fi 7
5G LAN
✓ In Stock
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.
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
Compatibility
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
| MODEL | |
|---|---|
| CHIPSET MANUFACTURERS | |
| CPU Socket | |
| Motherboard Chipset | |
| Motherboard Type | |
| CPU SERIES | AMD Ryzen 7000 Series & Ryzen 8000 & Ryzen 9000 Series Processors |
| Technology | |
| Memory Speed | |
| Max Memory Size | |
| Memory Slot | |
| PCI-E X16 | |
| PCI-E GEN | PCIe 3.0, PCIe 5.0, PCIe 4.0 |
| PCI-E Slots (M.2) | |
| SATAIII | |
| Communication module | |
| Part Number | |
| Warranty |
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