MSI MAG B850 Gaming Plus WiFi Motherboard
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About This Item
- AMD B850 chipset with Socket AM5 for AMD Ryzen 7000/8000/9000 series processors
- Supports up to 256GB DDR5 memory across 4 DIMM slots with speeds up to 8200MHz
- Three M.2 slots (one PCIe 5.0, two PCIe 4.0) for high-speed NVMe storage
- ATX form factor with 4 SATA III ports and RAID 0/1/10 support
- Wi-Fi 7 and 5Gb Ethernet with Bluetooth 5.4 for premium connectivity
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MSI MAG B850 GAMING PLUS MAX WIFI | AMD B850 ATX Motherboard for Gamers
The MSI MAG B850 GAMING PLUS MAX WIFI motherboard AMD B850 Socket AM5 ATX is built for gamers seeking rock-solid stability and future-proof performance. With support for AMD Ryzen 9000 series processors, DDR5 memory, PCIe 5.0, and Wi-Fi 7, it delivers the foundation needed for high-end gaming and demanding workloads.
Key Specifications
| Metric | Spec |
|---|---|
| Processor Support | AMD Ryzen 7000/8000/9000 Series (Socket AM5) |
| Memory | DDR5, up to 256 GB, 4800-8200 MHz |
| Storage | 3 M.2 slots (PCIe 5.0/4.0), 4 SATA III |
| Networking | Wi-Fi 7, 5Gb Ethernet, Bluetooth 5.4 |
| Form Factor | ATX (243.8 x 304.8 mm) |
Built for AMD Ryzen 9000 Series & Beyond
Engineered around the AMD B850 chipset, this motherboard supports the latest Ryzen 9000 series processors with a robust 12+2+1 digital power phase design. The VRM setup includes dual power connectors and P-PAK Power Stage, ensuring stable power delivery even under heavy overclocking loads. Combined with extended heatsinks and 7W/mK thermal pads, thermal performance remains consistent during marathon gaming sessions.
Next-Gen Connectivity & Storage
Storage and connectivity are handled with future readiness in mind. Three M.2 slots support PCIe 5.0 and 4.0 drives, including screwless EZ M.2 Shield Frozr II for easy SSD swaps. Four SATA III ports and RAID 0/1/10 support expand storage options. Front-panel USB 10Gbps and rear USB 3.2 Gen 2 Type-C ports deliver rapid data transfer, while Wi-Fi 7 and 5Gb LAN keep network performance at the cutting edge.
Enhanced DIY Experience with EZ Features
MSI’s EZ DIY features make building and upgrading straightforward. The M.2 heatsink can be installed without tools, and the reinforced PCIe slots prevent GPU sag. Pre-installed I/O shielding and clearly labelled headers simplify cable management. BIOS flashback and Click BIOS 5 provide intuitive firmware updates and tuning, even without a CPU installed.
Box Contents
- MSI MAG B850 GAMING PLUS MAX WIFI motherboard
- I/O shield
- User manual
- SATA cables (quantity as per standard)
- M.2 screws and standoff
- Wi-Fi antenna
Check Before You Buy
- Confirm your CPU is an AMD Ryzen 7000/8000/9000 series with Socket AM5.
- Verify your case supports ATX motherboards (304.8 mm depth).
- Check that your PSU has the required 8+4 pin CPU and 8-pin PCIe connectors.
- Ensure your RAM is DDR5 and compatible with 4800-8200 MHz speeds.
Frequently Asked Questions
Q: Does this motherboard support Windows 11?
A: Yes, it is fully compatible with Windows 11 x64.
Q: How many M.2 SSDs can I install?
A: Three M.2 slots are available, supporting PCIe 5.0 and 4.0 drives.
Q: Is there onboard Wi-Fi?
A: Yes, it includes Wi-Fi 7 and Bluetooth 5.4.
Q: Can I overclock with this board?
A: Yes, it supports overclocking with dedicated OC Engine and robust VRM design.
Q: What audio chipset is included?
A: Realtek ALC897 provides 7.1 channel HD audio output.
The Consultant’s Verdict & Warranty
The MSI MAG B850 GAMING PLUS MAX WIFI is an excellent choice for gamers and PC builders wanting a durable, high-performance ATX motherboard with cutting-edge connectivity. Its combination of PCIe 5.0, Wi-Fi 7, and extensive cooling makes it ready for today’s most demanding games and future upgrades. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 3 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Total number of SATA connectors | 4 |
| Supported storage drive interfaces | M.2, Micro SATA III |
| USB 2.0 connectors | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 4 |
| Number of SATA III connectors | 4 |
| CPU fan connector | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 6 |
| Number of water pump connectors | 1 |
| Number of RGB LED pin headers | 3 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| On-board graphics card | No |
| Motherboard form factor | ATX |
| Component for | PC |
| Total number of SATA connectors | 4 |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 10 |
| Supported processor sockets | Socket AM5 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 4800,5600,8200,6400 MHz |
| Maximum internal memory | 256 GB |
| Supported memory clock speed (max) | 8200 MHz |
| ECC сompatibility | Non-ECC |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, Micro SATA III |
| RAID levels | 0, 1, 10 |
| Number of storage drives supported | 7 |
| RAID support | Yes |
| Graphics | |
| On-board graphics card | No |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| 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 |
| DisplayPort version | 1.2 |
| USB 2.0 ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| DisplayPorts quantity | 1 |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| 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) |
| Ethernet interface type | 5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Features | |
| Windows operating systems supported | Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| Product colour | White |
| Expansion slots | |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 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 |
| Software | |
| Windows operating systems supported | Windows 11 x64 |
| Weight & dimensions | |
| Width | 243.8 mm |
| Depth | 304.8 mm |
| Identifiers | |
| Distributor SKUs | 128017, 911-7E56-030, MAG B850 GAMING PLUS MAX WIFI, CL4711377410465 |

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