
Overview On The MSI B840 GAMING PLUS WIFI Motherboard
The MSI B840 GAMING PLUS WIFI is a feature-rich ATX motherboard designed for AMD Ryzen™ desktop processors on the AM5 socket. It supports modern DDR5 memory with high overclocking potential, PCIe 4.0 connectivity for fast graphics and storage, and advanced networking including full-speed Wi-Fi 7 and 2.5G LAN for smooth online gaming and streaming. With a robust power design and extensive DIY tools, it delivers reliable performance and ease of assembly for gaming rigs, productivity builds, and everyday use.
Key Features
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AMD AM5 Socket Support – Works with Ryzen™ 7000 / 8000 / 9000 series desktop CPUs.
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DDR5 Memory Support – Dual-channel DDR5 up to 8000+ MT/s (OC) and memory technologies like EXPO/A-XMP.
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Full-Speed Wi-Fi 7 & 2.5G LAN – Cutting-edge wireless and wired networking for low latency and high throughput.
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PCIe 4.0 Connectivity – PCIe 4.0 x16 slot and dual M.2 PCIe 4.0 x4 slots for fast GPUs and storage.
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Robust Power Design – 7+2+1 phase direct CPU power, Core Boost, and thick 6-layer PCB for stable performance.
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DIY-Friendly Tools – Features like EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Clip II, and EZ antenna simplify build assembly.
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High-Quality Audio – Integrated audio solution with boosted sound for immersive gaming and media.
Specifications
| Feature | Details |
|---|---|
| Chipset | AMD B840 |
| CPU Support | AMD Ryzen™ 9000 / 8000 / 7000 Series (AM5) |
| Memory | 4× DDR5 UDIMM, up to 256 GB, DDR5-8000+ MT/s (OC) |
| PCIe Slots | 1× PCIe 4.0 x16 slot; dual PCIe 4.0 x4 M.2 slots |
| Network | 2.5G LAN, Wi-Fi 7 (802.11be) |
| USB | Front USB Type-C, multiple rear USB headers |
| Form Factor | ATX |
| Audio | High-Definition Audio with Boosted Codec |
| BIOS Features | One-Click Overclocking, Dual BIOS, Clear CMOS |

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