MSI B840 Gaming Plus WIFI ATX Motherboard
The MSI B840 GAMING PLUS WIFI ATX Motherboard is an AM5 gaming motherboard designed for AMD Ryzen 9000, 8000 and 7000 Series processors. It features high-speed DDR5 memory, PCIe 4.0 graphics, dual PCIe 4.0 M.2 storage, Wi-Fi 7 and 2.5GbE LAN. With a 7+2+1 phase power design, advanced cooling and EZ DIY features, it is an excellent choice for modern gaming and high-performance PC builds.
MSI B840 Gaming Plus WIFI ATX Motherboard
Features
- AMD B840 Chipset: Supports AMD Ryzen™ 9000, 8000 and 7000 Series desktop processors with the AM5 socket.
- 7+2+1 Phase Direct Power Design: Features P-PAK power stages, an 8-pin CPU power connector and MSI Core Boost technology for stable processor power delivery.
- High-Speed DDR5 Memory: Supports up to 256GB DDR5 and speeds up to 8000+ MT/s (OC) with AMD EXPO and dual-channel memory support.
- PCIe 4.0 x16 Graphics: The primary PCIe slot supports up to PCIe 4.0 x16 with Ryzen 9000/7000 Series processors.
- Dual PCIe 4.0 M.2: Two M.2 slots provide PCIe 4.0 x4 connectivity for fast NVMe SSD storage.
- Wi-Fi 7: Integrated Wi-Fi 7 supports 2.4GHz, 5GHz and 6GHz bands, 320MHz channels and speeds up to 5.8Gbps.
- 2.5G LAN: Realtek 8125BG 2.5Gb Ethernet delivers fast and reliable wired networking.
- Advanced Cooling: Extended heatsinks, 7W/mK MOSFET thermal pads and M.2 Shield Frozr II help maintain stable temperatures.
- EZ DIY Features: Includes EZ M.2 Shield Frozr II, EZ M.2 Clip II, EZ PCIe Clip II, EZ Antenna, Flash BIOS Button and Clear CMOS for easier PC building and maintenance.
Specifications
| Brand | MSI |
| Model | B840 GAMING PLUS WIFI |
| Form Factor | ATX |
| Dimensions | 243.84 × 304.8 mm |
| Chipset | AMD B840 |
| CPU Socket | AM5 |
| CPU Support | AMD Ryzen™ 9000 / 8000 / 7000 Series |
| Memory Type | DDR5 UDIMM |
| Memory Slots | 4 × DDR5 DIMM |
| Maximum Memory | 256GB |
| Memory Speed | DDR5-8000+ MT/s (OC) |
| Memory Support | AMD EXPO, Dual Channel, Non-ECC Unbuffered, CUDIMM |
| Primary PCIe Slot | PCIe 4.0 x16 |
| Additional PCIe Slots | PCIe 3.0 x4 / x1 |
| M.2 Slots | 2 × M.2 |
| M.2 Interface | PCIe 4.0 x4 |
| SATA Ports | 4 × SATA 6Gb/s |
| LAN | Realtek 8125BG 2.5GbE |
| Wireless | Wi-Fi 7 |
| Wi-Fi Bands | 2.4GHz / 5GHz / 6GHz |
| Wi-Fi Speed | Up to 5.8Gbps |
| Bluetooth | Bluetooth 5.4 |
| Audio Codec | Realtek ALC897 |
| Audio | 7.1-Channel High Definition Audio |
| HDMI | HDMI 2.1, up to 4K 60Hz |
| Rear USB | USB 2.0, USB 5Gbps Type-A, USB 10Gbps Type-A & Type-C |
| Front USB | USB 2.0, USB 5Gbps Type-A & Type-C |
| Power Design | 7+2+1 Phase Direct Power |
| PCB | 6-Layer PCB, 2oz Thickened Copper |
| Cooling | Extended Heatsink, 7W/mK Thermal Pads, M.2 Shield Frozr II |
| BIOS Features | Flash BIOS Button, Clear CMOS |
| Operating System | Windows 11 64-bit |







