MSI B840 GAMING PLUS WIFI AM5 ATX Motherboard – DDR5 256GB, Wi‑Fi 7, PCIe 4.0, 2.5GbE
MSI B840 GAMING PLUS WIFI DDR5 ATX Board
Build a next‑generation AM5 system with the MSI B840 GAMING PLUS WIFI, an ATX motherboard engineered for gaming, creators, and performance‑driven desktop builds. Powered by the AMD B840 chipset, it supports Ryzen 7000 / 8000 / 9000 Series processors and delivers fast DDR5 performance with PCIe expansion, Wi‑Fi 7, 2.5GbE LAN, and dual high‑speed M.2 slots. Designed with MSI’s Core Boost architecture, extended VRM heatsinks, EZ‑Debug LEDs, and Audio Boost, the B840 GAMING PLUS WIFI ensures stable operation, efficient cooling, and long‑term reliability for demanding AM5 systems.
With support for DDR5 up to 256GB, PCIe 4.0 GPU compatibility, 4× SATA ports, and modern rear I/O including USB Type‑C, HDMI, and Wi‑Fi 7 antenna connectors, this board provides a strong foundation for gaming rigs, productivity systems, and workstation‑grade builds. MSI’s BIOS Flash Button, RGB/ARGB headers, and creator‑focused connectivity make installation and tuning simple for system integrators and enthusiasts.
Specifications
Type: ATX Motherboard
Brand: MSI
Model: B840 GAMING PLUS WIFI
Chipset: AMD B840
CPU Socket: AM5
Supported CPUs: Ryzen 7000 / 8000 / 9000 Series (with integrated graphics for display output)
RAM Type: DDR5 (Dual Channel)
RAM Slots: 4 × 288‑pin
RAM Speed Support: Up to DDR5‑8000+ (O.C.)
Max Memory: 256GB
PCIe Slots: 1 × PCIe 4.0 x16 (GPU slot) 1 × PCIe 3.0 x16 3 × PCIe 3.0 x1
M.2 Slots: 2 × M.2 PCIe 4.0 x4 (64Gbps)
LAN: 2.5GbE Ethernet
Wireless: Wi‑Fi 7 (802.11be)
Bluetooth: 5.4
SATA Ports: 4 × SATA 6Gb/s
RAID Support: RAID 0/1/10 (per chipset capability)
Audio Codec: Realtek ALC897
Channels: 7.1‑Channel HD Audio (Audio Boost)
Video Outputs: 1 × HDMI (Requires Ryzen CPU with integrated Radeon Graphics)
USB Connectivity Rear I/O:
2 × USB 10Gbps (1 × Type‑A, 1 × Type‑C)
5 × USB 5Gbps (4 × Type‑A, 1 × Type‑C)
8 × USB 2.0
HDMI
2.5GbE
LAN Wi‑Fi 7
antenna connectors
Audio jacks
Internal Headers:
USB 3.2 Gen2x2 front‑panel Type‑Cheader
USB 3.2 Gen1
headers USB 2.0
headers RGB & ARGB headers
Front panel connectors
TPM header
Multiple fan headers
Flash BIOS Button
Power Connectors: 24‑pin ATX 8‑pin CPU power
Form Factor: ATX (305 × standard width)