




MSI B840 GAMING PLUS WIFI, Motherboard
• Model: MSI B840 GAMING PLUS WIFI, Motherboard
• Form Factor: ATX
• Chipset: AMD B840
• Socket: AM5
• CPU Support: AMD Ryzen 7000 / 8000 / 9000 Series
• Memory:
– 4 × DDR5 DIMM slots
– Up to 256 GB capacity
– Speeds up to 8000 MHz (OC)
• Expansion Slots:
– 1 × PCIe 5.0 x16
– 2 × PCIe 4.0 x1
– 1 × PCIe 4.0 x4
• Storage:
– 2 × M.2 slots (PCIe 5.0/4.0 NVMe SSD support)
– 4 × SATA III 6 Gb/s ports
• USB Ports:
– Rear I/O: 1 × USB 3.2 Gen2x2 Type‑C, 2 × USB 3.2 Gen2 Type‑A, 4 × USB 2.0
– Internal headers for front panel USB
• Networking:
– Realtek 2.5GbE LAN
– Integrated WiFi 7 + Bluetooth 5.3
• Audio: Realtek ALC897, 8‑channel HD Audio
• Cooling / Fan Headers: 6 (PWM/DC)
• BIOS: MSI Click BIOS 5 with EZ Debug LED
• Features:
– Core Boost Technology for stable CPU power delivery
– DDR5 Boost for optimized memory performance
– Extended heatsinks for VRM cooling
– Steel Armor PCIe slot reinforcement
– Dual BIOS modes (Performance/Silent)
