MSI PRO B850‑S WIFI6E ATX Board

Build a powerful and reliable AM5 system with the MSI PRO B850‑S WIFI6E, a feature‑rich ATX motherboard engineered for productivity, stability, and long‑term durability. Featuring the new AMD B850 chipset, it supports Ryzen 7000 / 8000 / 9000 Series processors and delivers high‑speed DDR5 performance up to 7600+ MT/s (O.C.). With PCIe 4.0 x16 GPU support, dual PCIe 4.0 M.2 slots, Wi‑Fi 6E, 2.5GbE LAN, and triple display outputs, this board provides a strong, future‑ready platform for modern gaming, workstation, and business builds. MSI EZ‑DIY features such as M.2 Shield Frozr, Flash BIOS Button, and PCIe Steel Armor ensure easy installation and long‑term reliability.

Specifications

Type: ATX Motherboard
Brand: MSI
Model: PRO B850‑S WIFI6E
Chipset: AMD B850
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 7600+ (O.C.)
Max Memory: 192GB
PCIe Slots: 1 × PCIe 4.0 x16 (GPU slot, Steel Armor Reinforced) 1 × PCIe 4.0 x1
Storage: 2 × M.2 Slots: • 1 × PCIe 4.0 x4 (CPU) – NVMe SSD • 1 × PCIe 4.0 x4 (Chipset) – NVMe SSD, 4 × SATA 6Gb/s
RAID Support: RAID 0/1/10 (SATA)
LAN: Realtek 2.5Gb Ethernet
Wireless: Wi‑Fi 6E
Bluetooth: 5.3
Audio: Realtek High Definition Audio
Channels: 7.1‑Channel HD Audio
Video Outputs: (Requires Ryzen CPU with integrated Radeon Graphics) 2 × DisplayPort 1 × HDMIUSB Connectivity

Rear I/O

• USB‑C (USB 3.2 Gen 2) • USB‑A (USB 3.2 Gen 2) • USB‑A (USB 3.2 Gen 1) • USB‑A (USB 2.0) • 2 × DisplayPort • HDMI • 2.5Gb LAN • Wi‑Fi antenna connectors • Audio jacks

Internal Headers

• USB 3.2 Gen 1 Type‑C (front panel) • USB 3.2 Gen 1 header • USB 2.0 headers • RGB/ARGB headers • Front panel connectors • TPM header • Multiple fan headers + AIO pump header

Power Connectors

24‑pin ATX 8‑pin + 4‑pin CPU power

Form Factor: ATX (305 × 244 mm)

Most Suitable For

• Mid‑range to high‑end AM5 gaming PCs • Ryzen 7000 / 8000 / 9000 Series builds • Productivity and workstation systems • Wi‑Fi 6E + 2.5Gb LAN connectivity • Dual M.2 NVMe storage setups