MSI PRO B850-S WIFI6E AM5 ATX Motherboard

Description

Overview

The MSI PRO B850-S WIFI6E is an AM5 ATX motherboard from MSI’s PRO series, designed for users who need reliable platform features for productivity and everyday gaming. It supports AMD Ryzen 9000/8000/7000 desktop processors on the AM5 socket and offers a 12+2+1 power design, multi‑layer PCB construction and one‑click overclocking options to simplify tuning.

Key specifications

• Memory: 4× DDR5 UDIMM slots, up to 256GB; supported speeds 4800–5600 (JEDEC) and 5600–8200+ MT/s (OC) with EXPO support.
• Storage: 2× M.2 slots (M.2_1 from CPU up to PCIe 5.0 x4; M.2_2 up to PCIe 4.0 x4) and 4× SATA 6Gb/s.
• Expansion: 2× PCIe x16 (primary slot PCIe 4.0 x16 from CPU), 1× PCIe x1.
• Networking & wireless: Realtek 2.5G LAN and onboard Wi‑Fi 6E module (pre‑installed M.2 Key‑E) with Bluetooth 5.3.
• Rear I/O highlights: multiple USB 10Gbps/5Gbps ports, USB-C 10Gbps, DisplayPort 1.4 and HDMI 2.1 (requires a CPU with integrated graphics).
• Audio: Realtek ALC897 7.1‑channel HD audio.
• Form factor & dimensions: ATX, 243.84 mm × 304.8 mm. Box contents include manual, SATA cables and Wi‑Fi antenna where applicable.

Refer to MSI’s support pages and the motherboard manual for memory QVL, BIOS updates and platform notes: supported memory speeds and some features depend on CPU series and BIOS version.