ASUS PRIME B850-PLUS WIFI AM5 ATX Motherboard

Description

Overview

The ASUS PRIME B850-PLUS WIFI is a full‑size ATX motherboard for AMD Socket AM5 supporting Ryzen™ 9000, 8000 and 7000 series processors. It combines an 8+2+1 phase digital power design, six‑layer PCB and multiple thermal solutions to deliver stable day‑to‑day performance and support for higher‑speed memory. ([asus.com](https://www.asus.com/us/motherboards-components/motherboards/prime/prime-b850-plus-wifi/))

Key features

• Socket AM5 — compatible with AMD Ryzen 7000/8000/9000 series CPUs (refer to ASUS CPU support list for exact models).
• DDR5 memory: 4 DIMM slots, up to 256GB, supports EXPO and ECC/Non‑ECC unbuffered DIMMs.
• PCIe and storage: PCIe 5.0 x16 SafeSlot, three M.2 slots (one PCIe 5.0 x4, two PCIe 4.0) and four SATA 6Gb/s ports.
• Networking & audio: Built‑in Wi‑Fi 6E (2×2), Bluetooth v5.3 and Realtek 2.5Gb Ethernet; Realtek 7.1 HD audio with premium capacitors.
• USB & expandability: Multiple rear USB 10Gbps ports including Type‑C and internal USB headers; Thunderbolt/USB4 header supported.
• DIY convenience: Pre‑mounted I/O shield, BIOS FlashBack™, Q‑Antenna and Aura Sync RGB headers.

These features make the board suitable for mainstream to enthusiast builders who need modern I/O, multiple NVMe slots and strong memory support without moving to an X‑series chipset. ([dlcdnets.asus.com](https://dlcdnets.asus.com/pub/ASUS/mb/SocketAM5/PRIME_B850-PLUS_WIFI/E25717_PRIME_B850-PLUS_WIFI_EM_WEB.pdf?model=PRIME+B850-PLUS+WIFI-CSM))

Who it’s for

Choose the PRIME B850‑PLUS WIFI if you want an AM5 platform with DDR5 memory support, PCIe 5.0 capability for next‑generation GPUs or storage, integrated Wi‑Fi 6E and 2.5Gb wired networking, and easy BIOS updates via BIOS FlashBack™. For specific CPU or memory kit compatibility always consult ASUS’s support lists before purchase. ([asus.com](https://www.asus.com/us/motherboards-components/motherboards/prime/prime-b850-plus-wifi/))