ASRock B850 Pro-A WiFi AM5 ATX DDR5 Motherboard

The ASRock B850 Pro-A WiFi Motherboard is a high-performance ATX motherboard designed for next-generation AMD Ryzen systems. Combining robust 14+2+1 phase power delivery, PCIe 5.0 support, quad M.2 storage and integrated WiFi 6E, it delivers exceptional speed, stability and expandability for gaming and professional workloads.

Built with premium components and modern connectivity, it’s an ideal foundation for future-proof AM5 builds.

Key Features & Benefits

✔ AM5 Socket for Ryzen CPUs
Supports AMD Ryzen 7000, 8000 and 9000 series processors.

✔ 14+2+1 Power Phase Design (80A Dr.MOS)
Delivers stable and efficient power for high-end CPUs and sustained workloads.

✔ DDR5 High-Speed Memory
Supports up to 256GB DDR5 RAM with speeds up to 8000+ MHz (OC).

✔ PCIe 5.0 Ready
Next-gen support for both GPUs and ultra-fast Gen5 NVMe SSDs.

✔ Quad M.2 Storage
1 × Gen5, 2 × Gen4 and 1 × Gen3 M.2 slots for maximum storage flexibility.

✔ WiFi 6E + Bluetooth 5.2
Faster wireless speeds, lower latency and improved connectivity.

✔ 2.5GbE LAN
High-speed wired networking for gaming, streaming and large file transfers.

✔ USB-C with DisplayPort Alt Mode
Single cable for video output and data transfer.

✔ Front USB 3.2 Gen2x2 Type-C (20Gbps)
Ultra-fast front panel connectivity for modern cases.

✔ M.2 Bottom Heatsink
Improved thermal performance for sustained SSD speeds.

✔ BIOS Flashback Button
Update BIOS without CPU or memory installed.

Technical Specifications

General

Product
ASRock B850 Pro-A WiFi

Manufacturer
ASRock

Form Factor
ATX

Chipset
AMD B850

Socket
AM5

CPU Support

Compatible CPUs
AMD Ryzen 7000 / 8000 / 9000 Series

Graphics Support
Integrated AMD RDNA graphics (CPU dependent)

Memory

Memory Slots
4 × DDR5 DIMM

Maximum Capacity
256GB

Memory Speeds
Up to 8000+ MHz (OC)

Memory Type
DDR5 Dual Channel

Profiles Supported
XMP & AMD EXPO

Expansion Slots

1 × PCIe 5.0 x16
1 × PCIe 4.0 x16 (x4 mode)

Storage

1 × PCIe Gen5 x4 M.2
2 × PCIe Gen4 x4 M.2
1 × PCIe Gen3 x4 M.2
4 × SATA III

RAID Support
RAID 0 / 1 / 10 (NVMe)
RAID 0 / 1 (SATA)

Graphics Output

1 × HDMI 2.1 (4K @ 120Hz)
1 × USB-C (DisplayPort Alt Mode, up to 4K @ 60Hz)

Networking

LAN
2.5 Gigabit LAN (RTL8125BG)

Wireless
WiFi 6E (802.11axe) + Bluetooth 5.2

Audio

Codec
Realtek ALC897

Channels
7.1 Channel HD Audio

Audio Software
Nahimic Audio

USB Connectivity

1 × USB 3.2 Gen2x2 Type-C (Front, 20Gbps)
1 × USB 3.2 Gen2 Type-C (Rear)
1 × USB 3.2 Gen1 Type-C (Rear, DP Alt Mode)
8 × USB 3.2 Gen1 Type-A
10 × USB 2.0

Internal Connectors

1 × RGB Header
3 × Addressable RGB Headers
7 × Fan / Pump Headers (incl. AIO Pump)
1 × Front USB-C Gen2x2 Header
2 × USB 2.0 Headers
2 × USB 3.2 Gen1 Headers

Rear I/O Ports

1 × HDMI
2 × USB Type-C
4 × USB 3.2 Gen1 Type-A
6 × USB 2.0
1 × RJ-45 LAN
BIOS Flashback Button
HD Audio Jacks

Dimensions

305 × 244 mm (ATX)

Why Choose the ASRock B850 Pro-A WiFi

The B850 Pro-A WiFi is designed for users who want strong power delivery, maximum storage expansion and built-in wireless connectivity. With four M.2 slots, PCIe 5.0 support, WiFi 6E and high-speed USB-C, it provides everything needed for a high-performance, future-ready PC build.

Ideal for gaming systems, content creators and professional users, this board offers a powerful balance of performance, connectivity and long-term upgrade potential.