The ASRock B850 Pro-A WiFi features the AMD B850 chipset with an AM5 socket, supporting AMD Ryzen 7000, 8000 and 9000 series processors and up to 256 GB of dual channel DDR5 memory across 4 slots with EXPO and XMP support. It includes one PCIe 5.0 x16 and one PCIe 4.0 x16 slot for graphics and expansion, plus four M.2 sockets and four SATA ports for fast storage options. Networking comprises 2.5 Gigabit LAN, Wi-Fi 6E and Bluetooth 5.2, and video outputs include HDMI 2.1 and USB-C with DisplayPort support for integrated graphics.
Warning: This product contains a button battery
- If swallowed, a lithium battery can cause severe or fatal injuries with 2 hours.
- Keep batteries out of reach of children.
- If you think batteries may have been swallowed or placed inside any of the body, seek immediate medical attention.
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Features
B850 Pro-A WiFi
Pro-A series is designed for enhanced stability, durability, and efficiency, it offers reliable performance, user-friendly features and a streamlined aesthetic, making it ideal for daily computing needs.
Optimised for stability, durability, and efficiency. It combines reliable performance, user-friendly features and streamlined style for daily computing tasks.
- Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
- 14+2+1 Phase Power Design, 80A Dr.MOS for VCore+SOC+MISC
- 4 x DDR5 DIMMs
- Supports Dual Channel, up to 8000+ (OC)
- 1 PCIe 5.0 x16, 1 PCIe 4.0 x16
- Graphics Output Options: 1 HDMI, 1 USB Type-C (DP-alt)
- Realtek ALC897 7.1 CH HD Audio Codec
- 1 Blazing M.2 (PCIe Gen5x4), 2 Hyper M.2 (PCIe Gen4x4), 1 Ultra M.2 (PCIe Gen3x4), 4 SATA3
- 1 USB 3.2 Gen2x2 Type-C (Front), 1 USB 3.2 Gen2 Type-C (Rear), 1 USB 3.2 Gen1 Type-C (Rear), 6 USB 3.2 Gen1 (4 Rear, 2 Front), 9 USB 2.0 (6 Rear, 3 Front)
- Realtek 2.5G LAN
- 802.11axe WiFi 6E +Bluetooth
- Supports BIOS Flashback
Overview
- 802.11axe Wi-Fi 6E
- BIOS Flashback Button
- HDMI Port
- USB 3.2 Gen1 Type-C (DP-alt Mode)
- 2.5Gbps LAN
- 2 x Addressable LED Headers
- Front USB 3.2 Gen2x2 Type-C
- 1 x Addressable LED Header
- 1 x RGB LED Header
- Enlarged VRM Heatsinks
- 1 x Chassis Fan Connector
Smart Fan Speed Control
- Aluminium M.2 Heatsink
- 2 x CPU Fan Connectors
Smart Fan Speed Control
- 1 x AIO Pump Connector
Smart Fan Speed Control
- Enlarged Chipset Heatsink
- 3 x Chassis Fan Connectors
Smart Fan Speed Control
- Hi-Density Power Connector
2 x 8 pin 12V Power Connectors
- Supports AMD AMS Socket Ryzen™ Series Processors
- 1 x Blazing M.2 Socket (PCIe Gen5 x4)
- PCIe Gen5 x16 Slot
SMT Technology
Reinforced Steel Slot
- Premium Audio
Realtek ALC897 7.1 CH HD Audio Codec
- Premium PCB
8-Layer PCB
- 14 + 2 + 1 VRM Design
80A Dr.MOS for VCore+SOC-MISC
- 4 x DIMMs DDRS
Dual Channel
- 4 x SATA3 6Gbps
2 x Hyper M.2 Sockets (PCIe Gen4 x4)
- 1 x Ultra M.2 Socket (PCIe Gen3 x4)
Performance
Optimised VRM Design
VRM Design
14+2+1 Power Phase Design
Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.
- 14 VCORE Phase - 80A Dr.MOS
- 2 SOC Phase - 80A Dr.MOS
- 1 VDD MISC Phase
Dr. MOS
Dr.MOS is the integrated power stage solution which is optimised for synchronous buck-set down voltage applications! Compared to traditional discrete MOSFETs, it intelligently delivers higher current for each phase, thus providing improved thermal result and superior performance.
Power Connector
Hi-Density Power Connector
CPU overclocking requires higher current. ASRock Hi-Density Power Connectors are designed to withstand higher currents compared to traditional CPU and ATX power connectors, providing a more stable system and reducing the risk of fire during heavy overclocking.
- 8+8 Pin HI-Density Power Connector
8 Layer PCB
The 8 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus, it's able to support the latest memory modules with most extreme memory performance!
DDR5 XMP & EXPO Support
Derived from the “built for stable and reliable” designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all.
* There are certain risks involved with memory overclocking and may affect your system’s stability. Please realise that overclocking should be done at your own risk and expense. EXPO/XMP profile support may vary by different system configuration, memory modules and motherboard models. Please refer to Memory QVL for the completed support list.
High Speed M.2 Solution
PCIe Gen5 Blazing M.2
The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation, with a breathtaking 128Gb/s transfer speed, it is ready to unleash the full potential of future ultrafast SSDs.
Hyper M.2 Gen4 x4
Supports PCI Express 4.0 M.2 SSDs, it is capable of perform twice the speed compared to previous 3rd generation, giving a lightning fast data transferring experience.
Cooling
Intelligent Cooling Design
Aluminium Heatsink
The first thing that catches the eye is the optimised Aluminium Heatsink Design. Heatsinks are crucial for efficient heat dissipation, especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance, hence ensure system stability and durability effortlessly.
PWM/DC Fan Support
ASRock fan headers automatically detect whether fans are running in DC or PWM mode, allowing users to fine-tune the fan curve and achieve quieter operation.
1. CPU Fan Connector
2. AIO Pump Fan Connector
3. Chassis Fan Connector
Fan-Tastic Tuning
ASRock Fan-Tastic Tuning function enables users to auto-detect the minimum duty of each fan with a single click. Users can also easily adjust the fan curve via the visualised UI interface, meeting their system's cooling performance and noise reduction requirements.
Connectivity
Wi-Fi 6E 802.11axe
WiFi 6E technology has extended to the whole new 6GHz spectrum band, providing more WiFi capability and giving an even better and faster internet traffic. In addition to deliver higher speeds, the WiFi 6E also enhances the lower latency and supports service levels that are equivalent to 5G networks.
Dragon 2.5 Gb/s LAN
The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.
Abundant USB
Front Panel USB 3.2 Gen2x2 Type-C Header
The latest USB 3.2 Gen2x2 Type-C delivers up to 20 Gbps data transfer rate which is 2x as fast as previous generation, providing a blazing fast data transfer interface with reversible USB Type-C design that fits the connector either way.
- Mobile phone
- Pad
- NB
- Camera
- Portable Storage Devices
- Power Bank
USB Type-C (DP-alt Mode)
USB Alternate Mode allows USB Type-C ports to provide power, transfer data, and output display signals to DisplayPort monitors through a single cable.
Stylish Design
Polychrome RGB
This motherboard features onboard RGB headers and addressable RGB headers that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronise RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.
*The addressable RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 2 metres.
*The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 metres.
SignalRGB
SignalRGB unifies your RGB devices, offering seamless customisation, game-reactive effects, macro automation, and system monitoring. The official partnership empowers ASRock motherboards with advanced lighting control, enhances compatibility with a diverse range of RGB devices, and provides greater customisation flexibility.
DIY Friendly
Reinforced Steel Slot [PCIe 5.0 Version]
The reinforced steel slot is capable of supporting PCI Express 5.0 standard. The various benefits include:
- Extra anchor points
- Stronger latch
- Ensure signal stability
- Make sure heavy graphics cards to be well-installed.
EZ Setting
Auto Driver Installer
No need to worry about lack of disk drive! ASRock preinstall LAN driver to ensure that you are able to install all drivers needed in an easier way than using SCD.
- Step1 : Install Auto Driver Installer
- Step2 : Update drivers needed
- Step3 : Done!
BIOS Flashback
Get the most convenient BIOS flashing with just a simple click. Users can easily achieve the latest BIOS support with a USB and a power supply. No CPU, RAM or other components are required.
Backed by a 3 year ASRock warranty.
