ASRock B850M Pro-A WiFi DDR5 PCIe 5.0 microATX Motherboard
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ASRock B850M Pro-A WiFi DDR5 PCIe 5.0 microATX Motherboard
Scan code: LN154826 Manufacturer code: 90-MXBR9-A0UAYZ
£146.99Item due on 26 January 2025
Due 26th Jan
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ASRock B850M Pro-A WiFi DDR5 PCIe 5.0 microATX Motherboard

ASRock B850M Pro-A WiFi, AMD B850, AM5, DDR5, PCIe 5.0, 3x M.2, 2.5G LAN, WiFi 6E, USB 3.2 Gen2, AMD EXPO, mATX

Scan code: LN154826 Manufacturer code: 90-MXBR9-A0UAYZ
£146.99
£5.48 NEXT DAY DELIVERY
Item due on 26 January 2025
Due 26th Jan

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Product Overview

ASRock B850M Pro-A WiFi DDR5 AM5 microATX Motherboard

The ASRock B850M PRO-A WIFI micro-ATX motherboard delivers a mix of performance and precision in a form factor designed to fit snugly into compact builds. Supporting AM5 7000, 8000, and 9000 series processors, this motherboard is equipped with the right features to power everything from gaming setups to professional workstations. With an emphasis on stable power, speed, and reliable connectivity, the B850M PRO-A WIFI ensures that your system can handle demanding tasks without faltering.


Stable Power Delivery

The board’s 8+2+1 phase power delivery system, with Smart Power Stages (SPS) & Dr. MOS, ensures steady power distribution. This setup contributes to smoother performance across tasks, preventing any sudden hiccups or performance drops, particularly in resource-heavy applications.


Memory Ready for Speed

The B850M PRO-A WIFI features a 6-layer PCB that supports DDR5 memory with XMP and EXPO overclocking profiles, offering speeds exceeding 8000 MHz. This design not only handles high-speed memory but also maintains consistent performance, making it suited for both gaming and productivity environments that demand quick and reliable memory access.


Versatile PCIe Expansion

Equipped with a Gen5 x16 GPU slot reinforced with steel, the B850M PRO-A WIFI handles the latest graphics cards without issue. There’s also a Gen5 Blazing M.2 slot, a Gen4 Hyper M.2 slot, and a Gen4 x4 PCIe slot, giving users a wide array of options for adding storage devices and other components. These slots are designed to offer high throughput and flexibility for various setups.


Efficient Cooling Setup

Cooling remains a critical part of the B850M PRO-A WIFI’s design. It includes heatsinks for essential components, support for PWM and DC fans, and a thermistor header. The BIOS’s Fan-Tastic Tuning interface gives users control over fan speeds and system temperatures, allowing adjustments to maintain a stable environment for heavy workloads.


Modern Networking

With WiFi 6E and Bluetooth 5.3, the B850M PRO-A WIFI offers fast and reliable wireless connectivity. Coupled with the 2.5GbE LAN port, the board ensures smooth data transfer, quick online access, and stable connections, whether you're gaming, working remotely, or streaming content.


High-Quality Audio

The motherboard includes Nahimic Audio and Realtek 7.1 surround sound, delivering immersive audio quality for various uses. Whether gaming or consuming media, the B850M PRO-A WIFI ensures clear, detailed sound to enhance the experience.


Customisation and Control

With Polychrome RGB and SignalRGB, users can add their personal touch by adjusting the lighting to fit the theme of their build. The EZ BIOS interface simplifies setup and offers advanced options for users who wish to fine-tune their system settings.


Comprehensive Connectivity

The B850M PRO-A WIFI offers a broad array of connectivity options. It includes two antenna ports for wireless communication, HDMI, DisplayPort 1.4 for video output, and a range of USB ports, including one USB 3.2 Gen2 Type-A port, one USB 3.2 Gen2 Type-C port, two USB 3.2 Gen1 ports, and four USB 2.0 ports. There is also a dedicated RJ-45 LAN port, a BIOS Flashback button, and HD audio jacks for Line In, Front Speaker, and Microphone. This extensive connectivity ensures compatibility with various peripherals and devices, providing everything needed to set up a fully functional system.


Features

Power Delivery: 8+2+1 Phases with SPS & Dr. MOS for stable energy flow.
Memory: 6-layer PCB, DDR5 XMP/EXPO support, 8000+ MHz overclocking.
PCIe 5.0: Gen5 x16 GPU slot (Reinforced Steel), Gen4 x4 PCIe Slot, 1x Gen5 Blazing M.2, 1x Gen4 Hyper M.2.
Cooling: Heatsinks, PWM/DC support, Fan-Tastic Tuning BIOS.
Networking: WiFi 6E, Bluetooth 5.3, 2.5GbE LAN port.
Audio: Nahimic Audio, Realtek 7.1.
Lighting: Polychrome RGB, SignalRGB for custom effects.
BIOS: EZ BIOS interface for straightforward configuration.
Connectivity: 2x Antenna Ports, HDMI, DisplayPort 1.4, 1x USB 3.2 Gen2 Type-A, 1x USB 3.2 Gen2 Type-C, 2x USB 3.2 Gen1, 4x USB 2.0, RJ-45 LAN, BIOS Flashback button, HD Audio Jacks.

Specifications
Core Specifications
Edition B850M Pro-A WiFi
Form Factor MicroATX
CPU Socket AM5
Chipset AMD B850
RAM Memory Support
Memory Type DDR5
Memory Channel Dual (2)
Memory Type (ECC) ECC/Non-ECC
Memory Type (R/U) UDIMM (Unbuffered)
Memory Speed (Mhz) DDR5 - 8000(OC)
Max. Memory Capacity 256GB
Audio
Audio 7.1 Channel HD Audio
Graphics Support
Primary GPU Interface PCIe 5.0 (x16)
NVIDIA SLI Support N/A
AMD CrossFire Support N/A
Integrated Graphics Discrete GPU Required for Graphics Output
On-Board Graphics Connectors
  • DisplayPort 1.4 (DSC)
  • HDMI 2.1
Internal Connectivity
Expansion Slots
  • 1 x M.2 Key E
  • 1 x M.2 Key E (Supports Wi-Fi modules)
  • 2 x M.2, 22-80, PCIe Gen4x4
  • 1 x M.2, 22-80, PCIe Gen5x4
  • 1 x PCIe 4.0 x4
  • 1 x PCIe 5.0 x16
  • 4 x SATA 6GB/s
SATA Support SATA3
RAID Support via SATA3 / M.2
Storage Mode Support
  • RAID 0
  • RAID 1
  • RAID 10
Internal I/O
  • 1 x 24-pin (Power)
  • 1 x 4-pin (Power)
  • 3 x 4-pin CHA_FAN connector
  • 1 x 4-pin Water Pump Connector
  • 1 x 8-pin (Power)
  • 3 x Addressable Digital RGB Header
  • 2 x CPU Fan Connector
  • 1 x Front Panel Audio Header
  • 1 x Power LED / Speaker Header
  • 1 x RGB Header
  • 1 x TPM (SPI_TPM) header
  • 2 x USB 2.0 Header
  • 1 x USB 3.2 Gen1 Header
  • 1 x USB 3.2 Gen1 Type-C Front Panel Header
External Connectivity
Network Interface Type
  • 802.11ax Wi-Fi 6E LAN
  • Wired 2.5 Gigabit LAN
Network Chip/Modules
  • 1 x 802.11ax WiFi 6E + BT5.2
  • 1 x Realtek RTL8125BG
Rear I/O Connectors
  • 1 x BIOS Flashback Button
  • 1 x DisplayPort 1.4
  • 1 x Front Speaker Out
  • 1 x HDMI 2.1
  • 1 x Line In
  • 1 x Mic-In
  • 1 x RJ-45
  • 4 x USB 2.0
  • 1 x USB 3.1 Gen2 Type-A
  • 2 x USB 3.2 Gen1 Type-A
  • 1 x USB 3.2 Gen2 Type-C
  • 2 x WiFi Antenna connectors
Additional Specifications
Water Cooled No
Cooling Passive Heatsinks
QPI Speed N/A
Board Dimensions 244 x 244 mm
Note  
Additional Information
Scan Code LN154826
Model Number 90-MXBR9-A0UAYZ
GTIN 4711581490376
Warranty

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Details
Duration:
24 months
Type:
Return to base
DOA Period:
28 days
RTB Period:
24 months
Manufacturer Contact Details
Manufacturer:
Scan
Telephone:
0871 472 4747
Buying Guide
Need help choosing the right board? Read our AMD Motherboard Buying Guide
ASRock B850M Pro-A WiFi DDR5 PCIe 5.0 microATX Motherboard
ASRock B850M Pro-A WiFi DDR5 PCIe 5.0 microATX Motherboard