Asrock B850 Pro-A WiFi AM5 ATX Motherboard
£127.07 inc VAT
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About This Item
- AMD B850 chipset ATX motherboard for AMD Ryzen 7000/8000/9000 Series
- Supports DDR5 memory up to 256 GB with dual-channel architecture
- Four M.2 slots with PCIe 4.0/5.0 support for ultra-fast storage
- Built-in Wi-Fi 6E and 2.5Gb Ethernet for high-speed connectivity
- 7.1 channel audio with Realtek ALC897 codec for immersive sound
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ASRock B850 Pro-A WiFi | AMD B850 ATX Motherboard for AM5
The ASRock B850 Pro-A WiFi AMD B850 Socket AM5 ATX is a feature-rich motherboard designed for AMD Ryzen 5000, 8000, and 9000 series processors. Built on the AMD B850 chipset, it delivers robust performance, extensive connectivity, and comprehensive cooling solutions for both gaming and productivity builds.
Key Specifications
| Metric | Spec |
|---|---|
| Processor Socket | AM5 |
| Memory Support | DDR5, up to 256 GB |
| PCIe Slots | 1 x PCIe 5.0, 1 x PCIe 4.0 |
| M.2 Slots | 4 x M.2 (Gen 4/5) |
| Wi-Fi Standard | Wi-Fi 6E (802.11ax) |
| LAN Speed | 2.5 Gb/s |
| Form Factor | ATX |
Optimized VRM Design for Stable Performance
The B850 Pro-A WiFi features a 14+2+1 power phase design with Dr. MOS technology, delivering smooth and reliable power to your CPU. This optimized VRM setup ensures stable performance during demanding workloads and supports advanced overclocking with lower temperatures, making it ideal for enthusiasts pushing their systems to the limit.
High-Speed Storage and Memory Capabilities
With four M.2 slots supporting both PCIe 4.0 and PCIe 5.0, this motherboard accommodates the latest ultra-fast NVMe SSDs. The PCIe 5.0 M.2 slot offers up to 128 Gb/s transfer speeds, while DDR5 memory support with XMP/EXPO profiles enables significant performance boosts. The board also includes eight SATA III ports for additional storage flexibility.
Advanced Cooling and Thermal Management
An aluminum heatsink design effectively dissipates heat during intensive tasks, while the 8-layer PCB improves signal stability and energy efficiency. The motherboard supports multiple fan and water pump headers with intelligent PWM/DC detection, allowing precise control over cooling performance and noise levels through the Fan-Tastic Tuning feature.
Comprehensive Connectivity Options
Built-in Wi-Fi 6E provides access to the 6GHz band for faster, lower-latency wireless connections comparable to 5G networks. The Dragon 2.5 Gb/s LAN controller ensures rapid wired connections for gaming and content creation. Front panel USB 3.2 Gen 2×2 Type-C delivers up to 20 Gbps data transfer, while multiple USB ports cater to all peripheral needs.
Box Contents
- ASRock B850 Pro-A WiFi motherboard
- SATA cables (quantity not specified)
- Wi-Fi antennas (quantity not specified)
- I/O shield
- User manual and driver CD
Check before you buy
- Confirm your AMD Ryzen processor is compatible with AM5 socket
- Verify your case supports ATX form factor (305 x 244 mm)
- Check if your power supply has the required 8-pin EPS connectors
- Ensure your cooling solution fits with the aluminum heatsink design
Frequently Asked Questions
Q: Does this motherboard support DDR4 memory?
A: No, the B850 Pro-A WiFi only supports DDR5-SDRAM memory modules.
Q: Can I use this motherboard without installing a dedicated GPU?
A: Yes, it has HDMI 2.1 output for integrated graphics on compatible AMD processors.
Q: How many PCIe devices can I install simultaneously?
A: You can install one PCIe 5.0 device and one PCIe 4.0 device, plus up to four M.2 SSDs.
Q: Is the Wi-Fi 6E antenna removable?
A: The motherboard includes Wi-Fi antennas, but removal capability is not specified in the provided details.
The Consultant’s verdict & warranty
The ASRock B850 Pro-A WiFi AMD B850 Socket AM5 ATX offers excellent value for users building AMD AM5 systems who need robust power delivery, advanced connectivity, and comprehensive cooling. Its support for PCIe 5.0 storage, Wi-Fi 6E, and DDR5 memory makes it future-proof for demanding applications. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 4 |
| 12V power connector | Yes |
| Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| TPM connector | Yes |
| Number of SATA III connectors | 4 |
| Number of chassis fan connectors | 4 |
| Front panel audio connector | Yes |
| EPS power connector (8-pin) | Yes |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| RGB LED pin header | Yes |
| USB 3.2 Gen 2x2 connectors | 1 |
| Number of CPU fan connectors | 2 |
| Number of EPS power connectors (8-pin) | 2 |
| Number of water pump connectors | 1 |
| Number of RGB LED pin headers | 1 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Parallel processing technology support | Not supported |
| HDMI version | 2.1 |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 10 |
| Supported processor sockets | Socket AM5 |
| Certification | FCC, CE, ErP/EuP |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0, SATA III |
| RAID levels | 0, 1, 10 |
| Number of storage drives supported | 8 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| Maximum resolution | 3840 x 2160 pixels |
| HDCP | Yes |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| USB connector type | USB Type-A, USB Type-C |
| USB 2.0 ports quantity | 6 |
| WiFi-AP antenna jack | 2 |
| Microphone in | Yes |
| Headphone outputs | 3 |
| HDMI version | 2.1 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| Line-in | Yes |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax) |
| LAN controller | Dragon RTL8125BG |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.2 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Features | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Certification | FCC, CE, ErP/EuP |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| Product colour | Black |
| Expansion slots | |
| Number of M.2 (M) slots | 4 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 largest key size | 2280 |
| 3rd M.2 highest PCI Express generation | 4.0 |
| 4th M.2 largest key size | 2280 |
| 4th M.2 highest PCI Express generation | 4.0 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Video | |
| Maximum resolution | 3840 x 2160 pixels |
| HDCP | Yes |
| Certificates | |
| Certification | FCC, CE, ErP/EuP |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Weight & dimensions | |
| Width | 305 mm |
| Depth | 244 mm |
| Packaging content | |
| Cables included | SATA |
| Antenna included | Yes |
| Identifiers | |
| Distributor SKUs | B850PRO-AWIFI, 90-MXBQN-A0UAYZ, 90-MXBQN0-A0UAYZ, 544540, 548798, 559365, STD10229033, MBASR-B850PAW, CLB850PRO-AWIFI |
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