ASUS PRIME B850M-A WiFi Motherboard
£124.33 inc VAT
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About This Item
- AMD B850 chipset with Socket AM5 for Ryzen 7000/8000/9000 series
- micro ATX form factor with DDR5 memory support up to 256 GB
- 7.1 channel audio with HDMI and DisplayPort outputs
- Wi-Fi 6E and Bluetooth 5.3 with 2.5 Gigabit Ethernet
- 7 total storage drives with M.2 and SATA III interfaces
- Advanced AI PC-ready with UEFI BIOS and comprehensive connectivity
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ASUS PRIME B850M-A WIFI | Micro ATX AMD B850 Motherboard
The ASUS PRIME B850M-A WIFI AMD B850 Socket AM5 micro ATX motherboard delivers a compact, AI-ready platform for AMD Ryzen 7000, 8000, and 9000 series processors. Built for performance and future-proofing, it combines DDR5 memory support, Wi-Fi 6E, and robust connectivity in a micro ATX form factor.
Key Specs
| Metric | Spec |
|---|---|
| Processor Socket | AM5 |
| Memory Support | DDR5, up to 256 GB |
| Wi-Fi Standard | Wi-Fi 6E (802.11ax) |
| Ethernet | 2.5 Gigabit |
| Storage | M.2, SATA III, RAID 0/1/5/10 |
AI-Ready Performance & Connectivity
Designed for demanding AI workloads, the ASUS PRIME B850M-A WIFI supports AMD Ryzen 9000 series CPUs with DDR5 memory speeds up to 8000 MHz. Its dual-channel architecture and ECC compatibility ensure stable, high-bandwidth performance for complex tasks. The inclusion of Wi-Fi 6E and 2.5 Gigabit Ethernet keeps your system connected at ultra-fast speeds, ideal for streaming, gaming, and AI development.
Compact Micro ATX Build
The micro ATX form factor makes this motherboard ideal for space-conscious builds without sacrificing expandability. With four DIMM slots, four SATA III ports, and multiple M.2 slots, you can configure a powerful storage array or high-speed boot drive setup. Three chassis fan headers and comprehensive cooling support help maintain optimal temperatures in smaller cases.
Future-Proof Expansion & Ports
One PCI Express x16 Gen 4 slot provides ample bandwidth for the latest GPUs, while seven total storage interfaces support both HDD and SSD drives. Front panel audio, TPM header, and S/PDIF out ensure compatibility with a wide range of peripherals. USB 3.2 Gen 1 and Gen 2 ports offer fast data transfer for external devices.
Box contents
- ASUS PRIME B850M-A WIFI motherboard
- I/O shield
- User manual
- Warranty card
- SATA cables (quantity not specified)
- Wi-Fi antennas (2)
Check before you buy
- Confirm your AMD Ryzen processor is compatible with Socket AM5.
- Verify your case supports micro ATX motherboards (244 mm x 244 mm).
- Check if your power supply has the required 24-pin ATX and 8-pin EPS connectors.
- Confirm DDR5 memory is installed (DDR4 is not supported).
Frequently Asked Questions
Q: Does this motherboard support DDR4 memory?
A: No, it only supports DDR5-SDRAM memory modules.
Q: Can I use this board for gaming and AI workloads?
A: Yes, it’s designed for both gaming and advanced AI applications with robust CPU and memory support.
Q: What Wi-Fi standard is included?
A: It features Wi-Fi 6E (802.11ax) with Bluetooth 5.3 for fast wireless connectivity.
Q: How many M.2 drives can I install?
A: The exact number of M.2 slots is not specified; please confirm with the manufacturer.
Q: Is RAID supported?
A: Yes, RAID levels 0, 1, 5, and 10 are supported for both M.2 and SATA drives.
The Consultant’s verdict & warranty
The ASUS PRIME B850M-A WIFI is a versatile micro ATX motherboard for users seeking AI-ready performance in a compact build. With Wi-Fi 6E, 2.5 Gb Ethernet, and support for the latest AMD Ryzen CPUs, it balances power and connectivity. Covered by the standard Manufacturer Warranty.
| Technical details | |
|---|---|
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Parallel processing technology support | Not supported |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 5, 10 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| 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 |
| Supported memory clock speed (max) | 8000 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| RAID levels | 0, 1, 5, 10 |
| Number of storage drives supported | 7 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| Internal I/O | |
| 12V power connector | Yes |
| Supported storage drive interfaces | M.2, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| TPM connector | Yes |
| S/PDIF out connector | Yes |
| Number of SATA III connectors | 4 |
| Number of COM connectors | 1 |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | Yes |
| EPS power connector (8-pin) | Yes |
| CPU fan connector | Yes |
| Chassis intrusion connector | Yes |
| ATX Power connector (24-pin) | Yes |
| Number of CPU fan connectors | 1 |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 2.0 ports quantity | 4 |
| WiFi-AP antenna jack | 2 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DisplayPorts quantity | 2 |
| Line-in | Yes |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet, Fast Ethernet, Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.3 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Features | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Product colour | Multicolour |
| Expansion slots | |
| PCI Express x16 (Gen 4.x) slots | 1 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Packaging data | |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.52 kg |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Weight & dimensions | |
| Height | 50 mm |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.52 kg |
| Weight | 930 g |
| Width | 244 mm |
| Depth | 244 mm |
| Packaging content | |
| Antenna included | Yes |
| Other features | |
| Height | 50 mm |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.52 kg |
| Weight | 930 g |
| Identifiers | |
| Distributor SKUs | MBD-90MB1LN0-M0EAY0, 11808592, 126854, 556253, STD10225168, CL90MB1LN0-M0EAY0 |
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