ASUS PRIME B850-PLUS WIFI AM5 ATX Motherboard
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About This Item
- AMD B850 Socket AM5 ATX motherboard for Ryzen 7000/8000/9000 series
- Supports up to 256 GB DDR5 memory with dual-channel architecture
- 3 M.2 slots and 4 SATA III connectors for versatile storage options
- Wi-Fi 6E, Bluetooth 5.3, and 2.5Gb Ethernet for advanced connectivity
- 7.1 channel audio output and PCIe 4.0 support for enhanced performance
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ASUS PRIME B850-PLUS WIFI | AMD B850 ATX Motherboard
The ASUS PRIME B850-PLUS WIFI AMD B850 Socket AM5 ATX motherboard delivers robust performance for AMD Ryzen 7000, 8000, and 9000 series processors. Built on the AMD B850 chipset, this ATX board combines AI-ready capabilities with comprehensive connectivity, making it ideal for UK PC builders seeking a future-proof foundation for demanding applications.
Key Specifications
| Metric | Spec |
|---|---|
| Socket | AM5 |
| Memory Support | DDR5, up to 256 GB |
| Storage | M.2 (x3), SATA III (x4) |
| Network | 2.5Gb Ethernet, Wi-Fi 6E, Bluetooth 5.3 |
| Expansion | PCIe 4.0 x16, PCIe 3.0 x16 (x2) |
AI-Ready Performance for AMD Ryzen 9000
The ASUS PRIME B850-PLUS WIFI motherboard is engineered to maximise the potential of AMD Ryzen 9000 series processors. With support for DDR5 memory speeds up to 8000 MHz and dual-channel architecture, this board delivers the bandwidth needed for AI workloads and content creation. The AMD B850 chipset provides enhanced power delivery and thermal management, ensuring stable performance during intensive computing tasks.
Comprehensive Connectivity Options
This motherboard offers extensive connectivity for modern UK builds. Three M.2 slots support the latest NVMe SSDs, while four SATA III ports accommodate additional storage drives. The 2.5 Gigabit Ethernet connection provides reliable wired networking, complemented by Wi-Fi 6E and Bluetooth 5.3 for wireless flexibility. Multiple USB ports including USB 3.2 Gen 2 Type-C ensure compatibility with current peripherals.
Robust Expansion and Storage Capabilities
With support for up to 7 storage drives total, the ASUS PRIME B850-PLUS WIFI accommodates extensive storage configurations. The board features RAID 0, 1, 5, and 10 support for data protection and performance optimisation. Four chassis fan headers and one CPU fan connector provide comprehensive cooling control, while the ATX form factor ensures compatibility with standard PC cases.
Advanced Audio and BIOS Features
The motherboard delivers 7.1 channel HD audio with shielding to minimise interference, creating an immersive sound experience for gaming and media consumption. The UEFI AMI BIOS with 256 Mbit storage enables quick boot times and intuitive configuration. ASUS’s PRIME series software suite provides easy access to performance tuning and system monitoring tools.
Box Contents
- ASUS PRIME B850-PLUS WIFI motherboard
- I/O shield
- User manual
- Warranty card
- SATA cables (quantity not specified)
- M.2 screws (quantity not specified)
Check before you buy
- Confirm your AMD Ryzen processor is compatible with Socket AM5
- Verify your case supports ATX motherboard dimensions (305 x 244 mm)
- Check that your power supply has the required 24-pin ATX and 8-pin EPS connectors
- Confirm your DDR5 memory is on the motherboard’s qualified vendor list
Questions and answers
Does this motherboard support DDR4 memory?
Can I use this with an AMD Ryzen 5000 series processor?
How many graphics cards can I install?
Is there built-in Wi-Fi?
What RAID configurations are supported?
Worth knowing before you buy
The ASUS PRIME B850-PLUS WIFI represents excellent value for UK PC builders seeking a reliable AMD B850 platform with comprehensive features. Its AI-ready design, robust power delivery, and extensive connectivity make it suitable for both gaming and professional applications. Covered by the applicable manufacturer warranty, this motherboard offers the stability and performance needed for demanding computing tasks.
| Thunderbolt headers | 1 |
|---|---|
| 12V power connector | Yes |
| USB 2.0 connectors | 3 |
| 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 | 4 |
| 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 |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Processor socket | Socket AM5 |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| Supported memory clock speed max | 8000 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| RAID levels | 1, 5, 10 |
| Number of storage drives supported | 7 |
| RAID support | Yes |
| Parallel processing technology support | Not supported |
| On-board graphics card | No |
| 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 | 3 |
| USB 3.2 Gen 2 3.1 Gen 2 Type-C ports quantity | 1 |
| USB 2.0 ports quantity | 2 |
| Microphone in | Yes |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| DisplayPorts quantity | 1 |
| Bluetooth version | 5.3 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Motherboard chipset family | AMD |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Product colour | Multicolour |
| Number of M.2 M slots | 3 |
| PCI Express x16 Gen 3.x slots | 2 |
| PCI Express x16 Gen 4.x slots | 1 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Width | 305 mm |
| Depth | 244 mm |
| Height | 48 mm |
| Package width | 353 mm |
| Package depth | 68 mm |
| Package height | 273 mm |
| Package weight | 1.26 kg |
| Weight | 1.05 kg |
| Compatible operating systems | Windows 11, Windows 10 64-bit |
| Distributor SKUs | MBD-90MB1L80-M0EAY0, 11519335, 126453, 548232, STD10220304, CL90MB1L80-M0EAY0 |








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