ASUS PRIME B850-PLUS WIFI-CSM AM5 ATX Motherboard
ASUS PRIME B850-PLUS WIFI-CSM AM5 ATX Motherboard
SKU:MBA-B850-PLUS-WFII-CSM
The ASUS PRIME B850-PLUS WIFI-CSM is an AMD Socket AM5 ATX motherboard engineered for AMD Ryzen 9000, 8000, and 7000 series processors. It features PCIe 5.0 support, DDR5 memory up to 256GB, Wi-Fi 6E connectivity, and comprehensive storage options including 3 M.2 slots and 4 SATA ports.
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Product Information
| Brand | ASUS |
|---|---|
| Category | Motherboards |
| SKU | MBA-B850-PLUS-WFII-CSM |
| Availability | Out of Stock |
Overview
- The ASUS PRIME B850-PLUS WIFI-CSM delivers enterprise-class features for demanding workloads and high-performance builds. Built around the AMD B850 chipset, it provides native PCIe 5.0 support for compatible GPUs and NVMe drives, ensuring future-proof expandability. The motherboard supports up to 256GB of DDR5 memory with EXPO overclocking profiles, enabling users to maximise system performance without manual tuning.
Connectivity is comprehensive, featuring Wi-Fi 6E with 2x2 antenna array and Bluetooth 5.3 for wireless flexibility. The integrated 2.5Gb Ethernet with LANGuard protection ensures stable, secure network performance. Storage options include 3 M.2 slots—with the primary M.2_1 slot supporting PCIe 5.0 x4—plus 4 SATA 6Gb/s ports, accommodating diverse storage configurations.
Designed for AI PC readiness, this motherboard combines multiple USB 10Gbps ports, optimised power delivery for 170W processors, and ASUS's proven firmware stability. It supports Windows 11 and Windows 10 64-bit with IT management features including WOL, PXE, and ASUS Control Center Express, making it suitable for corporate deployments and advanced enthusiast setups.
Specifications
| Brand | ASUS |
|---|---|
| Model | PRIME B850-PLUS WIFI-CSM |
| Chipset | AMD B850 |
| Socket | AMD Socket AM5 |
| Form Factor | ATX |
| Motherboard Size | 30.5 cm x 24.4 cm (12 inch x 9.6 inch) |
| CPU Support | AMD Ryzen 9000, 8000, 7000 series processors up to 170W |
| Memory Slots | 4 x DIMM |
| Memory Type | DDR5 |
| Maximum Memory | 256GB |
| Memory Speed | Up to 8000+ MT/s (OC) |
| Memory Features | Dual channel, EXPO, AEMP, ECC and Non-ECC support |
| PCIe Slots | 1 x PCIe 5.0 x16, 1 x PCIe 4.0 x16 (x8/x4 mode), 1 x PCIe 4.0 x16 (x4 mode), 2 x PCIe 3.0 x16 (x1 mode) |
| M.2 Slots | 3 x M.2 slots |
| M.2 Primary (M.2_1) | Type 2280, PCIe 5.0 x4 (Ryzen 9000/7000) or PCIe 4.0 x4 (Ryzen 8000) |
| M.2 Secondary (M.2_2) | Type 2280, PCIe 4.0 x4/x2 mode |
| M.2 Tertiary (M.2_3) | Type 2242/2260/2280/22110, PCIe 4.0 x2 mode |
| SATA Ports | 4 x SATA 6Gb/s |
| Ethernet | 1 x Realtek 2.5Gb Ethernet with LANGuard |
| Wi-Fi | Wi-Fi 6E 2x2 (802.11ax), 2.4/5/6GHz bands |
| Bluetooth | Bluetooth 5.3 |
| USB Rear | 4 x USB 10Gbps (3 x Type-A, 1 x Type-C), 2 x USB 5Gbps Type-A, 2 x USB 2.0 Type-A |
| USB Headers | 1 x USB 5Gbps Type-C header, 1 x USB 5Gbps header, 3 x USB 2.0 headers |
| Total USB Expansion | 9 front-panel ports via headers |
| Display Outputs | 1 x HDMI, 1 x DisplayPort |
| Audio Codec | Realtek 7.1 Surround Sound High Definition Audio |
| Audio Features | Jack-detection, Multi-streaming, Front Panel Jack-retasking, 24-Bit/192 kHz support, Audio shielding, Premium capacitors |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
| Management Features | WOL by PME, PXE, ASUS Control Center Express (ACCE) |
| Operating System Support | Windows 11, Windows 10 64-bit |
| Warranty | 36 months |
Key Features
Ideal For
FAQs
What processors are compatible with the ASUS PRIME B850-PLUS WIFI-CSM?
This motherboard supports AMD Ryzen 9000, 8000, and 7000 series processors with Socket AM5. It can handle CPUs up to 170W TDP, including flagship Ryzen 9 models.
Does this motherboard support DDR5 memory?
Yes. The PRIME B850-PLUS WIFI-CSM features 4 DIMM slots supporting DDR5 memory up to 256GB total capacity. It supports EXPO overclocking profiles and operates up to 8000+ MT/s on compatible processors.
What is the primary difference between PCIe 5.0 and PCIe 4.0 slots on this board?
The primary M.2_1 slot supports PCIe 5.0 x4 (on Ryzen 9000/7000) for ultra-fast NVMe drives. Secondary and tertiary M.2 slots use PCIe 4.0 x4 and x2 respectively. PCIe 5.0 doubles bandwidth for faster storage performance.
Does the ASUS PRIME B850-PLUS include Wi-Fi?
Yes. This motherboard includes Wi-Fi 6E with 2x2 antenna array, supporting 2.4GHz, 5GHz, and 6GHz bands. It also has Bluetooth 5.3 for wireless peripherals.
How many storage devices can this motherboard support?
The board supports up to 7 storage devices: 3 M.2 NVMe slots and 4 SATA 6Gb/s ports. This provides flexibility for SSDs, HDDs, and mixed storage configurations.
What management and remote features does this motherboard offer?
The PRIME B850-PLUS WIFI-CSM includes WOL (Wake on LAN) by PME, PXE boot support, and ASUS Control Center Express (ACCE) for IT management and remote system control.
Is this motherboard suitable for AI workstations?
Yes. ASUS has designed this board as AI PC-ready, with PCIe 5.0 GPU support, high bandwidth memory architecture, and management features suitable for advanced computational workloads.
What is the warranty period for this motherboard?
The ASUS PRIME B850-PLUS WIFI-CSM comes with a 36-month manufacturer's warranty covering defects in materials and workmanship.
