
ASUS
Asus PRIME B840M-A WIFI M-ATX Gaming Motherboard
SKU: PRIME-B840M-AWIFI
Why We Chose This
We selected the ASUS PRIME B840M-A WIFI for its excellent balance of features and value in the M-ATX form factor. It supports the latest Ryzen processors and high-speed DDR5 memory, making it a future-proof choice for gamers and creators who want a compact yet powerful build. The integrated WiFi and AI-ready architecture add convenience and longevity.
ASUS PRIME B840M-A WIFI M-ATX motherboard for AMD Ryzen 9000/8000/7000, DDR5, 8+2+1 power phases, WiFi, AI-ready.
Free delivery on orders over R3,000
Specifications
Product Description
The ASUS PRIME B840M-A WIFI is a feature-packed M-ATX motherboard designed to unlock the full potential of AMD Ryzen 9000, 8000, and 7000 Series processors. With robust 8+2+1 power phases, support for up to 256GB of DDR5 memory at 7600+ MT/s, and built-in WiFi, it's the ideal foundation for a high-performance gaming or productivity rig.
Key Features
- AMD B840 chipset with support for Ryzen 9000/8000/7000 series
- 8+2+1 power phase design with discrete MOSFETs for stable power delivery
- 4 x DDR5 DIMM slots, up to 256GB, speeds up to 7600+ MT/s (OC)
- Integrated WiFi and Bluetooth for wireless connectivity
- AI Advisor and AI PC-ready architecture for next-gen applications
- M-ATX form factor fits compact builds without sacrificing features
Why You'll Love It
Whether you're building a compact gaming PC or a workstation for creative tasks, the PRIME B840M-A WIFI delivers the performance and reliability you need. Its AI-ready features future-proof your system, while the intuitive UEFI BIOS makes overclocking and tuning a breeze.
📋 View full supplier specifications →
Designed to fully leverage the power of AMD Ryzen™ 9000, 8000, and 7000 Series processors, the ASUS PRIME B840M-A WIFI motherboard is an advanced, feature-rich platform built for DIY builders, gamers, and creative professionals alike. It’s expertly engineered with ASUS' AI Advisor and Advanced AI PC-ready architecture, making it ideal for handling heavy workloads and next-gen AI applications. The board’s robust 8+2+1 power phase design with discrete MOSFETs ensures smooth and efficient power delivery, enabling stable performance across demanding tasks.
The PRIME B840M-A WIFI supports up to 256GB of blazing-fast DDR5 memory with speeds up to 7600+MT/s (OC), along with ASUS AEMP and AMD EXPO™ profiles for streamlined overclocking. Comprehensive memory tuning tools are embedded within the UEFI BIOS, giving both newcomers and veterans the flexibility to fine-tune for performance or efficiency. Storage options are future-ready with three M.2 slots—two PCIe 4.0 and one PCIe 3.0—allowing faster boot times, lightning-quick application launches, and expansive SSD capacity. Q-Design innovations such as Q-Antenna and Q-LED Core make system assembly and troubleshooting quick and intuitive.
Stay ahead of the curve with cutting-edge connectivity options, including integrated Wi-Fi 6E, Realtek 2.5Gb Ethernet, and USB 10Gbps Type-A and 5Gbps Type-C® ports for high-speed data transfer and reduced latency. Onboard HDMI, dual DisplayPort, and Realtek 7.1 Surround Sound offer seamless multimedia integration for gaming, streaming, and content creation. The motherboard’s thermal design includes a VRM heatsink, passive chipset heatsink, hybrid fan headers, and AiO pump support, ensuring optimal cooling even during peak performance sessions.
Compact in size but packed with features, the ASUS PRIME B840M-A WIFI M-ATX motherboard is built to make your build stand out—both inside and out. Onboard Aura Sync-compatible RGB headers support Gen 2 addressable devices, giving you full control of system lighting via ASUS’ intuitive software suite. Whether you're customizing airflow, syncing RGB effects, or pushing your system to the limit, this motherboard offers a balance of premium performance, simplified DIY experience, and future-forward connectivity—all wrapped in a sleek, modern form factor ready for Windows® 11.
FEATURES:
- AMD AM5 Socket: Ready for AMD Ryzen™ 9000/8000/7000 Series Desktop Processors
- Ultrafast Connectivity: Wi-Fi 6E, M.2 PCIe 4.0, Realtek 2.5Gb Ethernet, USB 3.2 Gen 2 ports, front USB 3.2 Gen 1 Type-C®
- ASUS Enhanced Memory Profile (AEMP) for enhanced DDR5 performance
- ASUS Q-Design and EZ PC DIY for easily connecting and customizing your hardware
- Comprehensive Cooling: VRM heatsink, Passive chipset heatsink, hybrid fan headers and AiO pump header
- Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers and Aura RGB header for RGB LED strips, easily synced with Aura Sync-capable hardware
SPECIFICATIONS:
- Socket: AM5
- CPU: Supports AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors
- Chipset: AMD B840 Chipset
- DDR5 Memory: Support DDR5 up to 7600+MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC, Un-buffered Memory, supports AMD Extended Profiles for Overclocking (EXPO™), supports ASUS Enhanced Memory Profile (AEMP)
- Memory Channel: Dual
- DIMM Slots: 4
- Max Memory (GB): 256
- PCI-E 4.0 x16: 1
- PCI-E 3.0 x16: 2
- SATA 6G: 4
- M.2 Slot: 3
- LAN: Realtek 2.5Gb Ethernet, ASUS LANGuard
- Wireless and Bluetooth: Wi-Fi 6E, 2x2 Wi-Fi 6E (802.11ax), Supports 2.4/5/6GHz frequency band, Bluetooth v5.3
- USB Ports Rear:
- 2 x USB 10Gbps ports (2 x Type-A)
- 1 x USB 5Gbps port (1 x USB Type-C®)
- 4 x USB 2.0 ports (4 x Type-A)
- USB Ports Front:
- 1 x USB 5Gbps connector (supports USB Type-C®)
- 1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
- 2 x USB 2.0 headers support 4 additional USB 2.0 ports
- Audio ports (Rear): Realtek 7.1 Surround Sound High Definition Audio CODEC
- HDMI: 1
- DisplayPort: 2
- DirectX: 12
- Form Factor: M-ATX
- Operating System: Support for Windows® 11, Windows® 10 64-bit
WHAT'S IN THE BOX:
- Asus PRIME B840M-A WIFI M-ATX Gaming Motherboard – Black x1
- SATA 6Gb/s Cables x2
- Asus Wi-Fi Q-Antenna x1
- M.2 Rubber Package x1
- Screw Packaging for M.2 SSD x2
- Quick Start Guide x1
Frequently Asked Questions
Does the ASUS PRIME B840M-A WIFI support PCIe 5.0?+
No, this motherboard features PCIe 4.0 for the primary x16 slot and M.2 slots. For PCIe 5.0, consider a B650 or X670 board.
What memory speeds are supported?+
It supports DDR5 memory up to 7600+ MT/s (overclocked) with AMD EXPO and ASUS AEMP profiles.
Is this motherboard compatible with Ryzen 7000 series CPUs?+
Yes, it supports AMD Ryzen 7000, 8000, and 9000 series processors out of the box.
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