ASUS PRIME B860M-A WIFI-CSM Motherboard (LGA1851, DDR5, mATX)

Key Features

With a 7(80A)+1+1+1 DrMOS power stage design, the PRIME B860M-A WIFI-CSM ensures stable power delivery even under intense loads, enabling strong performance from high‐core-count CPUs. :contentReference[oaicite:1]{index=1}

Memory support is exceptional: four DIMM slots support up to 256 GB of DDR5 with speeds up to 8666+ MT/s (OC). :contentReference[oaicite:2]{index=2} Dual channel architecture and ASUS Enhanced Memory Profile III (AEMP III) help deliver optimum memory performance. :contentReference[oaicite:3]{index=3}

Storage & Expansion

The board features two M.2 slots – one supporting PCIe 5.0 x4, the other PCIe 4.0 x4 – along with four SATA 6 Gb/s ports for traditional storage devices. :contentReference[oaicite:4]{index=4} A full-length PCIe 5.0 x16 slot ensures compatibility with next-generation graphics cards and expansion devices. :contentReference[oaicite:5]{index=5}

Connectivity & Networking

Built-in WiFi 6E and Bluetooth 5.3 provide ultra-fast wireless connectivity, while the 2.5 Gb Ethernet port offers premium wired network support – ideal for gaming, streaming and creative workflows. :contentReference[oaicite:6]{index=6} Rear-panel USB includes a USB-C 20 Gbps port and multiple USB 10/5 Gbps ports for high-speed peripherals. :contentReference[oaicite:7]{index=7}

Cooling & Build-Quality

Engineered with a six-layer PCB, enlarged VRM heatsinks and comprehensive hybrid fan/AIO pump headers, the board is built to remain cool under load and deliver long-term stability. :contentReference[oaicite:8]{index=8} The pre-mounted I/O shield simplifies installation and boosts aesthetics. :contentReference[oaicite:9]{index=9}

Why Choose the PRIME B860M-A WIFI-CSM?

If you’re assembling a high-end PC in a compact mATX chassis and want next-gen features — DDR5 high-speed memory, PCIe 5.0, ultra-fast networking and reliable power for current and upcoming Intel CPUs — this board ticks all the boxes. At Paras Tech we recommend it for gamers, creators and enthusiasts who demand performance without full-ATX size.

Summary

The ASUS PRIME B860M-A WIFI-CSM offers a powerful combination of features, build-quality and future-readiness. Whether you’re building your first high-end PC or upgrading to the latest platform, this motherboard offers excellent value and performance in the mATX form factor.