The ASUS PRIME B840M-A WIFI CSM DDR5 Motherboard is a micro ATX board based on the AMD B840 chipset, designed for AMD Ryzen 9000, 8000, and 7000 series desktop processors, featuring the AM5 socket.
Key specifications include:
Memory: 4 DDR5 DIMM slots supporting up to 256GB RAM, with speeds up to 7600+ MT/s (OC) using AMD EXPO and ASUS Enhanced Memory Profiles (AEMP). Supports ECC and non-ECC unbuffered DDR5.
Expansion Slots: 1 PCIe 4.0 x16 slot, 2 PCIe 3.0 x16 (x1) slots.
Storage: 3 M.2 slots (PCIe 4.0 and 3.0 depending on slot and CPU), and 4 SATA 6Gb/s ports.
Networking: Realtek 2.5Gb Ethernet and integrated Wi-Fi 6E (802.11ax) with Bluetooth 5.3.
USB: Rear I/O includes 2x USB 10Gbps Type-A, 1x USB 5Gbps Type-C, 4x USB 2.0 ports; front panel supports USB 5Gbps Type-C and additional USB ports.
Video: 2x DisplayPort 1.4 supporting up to 8K@30Hz, 1x HDMI 2.1 port supporting 4K@60Hz.
Audio: Realtek 7.1 Surround Sound HD Audio codec with audio shielding and premium capacitors.
Cooling: Multiple fan headers including CPU, chassis, and AIO pump headers, plus VRM and M.2 heatsinks.
Special Features: ASUS 5X PROTECTION III (including LANGuard, Overvoltage protection, SafeSlot Core+), Q-Design features for easy building, Aura Sync RGB lighting.
BIOS: UEFI AMI BIOS with FlashBack support.
Connectivity: Supports ASUS Control Center Express (ACCE) for IT management.
Form Factor: micro-ATX (24.4 cm x 24.4 cm).
Operating Systems: Windows 10 and 11 64-bit.
Accessories: Wi-Fi antennas, M.2 rubber package, SATA cables, quick start guide.
This motherboard is ideal for reliable and high-performance AMD Ryzen desktop builds requiring modern connectivity, fast DDR5 memory support, and robust network capabilities including Wi-Fi 6E, tailored primarily for business and professional environments.
