Description

ASUS PRIME B840M-A WIFI-CSM

The ASUS PRIME B840M-A WIFI-CSM is a micro-ATX motherboard designed for AMD Ryzen desktop processors. It combines reliable power delivery, fast DDR5 memory support, modern connectivity, and practical expansion options. Therefore, it is a solid choice for gaming PCs, productivity systems, and professional builds.

Built around the AMD B840 chipset, the motherboard supports AMD Ryzen 9000, 8000, and 7000 Series processors through the AM5 socket. In addition, its 8+2+1 phase digital power design helps provide stable power delivery for everyday use and demanding workloads.

For memory, the PRIME B840M-A WIFI-CSM includes four DDR5 DIMM slots with support for up to 256GB of memory. It supports speeds up to 7600+ MT/s through overclocking, along with AMD EXPO and ASUS AEMP technologies for easier memory tuning.

Storage is also well covered. The board provides three M.2 slots and four SATA 6Gb/s ports, giving you plenty of options for fast NVMe SSDs and additional storage drives. Moreover, the primary M.2 slots support PCIe 4.0 x4 connectivity.

For networking, the motherboard features WiFi 6E and Realtek 2.5Gb Ethernet. It also includes Bluetooth 5.3, USB Type-C connectivity, and multiple high-speed USB ports. As a result, you get fast wired and wireless connections for modern peripherals and networks.

The micro-ATX form factor measures 24.4 × 24.4 cm, making it suitable for a wide range of compact and standard PC cases. Furthermore, ASUS includes practical features such as BIOS FlashBack, Q-DIMM, Q-Slot, Q-LED Core, Aura Sync, and a pre-mounted I/O shield for easier PC building.

Key Specifications

• Socket: AMD AM5
• Chipset: AMD B840
• Form Factor: Micro-ATX
• Memory: 4 × DDR5 DIMM, up to 256GB
• Memory Speed: Up to 7600+ MT/s (OC)
• Expansion: 1 × PCIe 4.0 x16, 2 × PCIe 3.0 x16 (x1)
• Storage: 3 × M.2, 4 × SATA 6Gb/s
• Networking: WiFi 6E, 2.5Gb Ethernet, Bluetooth 5.3
• Display: 2 × DisplayPort, 1 × HDMI
• USB: USB 10Gbps Type-A, USB 5Gbps Type-C