Asus Prime B840M-K AMD B840 Socket AM5 micro ATX - Black

ASUS Prime B840M-K – AM5 Micro-ATX Budget Gaming Board

The ASUS Prime B840M-K is a Micro-ATX motherboard built on the AMD B840 chipset, designed for AMD Ryzen 7000, 8000, and 9000 series processors on the AM5 socket. It targets entry-to-midrange gaming and productivity builds, offering a balanced set of features for DDR5 platforms without the higher cost of premium chipsets.

Modern Platform Support with DDR5 and PCIe 4.0

This motherboard supports dual-channel DDR5 memory with capacities up to 128GB and speeds exceeding 8000MT/s (OC), depending on CPU and memory configuration. It also includes PCIe 4.0 support for both graphics cards and M.2 NVMe storage, ensuring compatibility with modern GPUs and fast SSDs.

Stable Power Delivery and Practical Connectivity

The B840M-K features a 8+2+1 phase digital power design, which is sufficient for efficient Ryzen CPU operation in gaming and everyday workloads. Connectivity includes 2.5Gb Ethernet, multiple USB ports including USB 5Gbps, HDMI output for iGPU-supported CPUs, and ASUS cooling tools for fan control.

Key Specifications

• Model: ASUS Prime B840M-K

• Chipset: AMD B840

• Socket: AM5 (Ryzen 7000 / 8000 / 9000 series support)

• Form Factor: Micro-ATX

• Memory: 2× DDR5 DIMM slots (up to 128GB, OC support up to 8000+ MT/s)

• Expansion: PCIe 4.0 x16 slot + PCIe 3.0/4.0 additional slot

• Storage: 2× M.2 slots + 4× SATA 6Gb/s

• Networking: 2.5Gb Ethernet

• Video Output: HDMI (CPU-dependent iGPU support)

• USB: USB 5Gbps Type-A + USB 2.0 ports

• Audio: Realtek 7.1 HD Audio

• Usage: Budget gaming, entry AM5 builds, productivity PCs