ASUS Prime B850M-K Micro-ATX Motherboard – AM5, DDR5, PCIe 5.0, USB 10Gbps | 90MB1LV0-M0EAY0

Product Overview

The ASUS Prime B850M-K is a compact and efficient Micro-ATX motherboard built to maximize the performance of AMD Ryzen 9000 and 7000 Series processors. Powered by the AMD B850 chipset, it delivers a balanced blend of performance, connectivity, and durability—making it ideal for productivity users, gamers, and content creators who want premium features without the premium price.

Optimized Power Delivery for AMD Ryzen CPUs

An 8+2+1 phase digital VRM ensures clean, stable power delivery for high-core-count processors. Combined with quality components and ASUS power engineering, the motherboard maintains reliable performance whether you’re gaming, multitasking, or running intensive workloads.

Enhanced DDR5 Memory Performance

Supporting up to 128GB of DDR5 RAM, the Prime B850M-K is ready for next-generation memory speeds. ASUS AEMP automatically optimizes memory modules for faster, stable performance, while OptiMem signal routing improves reliability and headroom for overclocking.

Storage & Expansion for Modern Builds

The motherboard includes a PCIe 5.0 x16 slot designed for the latest GPUs, ensuring maximum bandwidth for gaming and rendering. Two PCIe 4.0 M.2 slots provide high-speed NVMe SSD support, enabling quicker boot times, faster transfers, and improved responsiveness.

Fast Connectivity for Work & Play

With a mix of USB 10Gbps Type-A, USB 5Gbps Type-C®, Gigabit LAN, HDMI 2.1, and DisplayPort outputs (depending on CPU capabilities), the B850M-K delivers excellent connectivity for peripherals, displays, and high-speed data devices.

Clear, Immersive Audio

A Realtek 7.1-channel HD Audio CODEC ensures crisp, detailed sound. Dedicated PCB layers, premium capacitors, and noise shielding enhance clarity for gaming, streaming, and entertainment.

Built for Reliability & Long-Term Use

ASUS 5X Protection III safeguards components with advanced protections such as overvoltage defense, stainless-steel I/O shielding, and surge-protected networking. Fan Xpert controls and multiple fan headers ensure efficient, customizable cooling.

Compact, Versatile Micro-ATX Design

Its Micro-ATX form factor makes it perfect for smaller cases while delivering the full functionality needed for modern AM5 systems. Whether you’re building a value-friendly gaming PC or a compact workstation, the Prime B850M-K is a dependable choice.

Buy Now – Efficient, Feature-Rich AM5 Motherboard

Choose the ASUS Prime B850M-K if you want a reliable, performance-focused AM5 motherboard with PCIe 5.0 support, strong power delivery, and essential modern features—ideal for everyday computing, gaming, and creative work.