ASUS PRIME B850M-K DDR5 AM5 Micro ATX Motherboard
R3345,00
- CPU: Supports AMD Ryzen 9000, 8000 & 7000 Series Desktop Processors
- Socket: AM5
- Chipset: AMD B850
- Memory: 2 x DIMM slots | Max. 128GB | DDR5 8200+(OC)
- Storage: 2 x M.2 slots | 4 x SATA 6Gb/s ports
- Expansion Slots: 1 x PCIe 5.0 x16
- Network: 1 x Ethernet 2.5 Gbps
- Warranty: 3 Years
- Description
- SPECS
- Brand
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Description
ASUS PRIME B850M-K: Compact Power, AI-Ready Performance
The ASUS PRIME B850M-K is a compact Micro ATX motherboard expertly engineered to unleash the full potential of AMD Ryzen 9000 series processors. It balances a robust power design and comprehensive cooling with intelligent tuning options, creating a stable platform for daily users and PC DIY builders alike. Designed to be Advanced AI PC-ready, it provides the high-speed connectivity and power efficiency needed for modern multitasking and AI applications.
Unique Features
- PCIe 5.0 Connectivity: Features a primary PCIe 5.0 x16 slot for next-generation graphics cards and a PCIe 5.0 M.2 slot, enabling data transfer speeds of up to 128 Gbps for the fastest available storage and GPUs.
- AI Solutions: Equipped with AI Cache Boost to optimize CPU cache for faster LLM workflows and AI Advisor, a user-friendly tool within the BIOS to help you explore and configure advanced settings.
- Robust Power Design: An 8+2+1 phase power design ensures efficient and stable power delivery to the CPU, while the 6-layer PCB helps dissipate heat to improve system stability and overclocking headroom.
- Realtek 2.5Gb Ethernet: Reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers and a lag-free online experience.
- Comprehensive Cooling: Engineered with a VRM heatsink, thermal pads, and an M.2 heatsink to keep critical components cool, ensuring consistent performance even under heavy loads.
- EZ DIY Features: Includes BIOS FlashBack for easy updates without a CPU, SafeSlot Core+ for reinforced PCIe retention, and Q-LED Core for simple troubleshooting during boot.
Quick Specs of the ASUS PRIME B850M-K
| Specification | Details |
|---|---|
| CPU Support | Supports AMD Ryzen 9000, 8000 & 7000 Series Desktop Processors |
| Socket | AM5 |
| Chipset | AMD B850 |
| Memory Support | 2 x DDR5 DIMMs | up to 128GB | DDR5 8200+(OC) |
| Storage Options | 2 x M.2 slots | 4 x SATA 6Gb/s ports |
| Display Ports | 1 x DisplayPort | 1 x HDMI |
| USB Ports | 2 x USB 10Gbps (Type-A) | 2 x USB 5Gbps (Type-A) | 4 x USB 2.0 (Type-A) |
| Expansion Slots | 1 x PCIe 5.0 x16 |
| LAN | Realtek 2.5Gb Ethernet |
| Wireless | N/A |
| Audio | Realtek 7.1 Surround Sound CODEC |
| Form Factor | Micro ATX |
Check out full specifications under the Specs tab.
Why Choose This Product?
The ASUS PRIME B850M-K is the perfect solution for builders who want the cutting-edge speed of PCIe 5.0 in a smaller footprint. By including both a PCIe 5.0 GPU slot and M.2 slot, it ensures your system is ready for the fastest hardware available, making it a smart long-term investment for gamers and creators.
Despite its compact size, this motherboard does not compromise on connectivity or durability. With 2.5Gb Ethernet, a front USB-C connector, and a suite of protective features like 5X Protection III, it offers a reliable and fast foundation for your build. The intuitive UEFI BIOS and Armoury Crate software make system tuning and driver management effortless, letting you focus on using your PC rather than maintaining it.
Build a powerful, compact, and future-proof system with the ASUS PRIME B850M-K.
| Model | PRIME B850M-K |
| CPU |
* Refer to ASUS for CPU support list. |
| Chipset | AMD B850 Chipset |
| Memory |
* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration. |
| Graphics |
* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications. |
| Expansion Slots | AMD Ryzen 9000 & 7000 Series Desktop Processors*
AMD Ryzen 8000 Series Desktop Processors
AMD B850 Chipset
* Please check the PCIe bifurcation table on the support site. |
| Storage | Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports AMD Ryzen 9000 & 7000 Series Desktop Processors
AMD Ryzen 8000 Series Desktop Processors
AMD B850 Chipset
* Specifications vary by CPU types. |
| Ethernet |
|
| USB | Rear USB (Total 8 ports)
Front USB (Total 7 ports)
* USB Type-C power delivery output: max. 5V/3A |
| Audio | Realtek 7.1 Surround Sound High Definition Audio CODEC*
Audio Features
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output. |
| Back Panel I/O Ports |
|
| Internal I/O Connectors | Fan and Cooling Related
Power Related
Storage Related
USB
Miscellaneous
|
| Special Features | ASUS 5X PROTECTION III
ASUS Q-Design
ASUS Thermal Solution
ASUS EZ DIY
Aura Sync
|
| Software Features | ASUS Exclusive Software
UEFI BIOS
|
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS |
| Manageability | WOL by PME, PXE |
| Accessories | Cables
Miscellaneous
Documentation
|
| Operating System | Windows 11, Windows 10 64-bit |
| Form Factor | micro-ATX Form Factor |
About the Brand
ASUS is one of the world’s most recognized and respected names in gaming and computing. With decades of innovation behind them, ASUS delivers top-tier motherboards, graphics cards, gaming laptops, monitors, and peripherals trusted by gamers, streamers, and professionals around the globe.
Under its acclaimed ROG (Republic of Gamers) and TUF Gaming sub-brands, ASUS offers cutting-edge products engineered for durability, speed, and style. Whether you're building a high-performance rig or looking for a powerhouse laptop, ASUS brings together elite design with breakthrough technology.
At OnlyGaming, we stock the latest ASUS hardware to take your gameplay, streaming, and creative performance to the next level. Choose ASUS for innovation that powers victory.
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