ASUS PRIME B850M-K Motherboard
The ASUS PRIME B850M-K is a compact micro-ATX motherboard designed for AMD Ryzen™ 9000, 8000, and 7000 Series processors. Powered by the AMD B850 chipset, it features DDR5 memory support, PCIe® 5.0, dual M.2 storage, Realtek® 2.5Gb Ethernet, and AI-ready features, making it an excellent choice for gaming, productivity, and everyday desktop builds.
Product Overview
The ASUS PRIME B850M-K delivers reliable performance and modern connectivity for AMD AM5 systems. Built around the AMD B850 chipset, it supports AMD Ryzen™ 9000, 8000, and 7000 Series desktop processors with DDR5 memory up to 128GB and speeds reaching 8200+ MT/s (OC) for Ryzen™ 9000 processors. It features a PCIe® 5.0 x16 SafeSlot, two M.2 storage slots including one PCIe® 5.0 slot, Realtek® 2.5Gb Ethernet, and comprehensive cooling for stable everyday performance. ASUS AI Advisor, 5X Protection III, BIOS FlashBack™, and EZ DIY features provide an easy building experience, making this motherboard ideal for home users, gamers, and productivity-focused systems.
Key Features
- ⚡ Supports AMD Ryzen™ 9000, 8000 & 7000 Series Desktop Processors
- 🚀 Powered by the AMD B850 Chipset with AM5 Socket
- 💾 Supports up to 128GB DDR5 Memory with speeds up to 8200+ MT/s (OC)*
- 🎮 PCIe® 5.0 x16 SafeSlot for next-generation graphics cards
- ⚙️ 2× M.2 Slots (1× PCIe® 5.0 + 1× PCIe® 4.0) plus 4× SATA 6Gb/s ports
- 🌐 Realtek® 2.5Gb Ethernet with ASUS LANGuard protection
- 🔌 USB 10Gbps Type-A, front USB 5Gbps Type-C®, and multiple USB ports
- ❄️ 8+2+1 Phase Digital Power Design, VRM heatsink, M.2 heatsink, and Fan Xpert 2+
- 🛡️ BIOS FlashBack™, Q-DIMM, Q-LED Core, Q-Slot, SafeSlot, and ASUS 5X Protection III
- 🤖 Supports ASUS AI Advisor, Armoury Crate, Aura Sync RGB, and AEMP
- 🧩 Ideal for gaming, home, office, and AI-ready desktop builds
- 📐 micro-ATX Form Factor for compact and versatile PC systems
- ✅ Supports Windows® 11 64-bit and Windows® 10 64-bit
Technical Specifications
| Category | Motherboard |
| Manufacturer | ASUS |
| Model | PRIME B850M-K |
| Socket | AM5 |
| Chipset | AMD B850 |
| Memory Support | 2× DDR5, Up to 128GB, Up to 8200+ MT/s (OC) |
| Form Factor | Micro-ATX |
| Storage | 2× M.2 (1× PCIe® 5.0 + 1× PCIe® 4.0), 4× SATA 6Gb/s |
| CPU Support | AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors |
| LAN | Realtek® 2.5Gb Ethernet |
| PCIe Support | PCIe 5.0 |
| Warranty | 1 Year Manufacturer Warranty |
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