ASUS PRIME B860M-K Motherboard
The ASUS PRIME B860M-K is a compact micro-ATX motherboard built for Intel® Core™ Ultra Processors (Series 2). Powered by the Intel® B860 chipset, it features DDR5 memory support, PCIe® 5.0 storage, PCIe® 4.0 graphics, Realtek® 2.5Gb Ethernet, and AI-ready technologies, making it an excellent choice for gaming, productivity, home, and business desktop builds.
Product Overview
The ASUS PRIME B860M-K is designed to unlock the full potential of Intel® Core™ Ultra Processors (Series 2) with a stable and efficient platform for modern computing. Featuring the Intel® B860 chipset and LGA1851 socket, it supports DDR5 memory up to 128GB with speeds reaching 8800+ MT/s (OC). The motherboard includes a PCIe® 4.0 x16 graphics slot, two M.2 slots including one PCIe® 5.0 x4, Realtek® 2.5Gb Ethernet, and comprehensive cooling for reliable operation. ASUS AI Advisor, ASUS 5X Protection III, Aura Sync RGB, and EZ DIY features provide an intuitive building experience, making it ideal for gaming, AI-powered applications, content creation, and everyday desktop systems.
Key Features
- ⚡ Supports Intel® Core™ Ultra Processors (Series 2)
- 🚀 Powered by the Intel® B860 Chipset with LGA1851 Socket
- 💾 Supports up to 128GB DDR5 Memory with speeds up to 8800+ MT/s (OC)
- 🎮 PCIe® 4.0 x16 SafeSlot Core+ for modern graphics cards
- ⚙️ 2× M.2 Slots (1× PCIe® 5.0 x4 + 1× PCIe® 4.0 x4) plus 4× SATA 6Gb/s ports
- 🌐 Realtek® 2.5Gb Ethernet with ASUS LANGuard protection
- 🔌 Rear USB 10Gbps Type-A, USB 5Gbps Type-A, front USB 5Gbps Type-C®, and additional USB connectivity
- ❄️ VRM heatsink, hybrid fan headers, and Fan Xpert 2+ for efficient thermal management
- 🛡️ ASUS 5X Protection III, Q-Dashboard, Q-DIMM, Q-LED Core, Q-Slot, SafeSlot Core+, and CrashFree BIOS 3
- 🤖 Supports ASUS AI Advisor, Armoury Crate, Aura Sync RGB, AEMP III, and ASUS DriverHub
- 🧩 Ideal for gaming, AI computing, home, office, and productivity desktop builds
- 📐 micro-ATX Form Factor for compact and flexible PC systems
- ✅ Supports Windows® 11 (22H2 & later) and Windows® 10 64-bit (21H2 & later)
Technical Specifications
| Category | Motherboard |
| Manufacturer | ASUS |
| Category | Motherboard |
| Manufacturer | ASUS |
| Chipset | Intel® B860 |
| CPU Socket | LGA1851 |
| CPU Support | Intel® Core™ Ultra Processors (Series 2) |
| Memory Support | 2× DDR5, Up to 128GB, Up to 8800+ MT/s (OC) |
| Expansion Slot | 1× PCIe® 4.0 x16 |
| Storage | 2× M.2 (1× PCIe® 5.0 x4 + 1× PCIe® 4.0 x4), 4× SATA 6Gb/s |
| Networking | Realtek® 2.5Gb Ethernet |
| Form Factor | micro-ATX |