ASUS PRIME B860M-K DDR5 micro-ATX Motherboard with Intel® B860 Chipset, PCIe 5.0, USB 10Gbps, and AI PC Support

Designed to support the latest Intel® Core™ Ultra Processors (Series 2), the ASUS PRIME B860M-K is a future-ready micro-ATX motherboard tailored for builders seeking top-tier performance, AI-readiness, and seamless connectivity. Built on the Intel® B860 chipset, it offers dual DDR5 DIMM slots supporting speeds up to 8800+ MT/s (OC), PCIe 5.0 and PCIe 4.0 compatibility for GPUs and storage, and a highly efficient thermal solution to maintain peak performance under heavy loads. Its AI PC compatibility, intelligent tuning options, and ASUS 5X PROTECTION III ensure stability and long-term reliability for intensive computing demands, including creative workflows, gaming, and machine learning tasks.

Ample connectivity options such as two M.2 slots (PCIe 5.0 and 4.0), four SATA 6Gb/s ports, Realtek 2.5Gb Ethernet, USB 10Gbps Type-A, and front-panel USB Type-C® make it suitable for modern high-speed devices. Integrated DisplayPort and HDMI™ support up to 4K@60Hz visuals, while high-definition 7.1 surround audio with premium capacitors and audio shielding enhances multimedia experiences. Bundled with intuitive ASUS-exclusive software including Armoury Crate, Fan Xpert 2+, and AI Advisor, the PRIME B860M-K stands as a solid and flexible foundation for the next-generation AI-driven PC builds.

Key Features

• Intel® Core™ Ultra Processor (Series 2) Support
  Compatible with LGA1851 CPUs and supports Intel® Turbo Boost 2.0 and 3.0 technologies, allowing high-performance tasks with optimal power efficiency.

• DDR5 Memory Support
  Two DIMM slots support up to 128GB of DDR5 memory at 8800+ MT/s (OC), optimized with ASUS Enhanced Memory Profile III (AEMP III) and dual-channel architecture.

• Next-Gen Storage Expansion
  Includes dual M.2 slots: one PCIe 5.0 x4 and one PCIe 4.0 x4, plus four SATA 6Gb/s ports. RAID 0/1/5/10 is supported via Intel® Rapid Storage Technology.

• Advanced Graphics Output
  One DisplayPort 1.4 and one HDMI™ 2.1 port, each supporting 4K@60Hz output, depending on CPU capabilities.

• High-Speed Connectivity
  Equipped with Realtek 2.5Gb Ethernet, USB 10Gbps Type-A, USB 5Gbps ports, and front-panel USB Type-C® for modern peripherals.

• Superior Audio Design
  Realtek 7.1 HD audio with support for 24-bit/192 kHz playback, featuring premium capacitors, audio shielding, and jack detection.

• Robust Power and Cooling Solutions
  Features a VRM heatsink, DIGI+ VRM, ProCool power connectors, and three 4-pin fan headers for efficient thermal control.

• Comprehensive ASUS Software
  Includes Armoury Crate, Fan Xpert 2+, AI Advisor, DriverHub, and UEFI BIOS with EZ Mode, CrashFree BIOS 3, and MyHotkey support.

• Customization & Aesthetics
  Integrated Aura RGB and Addressable Gen 2 headers allow synchronized lighting effects with other Aura Sync-compatible components.

Technical Specifications

• Model: ASUS PRIME B860M-K

• CPU Support: Intel® Core™ Ultra Processors (Series 2), LGA1851

• Chipset: Intel® B860

• Memory: 2 x DDR5 DIMM slots, max. 128GB, up to 8800+ MT/s (OC), dual-channel, AEMP III support

• Expansion Slots: 1 x PCIe 4.0 x16, 2 x PCIe 4.0 x1

• Storage:

  • 1 x M.2 (PCIe 5.0 x4, 2242/2260/2280)

  • 1 x M.2 (PCIe 4.0 x4, 2242/2260/2280)

  • 4 x SATA 6Gb/s ports

• LAN: Realtek 2.5Gb Ethernet with ASUS LANGuard

• Audio: Realtek 7.1 Surround Sound HD Audio CODEC, supports 24-Bit/192 kHz

• USB (Rear I/O):

  • 1 x USB 10Gbps Type-A

  • 2 x USB 5Gbps Type-A

  • 3 x USB 2.0 Type-A

• USB (Internal):

  • 1 x USB 5Gbps (USB Type-C®)

  • 1 x USB 5Gbps header (supports 2 ports)

  • 2 x USB 2.0 headers (support 4 ports)

• Video Outputs: 1 x DisplayPort 1.4, 1 x HDMI™ 2.1

• Form Factor: micro-ATX (24.4cm x 22.2cm)

• Special Features:

  • ASUS 5X PROTECTION III

  • Q-DIMM, Q-LED Core, Q-Dashboard

  • Aura Sync RGB support

  • VRM heatsink, ProCool

• BIOS: 256Mb UEFI AMI BIOS

• Software: Armoury Crate, AI Advisor, ASUS CPU-Z, Norton 360 (60 days), WinRAR (40 days)

• Accessories Included:

  • 2 x SATA 6Gb/s cables

  • 1 x I/O Shield

  • 1 x M.2 anchor package

  • 1 x Quick start guide

• Operating System Support: Windows 11 (22H2+), Windows 10 64-bit (21H2+)

Conclusion

Engineered with cutting-edge connectivity, reliable power delivery, and support for AI-optimized performance, the ASUS PRIME B860M-K motherboard serves as a reliable foundation for mainstream and performance PC builds alike. Designed for the demands of modern users and future-focused tasks, it ensures fast data transfer, rich media support, and hardware-level durability, making it an ideal choice for builders looking for long-term functionality and next-generation compatibility.