ASUS PRIME B860M-K

The ASUS PRIME B860M-K is a modern micro-ATX motherboard designed to deliver reliable performance, advanced connectivity, and excellent compatibility for Intel® Core™ Ultra processors. Built around the Intel® B860 chipset and the latest LGA1851 socket, the ASUS PRIME B860M-K provides a strong foundation for gaming PCs, productivity systems, and everyday high-performance desktop builds.

Engineered with ASUS reliability and advanced engineering technologies, the ASUS PRIME B860M-K supports Intel® Core™ Ultra Processors (Series 2) while offering compatibility with cutting-edge DDR5 memory. With support for up to 128GB DDR5 RAM and memory speeds reaching 8800+MT/s (OC), the motherboard ensures smooth multitasking, faster responsiveness, and enhanced system efficiency for demanding applications and gaming workloads.

The ASUS PRIME B860M-K also delivers impressive storage flexibility with support for PCIe 5.0 M.2 SSDs and multiple SATA 6Gb/s ports. The primary M.2 slot supports PCIe 5.0 x4 mode, allowing users to take advantage of ultra-fast next-generation NVMe SSD speeds for faster boot times, quicker game loading, and accelerated file transfers. Combined with PCIe 4.0 expansion slots, the ASUS PRIME B860M-K offers excellent upgrade potential for modern GPUs and additional expansion devices.

Connectivity is another highlight of the ASUS PRIME B860M-K. The motherboard includes USB 10Gbps connectivity, multiple USB 5Gbps ports, Realtek 2.5Gb Ethernet, HDMI 2.1, and DisplayPort support for high-resolution displays up to 4K at 60Hz. Whether used for gaming, content creation, office productivity, or home entertainment, the ASUS PRIME B860M-K delivers dependable and versatile connectivity options.

ASUS also integrates advanced durability and protection technologies into the ASUS PRIME B860M-K, including ASUS 5X Protection III, SafeSlot Core+, LANGuard, and VRM heatsink cooling solutions. These features help improve stability, extend component lifespan, and ensure long-term reliability under continuous workloads.

With support for Aura Sync RGB lighting, easy DIY installation features, and a clean micro-ATX form factor, the ASUS PRIME B860M-K is an ideal choice for users seeking a balance of performance, efficiency, expandability, and value in a compact desktop motherboard.

Why Choose ASUS PRIME B860M-K

The ASUS PRIME B860M-K is an excellent motherboard choice for users looking to build a reliable and future-ready Intel system. Designed with the latest Intel® B860 chipset and LGA1851 socket support, the ASUS PRIME B860M-K offers compatibility with Intel® Core™ Ultra processors, making it suitable for gaming, productivity, streaming, and multitasking setups.

One of the major advantages of the ASUS PRIME B860M-K is its DDR5 memory support with speeds up to 8800+MT/s (OC). This allows users to take full advantage of next-generation memory performance for improved system responsiveness and faster application loading times. The motherboard also supports Intel® XMP and ASUS AEMP III technologies for simplified memory optimization and enhanced stability.

Storage and expansion capabilities are another strong reason to choose the ASUS PRIME B860M-K. With PCIe 5.0 M.2 support, users can install ultra-fast NVMe SSDs for maximum storage performance, while the PCIe 4.0 expansion slots provide flexibility for graphics cards and additional devices.

The ASUS PRIME B860M-K also focuses heavily on durability and protection. ASUS 5X Protection III technologies help protect the system from power fluctuations, overheating, and hardware damage, ensuring long-term stability and reliability. Features such as SafeSlot Core+, LANGuard, and premium capacitors make the motherboard dependable for daily use and demanding workloads.

For users who want modern connectivity, excellent memory support, strong durability, and reliable ASUS engineering in a compact micro-ATX design, the ASUS PRIME B860M-K delivers outstanding value for both new PC builds and future upgrades.

Specifications

Model

• ASUS PRIME B860M-K

CPU Support

• Supports Intel® Core™ Ultra Processors (Series 2)
• Intel® LGA1851 Socket
• Supports Intel® Turbo Boost Technology 2.0
• Supports Intel® Turbo Boost Max Technology 3.0

Chipset

• Intel® B860 Chipset

Memory

• 2 x DIMM Slots
• Maximum Capacity: 128GB
• DDR5 Memory Support
• Supports up to 8800+MT/s (OC)
• Dual Channel Memory Architecture
• Supports Non-ECC, Un-buffered DIMM
• Supports CUDIMM
• Supports Intel® XMP
• ASUS Enhanced Memory Profile III (AEMPIII)

Graphics Outputs

• 1 x DisplayPort
• 1 x HDMI™ Port
• Supports up to 4K@60Hz

Expansion Slots

• 1 x PCIe 4.0 x16 Slot
• 2 x PCIe 4.0 x1 Slots

Storage

• 2 x M.2 Slots
• 4 x SATA 6Gb/s Ports
• M.2_1 Supports PCIe 5.0 x4
• M.2_2 Supports PCIe 4.0 x4
• Supports Intel® Rapid Storage Technology RAID 0/1/5/10

Networking

• Realtek 2.5Gb Ethernet
• ASUS LANGuard

Rear USB Ports

• 1 x USB 10Gbps Type-A
• 2 x USB 5Gbps Type-A
• 3 x USB 2.0 Type-A

Front USB Support

• 1 x USB 5Gbps Type-C® Connector
• 1 x USB 5Gbps Header
• 2 x USB 2.0 Headers

Audio

• Realtek 7.1 Surround Sound High Definition Audio CODEC
• Audio Shielding
• Premium Audio Capacitors
• Dedicated Audio PCB Layers

Back Panel I/O

• 1 x USB 10Gbps Type-A
• 2 x USB 5Gbps Type-A
• 3 x USB 2.0 Type-A
• 1 x DisplayPort
• 1 x HDMI™ Port
• 1 x Realtek 2.5Gb Ethernet Port
• 3 x Audio Jacks
• 1 x PS/2 Combo Port

Internal Connectors

• 1 x 24-pin Main Power Connector
• 1 x 8-pin CPU Power Connector
• 1 x CPU Fan Header
• 2 x Chassis Fan Headers
• 2 x M.2 Slots
• 4 x SATA Ports
• Aura RGB Header
• 2 x Addressable Gen2 Headers
• Front Panel Audio Header
• Clear CMOS Header
• TPM Header

Special Features

• ASUS 5X Protection III
• DIGI+ VRM
• SafeSlot Core+
• Stainless-Steel Back I/O
• Q-DIMM
• Q-Slot
• Q-LED Core
• Aura Sync RGB
• VRM Heatsink Design

Software Features

• Armoury Crate
• Aura Sync
• Fan Xpert 2+
• ASUS AI Advisor
• ASUS DriverHub
• ASUS CPU-Z
• ASUS EZ Flash
• ASUS CrashFree BIOS 3

BIOS

• 256(128+128) Mb Flash ROM
• UEFI AMI BIOS

Operating System

• Windows 11 (22H2 & Later)
• Windows 10 64-bit (21H2 & Later)

Form Factor

• micro-ATX
• 24.4cm x 22.2cm