Asus PRIME B860M-K Desktop Motherboard

Marketing Information

ASUS PRIME series motherboards are expertly engineered to unleash the full potential of the latest Intel® Core™ Ultra Processors (Series 2). Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the PRIME B860M-K motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It's designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.

Performance | AI Solutions

ASUS AI Solutions include AI Advisor as your technical expert with expertise in PC performance.

AI Advisor

ASUS AI Advisor allows users to explore t...he functionality and advanced features of ASUS motherboards in a simple and straightforward way.

Performance Digital Power Design

Stable power is crucial for maximizing the performance of Intel® Core™ Ultra Processors (Series 2).The PRIME B860M-K features an 6+1+1+1 phase design with discrete MOSFETs,ensuring efficient and stable power delivery for Intel® processors plus steady performance for day-to-day use.

Enhanced Memory & Storage Performance AEMP III for Ultimate DDR5 Performance

ASUS Enhanced Memory Profile III (AEMP III) is an advanced firmware feature that empowers users to achieve unparalleled memory performance with cutting-edge CUDIMM memory. Through a two-phase comprehensive tuning process, AEMP III first optimizes the clock driver and then the memory frequency. This results in the best balance between performance and stability, even at cutting-edge speeds of DDR5-7600 or higher.

DIMM Fit

DIMM Fit is an ASUS-exclusive BIOS feature that precisely analyzes individual memory modules to optimize performance and pinpoint potential issues. This offers peak efficiency, compatibility, and system stability. Whether you are an overclocker seeking ultimate performance, a competitor pursuing the most responsive gameplay, or a content creator prioritizing rock-solid stability, DIMM Fit provides optimizations tailored to your needs and your hardware configuration.

Two M.2 slots (up to 128Gbps)

PRIME B860M-K offers a total of two M.2 slots, including one that supports data-transfer speeds of up to 128Gbps via PCIe 5.0, one that supports 64Gbps via PCIe 4.0. This enables quicker boot-up and app load times with OS or application drives.

ASUS Fan Xpert 2+

ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There's also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.

Realtek 2.5Gb Ethernet

Realtek 2.5Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers.

USB 5Gbps Type-C®

A batch of USB ports support high-end rigs loaded with peripherals, including a front USB Type-C® connector with ultrafast USB 5Gbps for transmission speeds of up to 5Gbps.

Customization Personalization

The PRIME B860M-K enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.

UEFI BIOS

The UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans.

Specifications
Manufacturer: ASUS Computer International
Manufacturer Part Number: 90MB1JT0-M0EAY0
Manufacturer Website Address: http://uk.asus.com
Brand Name: Asus
Product Line: Prime
Product Model: PRIME B860M-K
Product Name: PRIME B860M-K Desktop Motherboard
Product Type: Desktop Motherboard
Technical Information
AI-powered: Yes
Processor & Chipset
Chipset Manufacturer: Intel
Chipset Model: B860
Total Processor Supported: 1
Processor Socket: Socket LGA-1851
Processor Supported: Core Ultra
Memory
Number of Memory Slots: 2
Memory Form Factor:

• DIMM
• UDIMM

Maximum Memory Supported: 128 GB
Memory Technology: DDR5 SDRAM
Memory Speed Supported: 8800 MHz
Error Checking: ECC
I/O Controller
Controller Type: Serial ATA/600
RAID Supported: Yes
RAID Levels:

• 0
• 1
• 5
• 10

Video
Onboard Video: CPU Dependent Video
Audio
Audio Channels: 7.1
Network & Communication
Gigabit Ethernet: Yes
2.5Gigabit Ethernet: Yes
I/O Expansions
Total Number of Expansion Slots: 3
PCI Express Standard: PCI Express 4.0
Total Number of PCI Express Slots: 3
Number of PCI Express x1 Slots: 2
Number of PCI Express x16 Slots: 1
Interfaces/Ports
Total Number of USB Ports: 6
S/PDIF: Yes
VGA: Yes
HDMI: Yes
HDMI Version: 2.1
DisplayPort: Yes
Number of Network (RJ-45) Ports: 1
Onboard Interfaces
Number of SATA Interfaces: 4
Number of M.2 Interfaces: 2
Total Number of Onboard USB Ports: 7
Number of Onboard USB 2.0 Ports: 4
Onboard S/PDIF Header: Yes
Physical Characteristics
Form Factor: Micro ATX
Width: 244 mm
Depth: 222 mm
Miscellaneous
Package Contents:

• PRIME B860M-K Desktop Motherboard
• 2 x SATA 6Gb/s cables
• 1 x I/O Shield
• 1 x M.2 anchor package
• 1 x Quick start guide

Brand Compatibility: Intel
Environmental Compliance: Restriction of Hazardous Substances (RoHS)
Warranty
Limited Warranty: 3 Year