ASUS PRIME B860M-K - Motherboard, Intel B860, LGA 1851 (Socket V1), micro ATX

Unlock your build's potential with the ASUS PRIME B860M-K motherboard.
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Key specifications

  • BrandASUS
  • Processor socketLGA 1851
  • Motherboard chipsetIntel B860
  • Motherboard form factorMicro-ATX
  • Supported memory typesDDR5-SDRAM
  • Number of memory slots2
  • Number of M.2 (M) slots2
  • Maximum internal memory128 GB
  • Compatible processor seriesIntel Core Ultra (Series 2)
  • Video outputsHDMI, DisplayPort
  • Performance profileXMP 3.0
  • Weight1.07 kg
  • Warranty3 Years Warranty

ASUS PRIME B860M-K Motherboard

The ASUS PRIME B860M-K motherboard is a powerful micro ATX solution designed to support Intel Core Ultra 2 Series processors with the innovative LGA 1851 socket. This board blends essential performance with user-friendly features, making it an excellent choice for everyday workstations and desktop setups.

Flexible Memory and Storage Options

Experience enhanced processing power with two DDR5 slots that accommodate up to 96 GB of RAM, including support for overclocking profiles like XMP and AEMP. The ASUS PRIME B860M-K offers advanced storage capabilities, featuring two M.2 connections — one supporting PCIe 5.0 ×4 for ultra-fast SSDs and another with PCIe 4.0 ×4. Additionally, it comes equipped with four SATA III ports, ensuring ample space for all your storage needs.

Essential Connectivity Features

This motherboard is designed for seamless connectivity, featuring both HDMI and DisplayPort options for display via integrated graphics. You’ll also find rear USB connections, including a 10 Gb/s USB-C port, alongside a 2.5 Gb Realtek network connection for high-speed and stable internet access, ideal for streaming, gaming, and general productivity tasks.

Robust Design and Durability

Constructed with a compact micro ATX layout, the ASUS PRIME B860M-K includes a PCIe 4.0 SafeSlot to support advanced graphics cards. It also features a reinforced power delivery system that ensures stable thermal performance, allowing your components to run efficiently and reliably over time.

Why Choose ASUS PRIME B860M-K?

  • Compatible with the latest Intel Core Ultra 2 Series processors
  • Supports up to 96 GB DDR5 RAM with overclocking capabilities
  • Multiple ultra-fast storage options with PCIe 5.0 and PCIe 4.0
  • Advanced connectivity options, including USB-C and 2.5 Gb Ethernet
  • Designed for durability with a focus on thermal performance

Upgrade your desktop experience with the ASUS PRIME B860M-K motherboard, where cutting-edge technology meets reliability and performance.

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All specifications 65

Main4
Brand
ASUS
Warranty
3 Years Warranty
Product code
90MB1JT0-M0EAY0
EAN/UPC code
4711387808498
Processor4
Processor socket
LGA 1851
Compatible processor series
Intel Core Ultra (Series 2)
Processor manufacturer
Intel
Supported processor sockets
LGA 1851
Performance2
Motherboard chipset
Intel B860
Performance profile
XMP 3.0
Features4
Audio output channels
7.1 channels
Motherboard chipset family
Intel
Motherboard form factor
Micro-ATX
Windows operating systems supported
Windows 10 x64, Windows 11
Memory7
ECC сompatibility
Non-ECC
Maximum internal memory
128 GB
Memory channels
Dual-channel
Memory slots type
DIMM
Number of memory slots
2
Supported memory types
DDR5-SDRAM
Unbuffered memory
Yes
Expansion slots7
1st M.2 highest PCI Express generation
5.0
1st M.2 largest key size
2280
2nd M.2 highest PCI Express generation
4.0
2nd M.2 largest key size
2280
Number of M.2 (M) slots
2
PCI Express x1 (Gen 4.x) slots
2
PCI Express x16 (Gen 4.x) slots
1
Ports & interfaces7
DisplayPorts quantity
1
Ethernet LAN (RJ-45) ports
1
HDMI ports quantity
1
USB 2.0 ports quantity
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
1
Video outputs
HDMIDisplayPort
BIOS2
BIOS memory size
256 Mbit
BIOS type
UEFI AMI
Graphics1
Parallel processing technology support
Not supported
Internal I/O12
ATX Power connector (24-pin)
Yes
CPU fan connector
Yes
Front panel audio connector
Yes
Front panel connector
Yes
Number of chassis fan connectors
2
Number of COM connectors
1
Number of SATA III connectors
4
RGB LED pin header
Yes
S/PDIF out connector
Yes
TPM connector
Yes
USB 2.0 connectors
2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
2
Network2
Ethernet interface type
2.5 Gigabit Ethernet
Ethernet LAN
Yes
Packaging content1
Cables included
SATA
Packaging data3
Package depth
263 mm
Package height
51.5 mm
Package width
270 mm
Rear panel I/O ports1
PS/2 ports quantity
1
Storage controllers6
Number of HDDs supported
4
Number of storage drives supported
6
RAID levels
0, 1, 5, 10
RAID support
Yes
Supported storage drive interfaces
M.2, SATA III
Supported storage drive types
HDD & SSD
Weight & dimensions2
Depth
222 mm
Width
244 mm
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