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ASUS PRIME B860M-K
ASUS · Motherboard

ASUS PRIME B860M-K

B860 · LGA1851 (Socket V1) · mATX · DDR5

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  • Chipset B860
  • Form factor mATX
  • Memory slots 2
  • Max memory 128 GB
  • Socket LGA1851 (Socket V1)
  • Memory type DDR5

ASUS PRIME B860M-K is a mATX and B860 chipset motherboard for LGA1851 (Socket V1) processors and DDR5 memory. It came out in 2024.

Released
2024-12-10
Socket
LGA1851 (Socket V1)

Specifications

Key specs

Chipset
B860
Form factor
mATX
Memory slots
2
Max memory
128 GB
Socket
LGA1851 (Socket V1)
Memory type
DDR5
Released
2024-12-10
Part number
90MB1JT0-M0EAY0
EAN / UPC
4711387808498

Processor

Processor manufacturer
Intel
Processor socket
LGA 1851 (Socket V1)
Compatible processor series
Intel Core Ultra (Series 2)
Supported processor sockets
LGA 1851

Memory

Supported memory types
DDR5-SDRAM
Number of memory slots
2
Memory slots type
DIMM
Memory channels
Dual-channel
ECC сompatibility
Non-ECC
Maximum internal memory
128 GB
Unbuffered memory
Yes
View all specifications +9 more sectionsShow fewer specifications

Storage controllers

Supported storage drive types
HDD & SSD
Supported storage drive interfaces
M.2, SATA III
Number of HDDs supported
4
Number of storage drives supported
6
RAID support
Yes
RAID levels
0, 1, 5, 10

Graphics

Parallel processing technology support
Not supported

Internal I/O

USB 2.0 connectors
2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
2
Number of SATA III connectors
4
S/PDIF out connector
Yes
Front panel audio connector
Yes
Front panel connector
Yes
ATX Power connector (24-pin)
Yes
CPU fan connector
Yes
Number of chassis fan connectors
2
Number of COM connectors
1
TPM connector
Yes
12V power connector
Yes
RGB LED pin header
Yes

Rear panel I/O ports

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
Ethernet LAN (RJ-45) ports
1
PS/2 ports quantity
1
HDMI ports quantity
1
DisplayPorts quantity
1

Network

Ethernet LAN
Yes
Ethernet interface type
2.5 Gigabit Ethernet
Top Wi-Fi standard
Not available

Features

Motherboard chipset
Intel B860
Audio output channels
7.1 channels
Component for
PC
Motherboard form factor
micro ATX
Motherboard chipset family
Intel
Windows operating systems supported
Windows 10 x64, Windows 11

Expansion slots

PCI Express x1 (Gen 4.x) slots
2
PCI Express x16 (Gen 4.x) slots
1
Number of M.2 (M) slots
2
1st M.2 largest key size
2280
1st M.2 highest PCI Express generation
5.0
2nd M.2 largest key size
2280
2nd M.2 highest PCI Express generation
4.0

BIOS

BIOS type
UEFI AMI
BIOS memory size
256 Mbit

Weight & dimensions

Width
244 mm
Depth
222 mm

Check the manufacturer's page before buying.

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Compatible processors

LGA1851 (Socket V1) socket

None in the catalog yet.

Compatible memory

DDR5

About this product

B860M-K

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.

User manual (PDF)

PRIME B860M-K vs similar motherboards

ASUS PRIME B860M-KASUS B860M AYW GAMING WIFIMSI PRO B860M-EGigabyte B860M E GEN5 Motherboard Intel Core Ultra Series CPUs
ChipsetB860B860B860B860
Form factormATXmATXmATXmATX
Memory slots2222
Max memory128 GB128 GB128 GB128 GB
SocketLGA1851 (Socket V1)LGA1851 (Socket V1)LGA1851 (Socket V1)LGA1851 (Socket V1)
Memory typeDDR5DDR5DDR5DDR5
Released2024202520262026

Questions about the PRIME B860M-K

What are the main specs of the ASUS PRIME B860M-K?

B860, LGA1851 (Socket V1), mATX, DDR5, 2 RAM slots.

Which chipset does the ASUS PRIME B860M-K use?

B860.

What form factor is the ASUS PRIME B860M-K?

mATX.

Which socket does the ASUS PRIME B860M-K use?

LGA1851 (Socket V1).

When did the ASUS PRIME B860M-K come out?

It was released in 2024/12 (ASUS).

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