ASUS PRIME B860M-K Intel LGA 1851 Socket V1 Intel Core Ultra Series 2 LGA 1851 D 90MB1JT0-M0EAY0

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.

Processor


Processor socket

LGA 1851 (Socket V1)


Compatible processor series

Intel Core Ultra (Series 2)


Supported processor sockets

LGA 1851


Processor manufacturer

Intel



Memory


Supported memory types

DDR5-SDRAM


Unbuffered memory

Yes


ECC ompatibility

Non-ECC


Number of memory slots

2


Maximum internal memory
8 GB


Memory slots type

DIMM


Memory channels

Dual-channel



Rear panel I/O ports


HDMI ports quantity

1


USB 3?2 Gen 1 (3?1 Gen 1) Type-A ports quantity

2


DisplayPorts quantity

1


Ethernet LAN (RJ-45) ports

1


USB 3?2 Gen 2 (3?1 Gen 2) Type-A ports quantity

1


PS/2 ports quantity

1


USB 2?0 ports quantity

2



Internal I/O


USB 2?0 connectors

2


USB 3?2 Gen 1 (3?1 Gen 1) connectors

2


CPU fan connector

Yes

V power connector

Yes


Front panel connector

Yes


TPM connector

Yes


Front panel audio connector

Yes


ATX Power connector (24-pin)

Yes


S/PDIF out connector

Yes


Number of COM connectors

1


Number of SATA III connectors

4


Number of chassis fan connectors

2


RGB LED pin header

Yes



Graphics


Parallel processing technology support

Not supported



Weight & dimensions


Width

244 mm


Depth

222 mm



BIOS


BIOS type

UEFI AMI


BIOS memory size

256 Mbit



Packaging content


Cables included

SATA



Storage controllers


Supported storage drive types

HDD & SSD


Number of storage drives supported

6


RAID support

Yes


RAID levels

0, 1, 5, 10


Supported storage drive interfaces

M.2, SATA III


Number of HDDs supported

4



Network


Wi-Fi

No


Ethernet LAN

Yes


Ethernet interface type

2.5 Gigabit Ethernet



Expansion slots


Number of M?2 (M) slots

2


1st M?2 largest key size

2280


2nd M?2 largest key size

2280


2nd M?2 highest PCI Express generation

4.0


1st M?2 highest PCI Express generation

5.0


PCI Express x16 (Gen 4?x) slots

1


PCI Express x1 (Gen 4?x) slots

2



Features


Motherboard chipset

Intel B860


Windows operating systems supported

Windows 10 x64, Windows 11


Motherboard chipset family

Intel


Component for

PC


Audio output channels

7.1 channels


Motherboard form factor

micro ATX



Packaging data


Package height

51.5 mm


Package depth

263 mm


Package width

270 mm


Package weight

1.07 kg