ASUS

ASUS B860M MAX Gaming AX Motherboard LGA1851 Micro-ATX DDR5 Wi-Fi

Maximum resolution3840 x 2160
Processor manufacturerIntel
Maximum internal memory256 GB
Number of HDDs supported4
Power source typeATX
RAID levels0/1/10/5

The ASUS B860M MAX Gaming AX is a Micro-ATX Intel motherboard built around the Intel B860 chipset and LGA1851 socket , designed to get the most out of Intel Core Ultra Series 2 processors with a stable, high-current power delivery system and modern connectivity built in.

Description

Compact Form, Serious Expandability

LGA1851 socket with Intel B860 chipset — fully compatible with Intel Core Ultra Series 2 CPUs
4 DDR5 memory slots for high-bandwidth, next-generation RAM configurations
3 M.2 slots for fast NVMe storage without sacrificing PCIe lanes
Integrated Wi-Fi for wireless connectivity straight out of the box
Micro-ATX form factor keeps builds compact while retaining full expansion options

A strong fit for gamers, home office builders and PC enthusiasts who want an Intel Core Ultra Series 2 platform in a smaller chassis — without giving up storage capacity, memory headroom or wireless networking.

Specifications

General

Brand	ASUS
Product colour	Grey
Line-in	Yes
BIOS type	UEFI AMI
Component for	PC
BIOS memory size	256
Unbuffered memory	Yes
ECC сompatibility	ECC & Non-ECC
RGB LED pin header	Yes
Number of memory slots	4
Motherboard form factor	micro ATX
Number of M.2 (M) slots	3
1st M.2 largest key size	2280
2nd M.2 largest key size	2280
3rd M.2 largest key size	2280
Quick installation guide	Yes
Number of RGB LED pin headers	3
PCI Express x16 (Gen 4.x) slots	3
PCI Express x16 (Gen 5.x) slots	1
1st M.2 highest PCI Express generation	5.0
2nd M.2 highest PCI Express generation	4.0
3rd M.2 highest PCI Express generation	4.0
EAN	4711387831694

Display

Maximum resolution	3840 x 2160

Processor

Processor manufacturer	Intel
Motherboard chipset	Intel B860
Processor socket	LGA 1851 (Socket V1)
CPU fan connector	Yes
Motherboard chipset family	Intel
Compatible processor series	Intel Core Ultra (Series 2)
Supported processor sockets	LGA 1851
Number of CPU fan connectors	1

Memory

Maximum internal memory	256 GB
Memory channels	Dual-channel
Memory slots type	DIMM
Maximum internal memory per slot	64

Storage

Number of HDDs supported	4
Supported storage drive types	HDD & SSD
Number of storage drives supported	7
Supported storage drive interfaces	PCI Express 4.0, PCI Express 5.0

Audio

Microphone in	Yes
Audio output channels	7.1
Front panel audio connector	Yes

Ports

USB 2.0 ports quantity	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4
Ethernet LAN	Yes
Ethernet LAN (RJ-45) ports	1
TPM connector	Yes
USB 2.0 connectors	3
12V power connector	Yes
DisplayPort version	1.4
S/PDIF out connector	Yes
WiFi-AP antenna jack	2
DisplayPorts quantity	1
Front panel connector	Yes
Ethernet interface type	2.5 Gigabit Ethernet
Chassis intrusion connector	Yes
EPS power connector (8-pin)	Yes
ATX Power connector (24-pin)	Yes
Number of SATA III connectors	4
Number of water pump connectors	1
Number of chassis fan connectors	4
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	1
USB 3.2 Gen 2x2 Type-C ports quantity	1
Number of EPS power connectors (8-pin)	1