ASUS B860M MAX GAMING AX

B860 · LGA1851 (Socket V1) · mATX · DDR5

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Chipset B860
Form factor mATX
Memory slots 4
Max memory 256 GB
Socket LGA1851 (Socket V1)
Memory type DDR5

ASUS B860M MAX GAMING AX is a mATX and B860 chipset motherboard for LGA1851 (Socket V1) processors and DDR5 memory. It came out in 2025.

Released: 2025-04-11
Socket: LGA1851 (Socket V1)

Specifications

Key specs

Chipset: B860
Form factor: mATX
Memory slots: 4
Max memory: 256 GB
Socket: LGA1851 (Socket V1)
Memory type: DDR5
Released: 2025-04-11
Part number: 90MB1JZ0-M0EAY0
EAN / UPC: 4711387831694

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: 4
Memory slots type: DIMM
Memory channels: Dual-channel
ECC сompatibility: ECC & Non-ECC
Supported memory clock speed (max): 8666 MHz
Maximum internal memory: 256 GB
Unbuffered memory: Yes
Maximum internal memory per slot: 64 GB

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Storage controllers

Supported storage drive types: HDD & SSD
Supported storage drive interfaces: PCI Express 4.0, PCI Express 5.0
Number of HDDs supported: 4
Number of storage drives supported: 7
RAID support: Yes
RAID levels: 0, 1, 5, 10

Graphics

Parallel processing technology support: Not supported
Maximum resolution: 3840 x 2160 pixels

Internal I/O

USB 2.0 connectors: 3
USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1
USB 3.2 Gen 2 (3.1 Gen 2) connectors: 1
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 CPU fan connectors: 1
Number of chassis fan connectors: 4
Chassis intrusion connector: Yes
EPS power connector (8-pin): Yes
Number of EPS power connectors (8-pin): 1
TPM connector: Yes
12V power connector: Yes
Number of water pump connectors: 1
RGB LED pin header: Yes
Number of RGB LED pin headers: 3

Rear panel I/O ports

USB 2.0 ports quantity: 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
USB 3.2 Gen 2x2 Type-C ports quantity: 1
Ethernet LAN (RJ-45) ports: 1
DisplayPorts quantity: 1
DisplayPort version: 1.4
Line-in: Yes
Microphone in: Yes
WiFi-AP antenna jack: 2

Network

Ethernet LAN: Yes
Ethernet interface type: 2.5 Gigabit Ethernet
Wi-Fi: Yes
Top Wi-Fi standard: Wi-Fi 6 (802.11ax)
Wi-Fi standards: Wi-Fi 6 (802.11ax)
Bluetooth: Yes
Bluetooth version: 5.3

Features

Motherboard chipset: Intel B860
Audio output channels: 7.1 channels
Product colour: Grey
Component for: PC
Motherboard form factor: micro ATX
Motherboard chipset family: Intel
Cooling type: Passive
Power source type: ATX
Windows operating systems supported: Windows 10 x64, Windows 11

Expansion slots

PCI Express x16 (Gen 4.x) slots: 3
PCI Express x16 (Gen 5.x) slots: 1
Number of M.2 (M) slots: 3
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
3rd M.2 largest key size: 2280
3rd M.2 highest PCI Express generation: 4.0

BIOS

BIOS type: UEFI AMI
BIOS memory size: 256 Mbit

Weight & dimensions

Width: 244 mm
Depth: 244 mm

Other features

Quick installation guide: Yes

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

Kingston FURY Beast 32GB (2x16) DDR5-6000 CL3632 GB (2x16) · DDR5
ADATA XPG Lancer RGB 32GB (2x16) DDR5-6000 CL3032 GB (2x16) · DDR5
Klevv Cras V RGB32 GB (2x16) · DDR5
Klevv 32GB (2X16GB) 6400MHz CL32 DDR5 GAMING RAM MODULE 32-38-38-78 1.35V URBANE V RGB BLACK KIT32 GB (2x16) · DDR5
Klevv Bolt V32 GB (2x16) · DDR5
Klevv Fit V16 GB (1x16) · DDR5
Kingston 64GB 5200MT/s DDR5 CL36 DIMM (Kit of 2) FURY Beast Black EXPO64 GB (2x32) · DDR5
VeloxStor 7011-DDR, 16 GB, DDR5, 4800 MT/s, 288-pin UDIMM16 GB (1x16) · DDR5

About this product

ASUS B860 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 B860M MAX GAMING AX 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 the functionality and advanced features of ASUS motherboards in a simple and straightforward way. Performance Robust power design Stable power is crucial for maximizing the performance of Intel® Core™ Ultra Processors (Series 2). The B860M MAX GAMING AX is designed to meet the needs of high-core-count CPUs. It features 6(80A) + 1(80A) + 1(80A) + 1(80A) power stages that integrate high-side and low-side MOSFETs and drivers into packages rated for up to 80 amperes each.

User manual (PDF)

B860M MAX GAMING AX vs similar motherboards

	ASUS B860M MAX GAMING AX	ASUS PRO B860M-C-CSM	ASUS PRO B860M-CT-CSM	ASUS PRIME B860M-A WIFI-CSM
Chipset	B860	B860	B860	B860
Form factor	mATX	mATX	mATX	mATX
Memory slots	4	4	4	4
Max memory	256 GB	256 GB	256 GB	256 GB
Socket	LGA1851 (Socket V1)	LGA1851 (Socket V1)	LGA1851 (Socket V1)	LGA1851 (Socket V1)
Memory type	DDR5	DDR5	DDR5	DDR5
Released	2025	2025	2025	2025