ASUS B850M MAX GAMING WIFI AMD AM5 SOCKET MAX 256GB DDR5 W10/11 MATX

Model

B850M MAX GAMING WIFI

CPU

• AMD Socket AM5

• Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors

• Refer to ASUS support site for full CPU support list

Chipset

• AMD B850

Memory

• 4 × DIMM slots

• Max capacity: 256GB DDR5

• Supports DDR5 up to 8000+ MT/s (OC)

• Dual-channel memory architecture

• ECC & Non-ECC Unbuffered DIMMs

• AMD EXPO™ support

• ASUS AEMP (Enhanced Memory Profile)

Memory speed and compatibility depend on CPU and configuration
Non-ECC DDR5 supports On-Die ECC

Graphics

• 1 × DisplayPort 1.4 (up to 8K @ 30Hz)

• 1 × HDMI™ 2.1 (up to 4K @ 60Hz)

Graphics output depends on CPU

Expansion Slots

Ryzen™ 9000 / 7000 Series

• 1 × PCIe 5.0 x16 (x16 mode)

• 3 × PCIe 4.0 x16 (x1 mode)

Ryzen™ 8000 Series

• 1 × PCIe 4.0 x16 (x8/x4 mode)

• 3 × PCIe 4.0 x16 (x1 mode)

PCIe configuration varies by CPU

Storage

• 3 × M.2 slots

• 4 × SATA 6Gb/s ports

M.2 Configuration

• M.2_1 (Key M, 2280)

  • Ryzen 9000 / 7000: PCIe 5.0 x4

  • Ryzen 8000: PCIe 4.0 x4

• M.2_2 (Key M, 2242/2260/2280) — PCIe 4.0 x4 (Chipset)

• M.2_3 (Key M, 2242/2260/2280) — PCIe 4.0 x2 (Chipset)

RAID Support (AMD RAIDXpert2)

• Ryzen 9000: RAID 0 / 1 / 5 / 10

• Ryzen 8000: RAID 0 / 1

• Ryzen 7000: RAID 0 / 1 / 10

Networking

Wired

• Realtek 1Gb Ethernet

• ASUS LANGuard

Wireless

• Wi-Fi 6 (802.11ax), 1×1

• 2.4GHz / 5GHz

• Bluetooth® 5.4

USB

Rear USB (9 ports total)

• 2 × USB 10Gbps (1 × Type-A, 1 × Type-C®)

• 2 × USB 5Gbps (Type-A)

• 5 × USB 2.0 (Type-A)

Front USB (via headers, 9 ports total)

• 1 × USB 5Gbps Type-C®

• 2 × USB 5Gbps headers (4 ports)

• 2 × USB 2.0 headers (4 ports)

USB-C power delivery: up to 5V / 3A

Audio

• Realtek 7.1 Surround Sound HD Audio CODEC

• Supports up to 24-bit / 192kHz playback

• Jack detection, multi-streaming, front panel retasking

Audio Features

• Audio shielding

• Premium audio capacitors

• Dedicated audio PCB layers

Front HD audio module required for 7.1 output

Back Panel I/O

• 2 × USB 10Gbps (Type-A + Type-C®)

• 2 × USB 5Gbps (Type-A)

• 5 × USB 2.0

• 1 × DisplayPort

• 1 × HDMI™

• 1 × Wi-Fi antenna connector

• 1 × 1Gb Ethernet

• 3 × Audio jacks

• 1 × BIOS FlashBack™ button

Internal I/O Connectors

Cooling

• 1 × CPU Fan

• 1 × CPU OPT Fan

• 1 × AIO Pump

• 4 × Chassis Fan headers

Power

• 1 × 24-pin ATX

• 1 × 8-pin CPU power

• 1 × 4-pin CPU power

Storage

• 3 × M.2 slots

• 4 × SATA 6Gb/s ports

USB

• 1 × USB 5Gbps Type-C® header

• 2 × USB 5Gbps headers

• 2 × USB 2.0 headers

Miscellaneous

• 3 × Addressable RGB Gen 2 headers

• Clear CMOS header

• Chassis intrusion

• COM port header

• Front panel audio

• S/PDIF out

• SPI TPM header

• System panel header

Special Features

ASUS 5X Protection III

• DIGI+ VRM

• LANGuard

• Overvoltage protection

• SafeSlot

• Stainless-steel back I/O

ASUS Q-Design

• Q-Dashboard

• Q-DIMM

• Q-LED Core

• Q-Slot

ASUS EZ DIY

• BIOS FlashBack™

• Pre-mounted I/O shield

• SafeSlot

Aura Sync

• Addressable RGB Gen 2

Software

• Armoury Crate

  • Aura Sync / Creator

  • Fan Xpert 2+

• ASUS AI Advisor

• ASUS Driver Hub

• ASUS GlideX

• TurboV Core

• ASUS CPU-Z

• Norton 360 Deluxe (60-day trial)

• WinRAR (40-day trial)

BIOS

• 256Mb Flash ROM

• UEFI AMI BIOS

• ASUS EZ Flash 3

• ASUS CrashFree BIOS 3

• EZ Mode & MyHotkey

Manageability

• Wake-on-LAN (PME)

• PXE

Accessories

• 2 × SATA 6Gb/s cables

• ASUS Wi-Fi moving antenna

• M.2 screw kits

• Quick start guide

Operating System

• Windows® 11

• Windows® 10 (64-bit)

Form Factor

• Micro-ATX

• 9.6 × 9.6 in (24.4 × 24.4 cm)