PRIME B840-PLUS WIFI

News & Updates

Socket AM5

Please visit our GLOBAL website to check and download the latest updates.

CPU

AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*

* Refer to https://www.asus.com/support/download-center/ for CPU support list.

Chipset

AMD B840 Chipset

Memory

4 x DIMM slots, max. 256GB, DDR5 Supports up to 7600+MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC Un-buffered DIMM*

Dual channel memory architecture

Supports AMD Extended Profiles for Overclocking (EXPO™)

ASUS Enhanced Memory Profile (AEMP)

* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.

* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.

Graphics

1 x DisplayPort**

1 x HDMI™ port***  

* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.

** Supports max. 8K@30Hz as specified in DisplayPort 1.4.

*** Supports 4K@60Hz as specified in HDMI 2.1.

Expansion Slots

AMD Ryzen™ 9000 & 7000 Series Desktop Processors*

1 x PCIe 4.0 x16 slot (supports x16 mode)

AMD Ryzen™ 8000 Series Desktop Processors

1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**

AMD B840 Chipset

1 x PCIe 3.0 x16 slot (support x4 mode)***

2 x PCIe 3.0 x16 slots (support x1 mode)***

1 x PCIe 3.0 x1 slot***

* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).

** Specifications vary by CPU types.

*** The PCIEX16(G3)_1/3 and PCIEX1(G3) share bandwidth with PCIEX16(G3)_2. The PCIEX16(G3)_2 will run x1 mode when any of the PCIEX16(G3)_1/3 and PCIEX1(G3) slots is occupied.

- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported peripherals.

Storage

Supports 3 x M.2 slots and 4 x SATA 6Gb/s ports

AMD Ryzen™ 9000 & 7000 Series Desktop Processors

M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)

M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)

AMD Ryzen™ 8000 Series Desktop Processors

M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)

M.2_2 slot (Key M), type 2280 (supports PCIe 4.0 x4/x2 mode)*

AMD B840 Chipset

M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 mode

4 x SATA 6Gb/s ports

* Specifications vary by CPU types.

AMD RAIDXpert2 Technology

Ryzen™ 9000 Series Processors: RAID 0/1/5/10

Ryzen™ 8000 Series Processors: RAID 0/1

Ryzen™ 7000 Series Processors: RAID 0/1/10

Ethernet

1 x Realtek 2.5Gb Ethernet

ASUS LANGuard

Wireless & Bluetooth

"Wi-Fi 6E

2x2 Wi-Fi 6E (802.11ax)

Supports 2.4/5/6GHz frequency band*

Bluetooth® v5.3**

* WiFi 6E 6GHz regulatory may vary between countries, supported only in Windows 11 or later.

** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications."

USB

Rear USB (Total 8 ports)

2 x USB 10Gbps port(s) (1 x Type-A + 1 x USB Type-C®)

2 x USB 5Gbps ports (2 x Type-A)

4 x USB 2.0 ports (4 x Type-A)

Front USB (Total 7 ports)

1 x USB 5Gbps connector (supports USB Type-C®)

1 x USB 5Gbps header supports 2 additional USB 5Gbps ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

* USB Type-C® power delivery output: max. 5V/3A

Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC*

- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking

- Supports up to 24-Bit/192 kHz playback

Audio Features

- Audio Shielding

- Premium audio capacitors

- Dedicated audio PCB layers

* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.

Back Panel I/O Ports

1 x USB 10Gbps port (1 x USB Type-C®)

1 x USB 10Gbps port (1 x Type-A)

2 x USB 5Gbps ports (2 x Type-A)

4 x USB 2.0 ports (4 x Type-A)

1 x DisplayPort

1 x HDMI™ port

1 x Wi-Fi module

1 x Realtek 2.5Gb Ethernet port

3 x Audio jacks

1 x BIOS FlashBack™ button

Internal I/O Connectors

Fan and Cooling Related

1 x 4-pin CPU Fan header

1 x 4-pin CPU OPT Fan header

1 x 4-pin AIO Pump header

4 x 4-pin Chassis Fan header

Power Related

1 x 24-pin Main Power connector

1 x 8-pin +12V CPU Power connectors

1 x 4-pin +12V CPU Power connectors

Storage Related

3 x M.2 slots (Key M)

4 x SATA 6Gb/s ports

USB

1 x USB 5Gbps connector (supports USB Type-C® )

1 x USB 5Gbps header supports 2 additional USB 5Gbps ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Miscellaneous

3 x Addressable Gen 2 headers

1 x Clear CMOS header

1 x Chassis Intrusion header

1 x COM Port header

1 x Front Panel Audio header (F_AUDIO)

1 x S/PDIF Out header

1 x SPI TPM header (14-1 pin)

1 x 10-1 pin System Panel header

1 x Thunderbolt™ (USB4®) header

Special Features

ASUS 5X PROTECTION III

- DIGI+ VRM

- LANGuard

- Overvoltage protection

- SafeSlot core+

- Stainless-steel back I/O

ASUS Q-Design

- Q-Antenna

- Q-Dashboard

- Q-DIMM

- Q-LED Core

- Q-Slot

ASUS Thermal Solution

- Flexible M.2 heatsink

- VRM heatsink design

ASUS EZ DIY

- BIOS FlashBack™ button

- BIOS FlashBack™ LED

- Pre-mounted I/O shield

- SafeSlot core+

Aura Sync

- Addressable Gen 2 headers

Software Features

ASUS Exclusive Software

Armoury Crate

- Aura Creator

- Aura Sync

- Fan Xpert 2+

- Power Saving

ASUS Driver Hub

ASUS GlideX

TurboV Core

ASUS CPU-Z

Adobe Creative Cloud (Free Trial)

Norton 360 Deluxe (60 Days Free Trial)

WinRAR (40 Days Free Trial)

UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

- ASUS MyHotkey

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Manageability

WOL by PME, PXE

Accessories

Cables

2 x SATA 6Gb/s cables

Miscellaneous

1 x ASUS WiFi Q-Antenna

1 x M.2 rubber packages

3 x Screw packages for M.2 SSD

Documentation

1 x Quick start guide

Operating System

Windows® 11, Windows® 10 64-bit

Form Factor

ATX Form Factor

12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

B850M MAX GAMING WIFI

News & Updates

• Please visit our GLOBAL website to check and download the latest updates.

CPU

• AMD Socket AM5 for AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
  Refer to CPU support list.

Chipset

• AMD B850 Chipset

Memory

• 4 x DIMM slots, max. 256GB, DDR5

• Supports up to 8000+ MT/s (OC) with Ryzen™ 9000 / 8000 / 7000 Series

• ECC and Non-ECC Un-buffered DIMM*

• Dual channel memory architecture

• Supports AMD EXPO™

• ASUS Enhanced Memory Profile (AEMP)

Note: Supported memory types, speeds, and modules depend on CPU and memory configuration. See Memory Support List. Non-ECC un-buffered DDR5 supports On-Die ECC.

Graphics

• 1 x DisplayPort** (Supports up to 8K@30Hz, DisplayPort 1.4)

• 1 x HDMI™ port*** (Supports up to 4K@60Hz, HDMI 2.1)

Graphics output varies by CPU. Refer to AMD specifications.

Expansion Slots

Ryzen™ 9000 & 7000 Series:

• 1 x PCIe 5.0 x16 slot (x16 mode)

• 3 x PCIe 4.0 x16 slots (x1 mode)

Ryzen™ 8000 Series:

• 1 x PCIe 4.0 x16 slot (x8/x4 mode)*

• 3 x PCIe 4.0 x16 slots (x1 mode)

See PCIe bifurcation support.

Storage

• 3 x M.2 slots

  • M.2_1:

    • Ryzen™ 9000 / 7000: PCIe 5.0 x4 (Type 2280)

    • Ryzen™ 8000: PCIe 4.0 x4 (Type 2280)*

  • M.2_2: PCIe 4.0 x4 (Type 2242/2260/2280)

  • M.2_3: PCIe 4.0 x2 (Type 2242/2260/2280)

• 4 x SATA 6Gb/s ports

• AMD RAIDXpert2 Technology:

  • Ryzen™ 9000: RAID 0/1/5/10

  • Ryzen™ 8000: RAID 0/1

  • Ryzen™ 7000: RAID 0/1/10

Ethernet

• 1 x Realtek 1Gb Ethernet

• ASUS LANGuard

Wireless & Bluetooth

• 1x1 Wi-Fi 6 (802.11ax), dual band (2.4/5GHz)

• Bluetooth® v5.4*

Bluetooth version may vary by module manufacturer.

USB

Rear USB (9 ports total):

• 2 x USB 10Gbps (1 x Type-A + 1 x Type-C®)

• 2 x USB 5Gbps (2 x Type-A)

• 5 x USB 2.0 (Type-A)

Front USB (9 ports total):

• 1 x USB 5Gbps (Type-C® connector)

• 2 x USB 5Gbps headers (supports 4 USB 5Gbps ports)

• 2 x USB 2.0 headers (supports 4 USB 2.0 ports)

USB Type-C® power delivery: Max 5V/3A

Audio

• Realtek 7.1 Surround Sound High Definition Audio CODEC*

  • Jack detection, multi-streaming, front panel retasking

  • Up to 24-bit / 192 kHz playback

• Audio Features:

  • Audio shielding

  • Premium audio capacitors

  • Dedicated PCB audio layers

Requires HD audio module chassis for 7.1 surround support.

Back Panel I/O Ports

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

• 2 x USB 5Gbps (Type-A)

• 5 x USB 2.0 (Type-A)

• 1 x DisplayPort

• 1 x HDMI™ port

• 1 x Wi-Fi module

• 1 x Realtek 1Gb Ethernet

• 3 x Audio jacks

• 1 x BIOS FlashBack™ button

Internal I/O Connectors

Fan & Cooling:

• 1 x 4-pin CPU Fan header

• 1 x 4-pin CPU OPT Fan header

• 1 x 4-pin AIO Pump header

• 4 x 4-pin Chassis Fan headers

Power:

• 1 x 24-pin Main Power connector

• 1 x 8-pin +12V CPU Power connector

• 1 x 4-pin +12V CPU Power connector

Storage:

• 3 x M.2 slots (Key M)

• 4 x SATA 6Gb/s ports

USB:

• 1 x USB 5Gbps (Type-C®)

• 2 x USB 5Gbps headers (4 ports)

• 2 x USB 2.0 headers (4 ports)

Miscellaneous:

• 3 x Addressable RGB Gen 2 headers

• 1 x Clear CMOS header

• 1 x Chassis Intrusion header

• 1 x COM Port header

• 1 x Front Panel Audio header

• 1 x S/PDIF Out header

• 1 x SPI TPM header (14-1 pin)

• 1 x 10-1 pin 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 Thermal Solution:

• VRM Heatsink Design

ASUS EZ DIY:

• BIOS FlashBack™ button & LED

• Pre-mounted I/O Shield

• SafeSlot

Aura Sync:

• Addressable RGB Gen 2 headers

Software Features

ASUS Exclusive Software:

• Armoury Crate

  • Aura Creator

  • Aura Sync

  • Fan Xpert 2+

• ASUS AI Advisor

• ASUS Driver Hub

• ASUS GlideX

• TurboV Core

• ASUS CPU-Z

Included Trials:

• Norton 360 Deluxe (60-day)

• WinRAR (40-day)

UEFI BIOS

• ASUS EZ DIY

  • ASUS CrashFree BIOS 3

  • ASUS EZ Flash 3

  • ASUS UEFI BIOS EZ Mode

  • ASUS MyHotkey

BIOS

• 256 Mb Flash ROM, UEFI AMI BIOS

Manageability

• WOL by PME, PXE

Accessories

Cables:

• 2 x SATA 6Gb/s cables

Miscellaneous:

• 1 x ASUS Wi-Fi moving antenna

• 2 x M.2 SSD screw packages

Documentation:

• 1 x Quick Start Guide

Operating System

• Windows® 11 / Windows® 10 64-bit

Form Factor

• mATX (Micro ATX)

• 9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)

Chipset AMD B850

CPU

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

Socket AM5

Memory

4x DDR5 UDIMM, Maximum Memory Capacity 256GB

Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s

Ryzen™ 9000 Series Processors max. overclocking frequency:

• 1DPC 1R Max speed up to 8200+ MT/s

• 1DPC 2R Max speed up to 6400+ MT/s

• 2DPC 1R Max speed up to 6400+ MT/s

• 2DPC 2R Max speed up to 6000+ MT/s

Supports AMD POR Speed and JEDEC Speed

Supports Memory Overclocking and AMD EXPOTM

Supports Dual-Channel mode

Supports Non-ECC, Un-buffered memory

Supports CUDIMM, Clock Driver bypass mode only*

* CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility.

• The DIMM slots on this motherboard have double-sided latches.

• Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.

Onboard Graphics 1x HDMI™

Support HDMITM 2.1, maximum resolution of 4K 60Hz*

*Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.

Slot

4x PCI-E x16 slot

PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)

PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)

PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)

PCI_E4 Gen PCIe 3.0 supports up to x1 (From Chipset)

PCI_E1 slot

• Supports PCIe 5.0 x16 (For Ryzen™ 9000/ 7000 Series processors)

• Supports PCIe 4.0 x8 (For Ryzen™ 8700/ 8600/ 8400 Series processors)

• Supports PCIe 4.0 x4 (For Ryzen™ 8500/ 8300 Series processor)

* PCI_E2, PCI_E3 & PCI_E4 share the bandwidth, PCI_E3 slot will run at x2 speed when installing devices in the PCI_E2 or PCI_E4 slot.

Audio

Realtek® ALC897

7.1-Channel High Definition Audio

Storage

3x M.2

M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices

M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 22110/2280 devices

M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , supports 2280/2260 devices

4x SATA 6G

M2_1 slot

• Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors)

• Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors)

M2_2 slot

• Supports up to PCIe 4.0 x4 (For Ryzen™ 9000/ 7000 Series processors)

• Supports up to PCIe 3.0 x4 (For Ryzen™ 8700/ 8600/ 8400 Series processors)

• Supports up to PCIe 3.0 x2 (For Ryzen™ 8500/ 8300 Series processors)

*Please refer to the manual for M.2 SSD heatsink restrictions.

RAID Supports RAID 0 and RAID 1 for SATA storage devices

Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

USB 4x USB 2.0 (Rear)

4x USB 2.0 (Front)

1x USB 5Gbps Type A (Rear)

4x USB 5Gbps Type A (Front)

1x USB 5Gbps Type C (Front)

1x USB 10Gbps Type A (Rear)

2x USB 10Gbps Type C (Rear)

LAN Realtek® 8126VB 5G LAN

Internal IO

1x Power Connector(ATX_PWR)

2x Power Connector(CPU_PWR)

1x Power Connector(PCIE_PWR 8pin)

1x CPU Fan

1x Combo Fan (Pump_Sys Fan)

4x System Fan

2x Front Panel (JFP)

1x Chassis Intrusion (JCI)

1x Front Audio (JAUD)

1x Com Port (JCOM)

1x Tuning Controller connector(JDASH)

3x Addressable V2 RGB LED connector (JARGB_V2)

1x RGB LED connector(JRGB)

1x TPM pin header(Support TPM 2.0)

4x USB 2.0 ports

4x USB 5Gbps Type A ports

1x USB 5Gbps Type C ports

WIRELESS LAN & BLUETOOTH

Wi-Fi 7

The Wireless module is pre-installed in the M.2 (Key-E) slot

Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (320MHz) up to 5.8Gbps

Supports 802.11 a/ b/ g/ n/ ac/ ax/ be

Supports Bluetooth® 5.4**, MLO, 4KQAM

* 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2.

** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2.

LED FEATURE 4x EZ Debug LED

1x EZ Memory Detection LED

BACK PANEL PORTS

Clear CMOS Button

USB 10Gbps Type-A

USB 2.0

5G LAN

Wi-Fi / Bluetooth

Audio connectors

Flash BIOS Button

HDMI™

USB 10Gbps Type-C

USB 5Gbps Type-A

USB 10Gbps Type-C

S/PDIF OUT

OPERATING SYSTEM Support for Windows® 11 64-bit

Model

B850 MAX GAMING WIFI W

News & Updates

• Please visit the ASUS Global Website to check and download the latest updates.

CPU

• AMD Socket AM5 for AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
  (Refer to CPU support list for details)

Chipset

• AMD B850 Chipset

Memory

• 4 x DIMM slots, max. 256GB, DDR5

• Supports up to 8000+ MT/s (OC) with Ryzen™ 9000 / 8000 / 7000 Series

• ECC and Non-ECC Un-buffered DIMM*

• Dual channel memory architecture

• Supports AMD Extended Profiles for Overclocking (EXPO™)

• ASUS Enhanced Memory Profile (AEMP)

Memory support varies by CPU and memory configuration. Visit the ASUS support site for more information.

Graphics

• 1 x DisplayPort
  (Supports up to 8K@30Hz, DisplayPort 1.4)

• 1 x HDMI™ port
  (Supports up to 4K@60Hz, HDMI 2.1)

Graphics specifications vary by CPU. Refer to AMD CPU specs.

Expansion Slots

With Ryzen™ 9000 / 7000 Series:

• 1 x PCIe 5.0 x16 slot (x16 mode)

With Ryzen™ 8000 Series:

• 1 x PCIe 4.0 x16 slot (x8/x4 mode)*

AMD B850 Chipset:

• 1 x PCIe 4.0 x16 slot (x4 mode)

• 2 x PCIe 3.0 x16 slots (x1 mode)**

See PCIe bifurcation table for compatibility.
PCIEX16(G3)_1/2 shares bandwidth with SATA6G_1/2 — these SATA ports are disabled when either PCIEX16(G3) slot is used.

Storage

• M.2 Slots (3 total):

With Ryzen™ 9000 / 7000 Series:

• M.2_1: 2280 (PCIe 5.0 x4)

• M.2_2: 2280 (PCIe 4.0 x4)

With Ryzen™ 8000 Series:

• M.2_1: 2280 (PCIe 4.0 x4)

• M.2_2: 2280 (PCIe 4.0 x4/x2)*

AMD B850 Chipset:

• M.2_3: 2242/2260/2280/22110 (PCIe 4.0 x2)

• 4 x SATA 6Gb/s ports

AMD RAIDXpert2 Technology

• Ryzen™ 9000: RAID 0/1/5/10

• Ryzen™ 8000: RAID 0/1

• Ryzen™ 7000: RAID 0/1/10

Ethernet

• 1 x Realtek 2.5Gb Ethernet

• ASUS LANGuard

Wireless & Bluetooth

• Wi-Fi 6E (802.11ax), 2x2, supports 2.4 / 5 / 6GHz*

• Bluetooth® v5.3**

6GHz WiFi only available in Windows 11 or later and varies by country
Bluetooth version may vary; check module manufacturer site

USB Ports

Rear I/O (8 ports):

• 4 x USB 10Gbps (3 x Type-A + 1 x USB-C®)

• 2 x USB 5Gbps (Type-A)

• 2 x USB 2.0 (Type-A)

Front I/O (up to 9 ports):

• 1 x USB 5Gbps Type-C® connector

• 1 x USB 5Gbps header (supports 2 ports)

• 3 x USB 2.0 headers (support 6 ports)

USB-C® power delivery output: max. 5V/3A

Audio

• Realtek 7.1 Surround Sound High Definition Audio CODEC*

Features:

• Jack-detection, Multi-streaming, Front Panel Jack-retasking

• Supports up to 24-bit/192 kHz playback

• Audio Shielding

• Premium audio capacitors

• Dedicated audio PCB layers

Chassis with HD audio module required for full 7.1 output

Back Panel I/O Ports

• 1 x USB 10Gbps (Type-C®)

• 3 x USB 10Gbps (Type-A)

• 2 x USB 5Gbps (Type-A)

• 2 x USB 2.0 (Type-A)

• 1 x DisplayPort

• 1 x HDMI™

• 1 x Wi-Fi module

• 1 x Realtek 2.5Gb Ethernet port

• 3 x Audio jacks

• 1 x BIOS FlashBack™ button

Internal I/O Connectors

Fan and Cooling:

• 1 x CPU Fan header (4-pin)

• 1 x CPU OPT Fan header (4-pin)

• 1 x AIO Pump header (4-pin)

• 4 x Chassis Fan headers (4-pin)

Power:

• 1 x 24-pin Main Power

• 1 x 8-pin +12V CPU Power

• 1 x 4-pin +12V CPU Power

Storage:

• 3 x M.2 slots

• 4 x SATA 6Gb/s ports

USB:

• 1 x USB 5Gbps Type-C® connector

• 1 x USB 5Gbps header (2 ports)

• 3 x USB 2.0 headers (6 ports)

Miscellaneous:

• 3 x Addressable RGB Gen 2 headers

• 1 x Clear CMOS header

• 1 x Chassis Intrusion header

• 1 x COM Port header

• 1 x Front Panel Audio (F_AUDIO)

• 1 x S/PDIF Out header

• 1 x SPI TPM header (14-1 pin)

• 1 x 10-1 pin System Panel header

• 1 x Thunderbolt™ (USB4®) header

Special Features

ASUS 5X PROTECTION III

• DIGI+ VRM

• LANGuard

• Overvoltage protection

• SafeSlot

• Stainless-steel back I/O

ASUS Q-Design

• Q-Antenna

• Q-Dashboard

• Q-DIMM

• Q-LED Core

• Q-Slot

ASUS Thermal Solution

• Flexible M.2 heatsink

• VRM heatsink design

ASUS EZ DIY

• BIOS FlashBack™ button + LED

• Pre-mounted I/O shield

• SafeSlot

Aura Sync

• Addressable RGB Gen 2 headers

Software Features

ASUS Exclusive Software

• Armoury Crate

  • Aura Creator

  • Aura Sync

  • Fan Xpert 2+

  • Power Saving

• ASUS AI Advisor

• ASUS Driver Hub

• ASUS GlideX

• TurboV Core

• ASUS CPU-Z

• Norton 360 Deluxe (60-day trial)

• WinRAR (40-day trial)

UEFI BIOS

ASUS EZ DIY

• CrashFree BIOS 3

• EZ Flash 3

• UEFI BIOS EZ Mode

• MyHotkey

• BIOS Type: 256 Mb Flash ROM, UEFI AMI BIOS

Manageability

• WOL by PME

• PXE

Accessories

Cables:

• 2 x SATA 6Gb/s cables

Miscellaneous:

• 1 x ASUS WiFi Q-Antenna

• 1 x M.2 rubber package

• 3 x Screw packages for M.2 SSDs

Documentation:

• 1 x Quick Start Guide

Operating System

• Windows® 11

• Windows® 10 (64-bit)

Form Factor

• ATX Form Factor

• Dimensions: 12 inch x 9.6 inch (30.5 cm x 24.4 cm)

Model 

ROG STRIX X870-A GAMING WIFI

CPU

AMD Socket AM5 for AMD Ryzen™ 9000 &

8000 & 7000 Series Desktop Processors*

* Refer to www.asus.com for CPU support

list.

Chipset

AMD X870

Memory

4 x DIMM slots, max. 192GB, DDR5

Supports up to 8000+MT/s(OC) with Ryzen™

9000 & 8000 & 7000 Series Processors, ECC and Non-ECC, Un-buffered

Memory*"

Dual channel memory architecture

Supports AMD Extended Profiles for

Overclocking (EXPO™)

ASUS Enhanced Memory Profile (AEMP)

* Supported memory types, data rate

(speed), and number of DRAM modules vary depending on the CPU and memory

configuration, for more information please refer to CPU/Memory Support list

under the Support tab of product information site or visit

https://www.asus.com/support/.

* Non-ECC, un-buffered DDR5 memory supports

On-Die ECC function.

Graphics

1 x DisplayPort**

1 x HDMI™ port***  

2 x USB4® (40Gbps) ports support USB

Type-C® display outputs****

* Please refer to AMD CPU specifications.

** Supports max. 8K@30Hz as specified in

DisplayPort 1.4.

*** Supports 4K@60Hz as specified in HDMI

2.1.  

****Supports max. 4K@60Hz as specified in

DisplayPort 1.4a

**** VGA resolution support depends on

processors' or graphic cards' resolution.

Expansion Slots

AMD Ryzen™ 9000 & 7000 Series Desktop Processors*

1 x PCIe 5.0 x16 slot (supports x16 mode)

AMD Ryzen™ 8000 Series Desktop Processors*

1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**

AMD X870 Chipset

1 x PCIe 4.0 x16 slot (supports x4 mode)

* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).

** Specifications vary by CPU types.

- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/ for the list of supported peripherals.

Storage

Supports 4 x M.2 slots and 2 x SATA 6Gb/s ports*

AMD Ryzen™ 9000 & 7000 Series Desktop Processors*

M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 5.0 x4 mode)

M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 5.0 x4 mode)**

AMD Ryzen™ 8000 Series Desktop Processors**

M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4/x2 mode)

M.2_2 slot (Key M), type 2242/2260/2280/22110 (Not supports)****

AMD X870 Chipset

M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)***

M.2_4 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)

2 x SATA 6Gb/s ports

* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1. RAID 5 Function is only supported by AMD Ryzen™ 9000 series CPU. 

** M.2_2 shares bandwidth with PCIEX16(G5). When M.2_2 is occupied with SSD device, PCIEX16(G5) will run x8 only.

*** M.2_3 shares bandwidth with PCIEX16(G4). When M.2_3 is occupied with SSD device, PCIEX16(G4) will be disabled.

**** M.2_2 will be disabled when using AMD Ryzen™ 8000 Series Desktop Processors.

Ethernet

1 x Intel® 2.5Gb Ethernet

ASUS LANGuard

Wireless & Bluetooth

Wi-Fi 7*

 2x2 Wi-Fi 7 (802.11be)

 Supports 2.4/5/6GHz frequency band**

 Supports Wi-Fi 7 160MHz bandwidth, up to 2.9Gbps transfer rate.

 Bluetooth® v5.4***

*Wi-Fi features may vary depending on the operating system

 For Windows 11, Wi-Fi 7 will require  24H2 or later version for full functions, Windows 11 21H2/22H2/23H2 only support Wi-Fi 6E.

 For Windows 10, please note that no driver is available , please refer to the Wi-Fi chipset vendor's website for details.

 ** Wi-Fi 6GHz frequency band and bandwidth regulatory may vary between countries.

 *** The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.

USB

Rear USB (Total 12 ports)

2 x USB4® (40Gbps) ports(2 x USB Type-C® with DP Alt mode)*

6 x USB 10Gbps ports (5 x Type-A + 1 x USB Type-C® with up to 30W PD Fast-charge)**

4 x USB 5Gbps ports (4 x Type-A)

Front USB (Total 9 ports)

1 x USB 20Gbps connector (supports USB Type-C®)

2 x USB 5Gbps headers support 4 additional USB 5Gbps ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

* USB Type-C® power delivery output: max. 5V/3A

** USB Type-C® power delivery output: 5V/9V max. 3A, 12V max 2.5A, 15V max. 2.0A

Audio

ROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*

- Impedance sense for front and rear headphone outputs

- Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking

- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input

- Supports up to 32-Bit/384 kHz playback on front panel"

Audio Features 

- SupremeFX Shielding Technology

- Savitech SV3H712 AMP  

- Rear optical S/PDIF out port

- Premium audio capacitors

- Audio cover

* The LINE OUT port on the rear panel does not support spatial audio. If you wish to use spatial audio, make sure to connect your audio output device to the audio jack on the front panel of your chassis or use a USB interface audio device.

Back Panel I/O Ports

2 x USB4® (40Gbps) ports (2 x USB Type-C® with DP Alt mode)

6 x USB 10Gbps ports (5 x Type-A + 1 x USB Type-C® with up to 30W PD Fast-charge)**

4 x USB 5Gbps ports (4 x Type-A)

1 x DisplayPort

1 x HDMI™ port

1 x Wi-Fi module

1 x Intel® 2.5Gb Ethernet

2 x Audio jacks 

1 x Optical S/PDIF out port

1 x BIOS FlashBack™ button 

1 x Clear CMOS button 

Internal I/O Connectors

Fan and Cooling Related 

1 x 4-pin CPU Fan header

1 x 4-pin CPU OPT Fan header

1 x 4-pin AIO Pump header

5 x 4-pin Chassis Fan headers

Power Related 

1 x 24-pin Main Power connector

2 x 8-pin +12V CPU Power connectors

Storage Related 

4 x M.2 slots (Key M) 

2 x SATA 6Gb/s ports

USB 

1 x USB 20Gbps connector (supports USB Type-C®)

2 x USB 5Gbps headers support 4 additional USB 5Gbps ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Miscellaneous

3 x Addressable Gen 2 headers

1 x Alteration PCIe mode switch

1 x Chassis Intrusion header

1 x CPU Over voltage jumper

1 x Front Panel Audio header (F_AUDIO)

1 x Start button

1 x 10-1 pin System Panel header

1 x Thermal Sensor header

Special Features

Extreme Engine Digi+

- 5K Black metallic capacitors 

ASUS Q-Design 

- M.2 Q-Latch

- M.2 Q-Release

- M.2 Q-Slide

- PCIe Slot Q-Release Slim (with PCIe SafeSlot)

- Q-Antenna

- Q-DIMM

- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])

- Q-Slot

ASUS Thermal Solution

- M.2 heatsink backplate

- M.2 heatsink

ASUS EZ DIY

- BIOS FlashBack™ button

- BIOS FlashBack™ LED

- Clear CMOS button

- ProCool II

- Pre-mounted I/O shield

- SafeSlot

- SafeDIMM

Aura Sync

- Addressable Gen 2 headers

Software Features

ROG Exclusive Software

- ROG CPU-Z

- Dolby Atmos

ASUS Exclusive Software

Armoury Crate

- AIDA64 Extreme (60 days free trial) 

- Aura Creator

- Aura Sync

- Fan Xpert 4 (with AI Cooling II)

- GameFirst

- HWiNFO

- Power Saving

ASUS Driver Hub

ASUS GlideX

USB Wattage Watcher

TurboV Core 

Adobe Creative Cloud (Free Trial)

Norton 360 for Gamers (60 Days Free Trial)

WinRAR (40 Days Free Trial)

UEFI BIOS

AI Overclocking Guide

ASUS EZ DIY 

- ASUS CrashFree BIOS 3 

- ASUS EZ Flash 3 

- ASUS UEFI BIOS EZ Mode

- ASUS MyHotkey

Dynamic OC Switcher

FlexKey

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Manageability

WOL by PME, PXE

Accessories

Cables

2 x SATA 6Gb/s cables 

Additional Cooling Kit

1 x Thermal pad for M.2 22110

Miscellaneous

1 x ASUS WiFi Q-Antenna

1 x Cable ties package

1 x M.2 Q-Latch package

1 x M.2 Q-Slide package

1 x ROG key chain

1 x ROG Strix stickers

4 x M.2 rubber packages

Documentation

1 x Quick start guide

Operating System

Windows 11

Form Factor

ATX Form Factor

12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )