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PC parts / Motherboards

ASUS ROG STRIX X870-A GAMING WIFI
CPU socket
AM5
Chipset
AMD X870
Form factor
ATX
M.2 slots
4

66 of 78 fields known.

At a glance

Ports

  • 2 USB-C USB4
  • USB-C USB 3.2 Gen 2
  • 5 USB-A USB 3.2 Gen 2
  • 4 USB-A USB 3.2 Gen 1
  • DisplayPort 1.4
  • HDMI 2.1
  • Ethernet (RJ45)
  • 2 3.5 mm audio
  • Optical S/PDIF
  • USB-C header
  • 2 USB 3 header (19-pin)
  • 2 USB 2.0 header (9-pin)

All specs

SourceCalculated

General

Announced
Not available
Predecessor
Not available
Successor
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Segment
Gaming1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026The page sits in the ROG Strix family of the Republic of Gamers gaming boards.
Board revision
Not available

Platform

Chipset
AMD X8701Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026
Supported processors
AMD Ryzen 9000 Series, AMD Ryzen 8000 Series, AMD Ryzen 7000 Series1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026AM5 for Ryzen 9000, 8000 and 7000 Series. The page refers to the ASUS site for the CPU support list. Read on 2026-10-16.

Board

Front and side, drawn to scale.

Board dimensions
Width244Height305mm(9.6 × 12 in)3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_X870-A_GAMING_WIFI/E26407_ROG_STRIX_X870-A_GAMING_WIFI_EM_V3_WEB.pdfRead 16 October 2026Specifications summary: 12 inch x 9.6 inch (30.5 cm x 24.4 cm).
Back-connect design
No3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_X870-A_GAMING_WIFI/E26407_ROG_STRIX_X870-A_GAMING_WIFI_EM_V3_WEB.pdfRead 16 October 2026The layout shows the usual front-side power, fan and USB connectors. The board is not a back-connect design.
RGB lighting on the board
Yes2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifiRead 16 October 2026The overview page lists Aura Lighting and says subtle RGB lighting on the I/O shroud.9Reviewpokde.net/review/asus-rog-strix-x870-a-gaming-wifi-reviewRead 16 October 2026The only onboard RGB lighting is on the top left, covering the left VRM heatsink.

Power delivery

Power stage layout
16+2+22Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifiRead 16 October 202616(90A)+2(90A)+2(80A) power stages: 16 Vcore, 2 SoC and 2 Misc.
CPU core (Vcore) power stages
162Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifiRead 16 October 202616 Vcore power stages (90A).
Vcore power stage rating
90A2Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifiRead 16 October 2026Each Vcore power stage is rated 90 A. The SoC stages are also 90 A and the Misc stages 80 A.
VRM controller
ASUS ASP22069Reviewpokde.net/review/asus-rog-strix-x870-a-gaming-wifi-reviewRead 16 October 2026Spec table and VRM section: PWM controller ASUS DIGI+ EPU ASP2206, with MPS MP87691 90 A stages for Vcore and SoC and Vishay SiC629 80 A for Misc. ASUS does not name the controller. Single review. Stored as ASUS ASP2206, the same form as the ASUS TUF GAMING X870-PLUS WIFI product.
Extra slot power connector
No1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026The internal connector list has no extra slot power connector.

Memory

Max memory
256GB1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 20264 x DIMM slots, max. 256GB, DDR5, the same in the manual.
Max memory speed (overclocked)
8,000MT/s1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026Up to 8000+MT/s (OC) with Ryzen 9000, 8000 and 7000 Series. The Ryzen 9000 value is stored. The page says supported speeds and module counts vary with the CPU and memory configuration.
ECC memory
Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026The page lists ECC and non-ECC unbuffered memory. It does not say how ECC works with each CPU. Non-ECC DDR5 supports On-Die ECC.
CUDIMM support
Not available

Expansion slots

Full-length PCIe slots
2
Fastest PCIe x16 slot generation
5

Storage

M.2 storage slots
SlotPCIe generationPCIe lanesConnected toLongest driveTakes SATA drivesHeatsinkShares lanes with
M.2_154CPUM.2 2280NoYesNot available
M.2_254CPUM.2 22110NoYesPCIEX16(G5) slot runs at x8 when M.2_2 is used
M.2_344ChipsetM.2 2280NoYesPCIEX16(G4) slot is disabled when M.2_3 is used
M.2_444ChipsetM.2 2280NoYesNot available
M.2 slots
4
PCIe 5.0 M.2 slots
2
SATA ports
21Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 20262 x SATA 6Gb/s ports. AMD RAIDXpert2 supports SATA RAID 0/1.

Rear ports

Rear ports
TypeVersionCountMax link rate (Gbps)Thunderbolt or USB4Power out (W)DP Alt Mode
USB-CUSB4240USB415Yes
USB-CUSB 3.2 Gen 2110Not available30Not available
USB-AUSB 3.2 Gen 2510Not availableNot availableNot available
USB-AUSB 3.2 Gen 145Not availableNot availableNot available
DisplayPortDisplayPort 1.41Not availableNot availableNot availableNot available
HDMIHDMI 2.11Not availableNot availableNot availableNot available
Ethernet (RJ45)Not available12.5Not availableNot availableNot available
3.5 mm audioNot available2Not availableNot availableNot availableNot available
Optical S/PDIFNot available1Not availableNot availableNot availableNot available
Rear USB ports
12
Rear USB-C ports
3
Fastest rear USB port
40Gbps
Thunderbolt
No

Internal connectors

Internal USB headers
HeaderMax data rate (Gbps)HeadersFront ports served
USB-C header2011
USB 3 header (19-pin)524
USB 2.0 header (9-pin)0.4824
Front USB-C header speed
20Gbps
Fan headers
81Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026CPU fan, CPU OPT fan, AIO pump and 5 chassis fan headers, 8 in all. All 4-pin.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_X870-A_GAMING_WIFI/E26407_ROG_STRIX_X870-A_GAMING_WIFI_EM_V3_WEB.pdfRead 16 October 2026Fan and pump header table: CPU_FAN, CPU_OPT, CHA_FAN1 to CHA_FAN5 and AIO_PUMP, 1 A each.
ARGB headers
31Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 20263 x Addressable Gen 2 headers.
RGB headers
01Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026The internal connector list has 3 Addressable Gen 2 headers and no 12 V RGB header.

Networking

Ethernet controllers
Intel I2269Reviewpokde.net/review/asus-rog-strix-x870-a-gaming-wifi-reviewRead 16 October 2026Spec table: Intel I226-V 2.5GbE LAN. ASUS writes only Intel 2.5Gb Ethernet. The suffix V is left out.
Ethernet ports
1
Ethernet speed
2.5Gbps
Wi-Fi included
Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 20261 x Wi-Fi module is listed on the back panel.
Wi-Fi module
MediaTek MT79259Reviewpokde.net/review/asus-rog-strix-x870-a-gaming-wifi-reviewRead 16 October 2026Spec table: MediaTek MT7925B22M (AMD RZ717) Wi-Fi 7 module on M.2 2230, Bluetooth 5.4. The module name MT7925B22M is stored as MT7925.

Audio

DAC chip
Not available

Features

BIOS flashback
Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026BIOS FlashBack button on the back panel.
Power button on the board
Yes1Maker product pagerog.asus.com/motherboards/rog-strix/rog-strix-x870-a-gaming-wifi/specRead 16 October 2026The internal connector list has a Start button. The manual says it powers up the system.3Owner's manualdlcdnets.asus.com/pub/ASUS/mb/SocketAM5/ROG_STRIX_X870-A_GAMING_WIFI/E26407_ROG_STRIX_X870-A_GAMING_WIFI_EM_V3_WEB.pdfRead 16 October 2026Layout item 17 is the Start button. The manual says to press it to power up the system or put it into sleep or soft-off mode.

Measured

Power draw idle
Not available
Power draw CPU stress
Not available

In the box

Warranty

Manufacturer warranty (source market)
3years7Retailer pageeshop.asus.com/us/90mb1if0-m0aay0-rog-strix-x870-a-gaming-wifi.htmlRead 16 October 2026The ASUS US eShop page lists a 3 year manufacturer warranty. Arvutitark in Estonia lists 36 months.

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Sources

We read 11 sources for this motherboard. The numbers match the markers in the sheet.

  1. Read 16 October 2026Backs 35 fields
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