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ASUS

ASUS ROG STRIX X870-A GAMING WIFI AMD motherboard 16+2+2 power stages

SKU CH-709V-KXJZW

ATX AM5 board with 16+2+2 90A power stages, two PCIe 5.0 M.2 slots, dual USB4, WiFi 7 and 2.5Gbps LAN for Ryzen 7000, 8000 and 9000 CPUs

  • CPU Socket TypeAM5
  • ChipsetAMD X870
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardDDR5 4400
  • Maximum Memory Supported192GB
  • Channel SupportedDual Channel
  • Stable power for multi-core CPUs with 16+2+2 90A stages and dual ProCool II connectors
  • Four M.2 slots including two PCIe 5.0 x4 and two PCIe 4.0 with heatsinks
  • Dual USB4 Type-C plus USB 20Gbps front header and USB 10Gbps PD 3.0 up to 30W
  • AI Overclocking, AI Cooling II, AI Networking and AEMP simplify tuning and memory setup
  • 5Gbps LAN and WiFi 7 with ROG SupremeFX 7.1 audio for fast networking and clear sound

AM5 platform for Ryzen 7000 8000 9000

This ATX motherboard uses the AMD X870 chipset and an AM5 socket to support Ryzen 7000 8000 and 9000 series desktop processors. Four 288 pin DDR5 slots accept up to 192GB of un buffered memory in dual channel mode with ECC support. The board targets enthusiasts who want AI ready compute and high speed storage in a standard form factor.

16 plus 2 plus 2 power stages

A 16 plus 2 plus 2 power solution rated at 90A per stage uses dual ProCool II connectors with alloy chokes and durable capacitors. Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots support 2242 2260 2280 and 22110 form factors each with substantial cooling. The primary PCIe 5.0 x16 SafeSlot and 2.5Gbps LAN handle graphics and networking while dual USB4 Type C ports and a USB 20Gbps front panel connector provide high bandwidth I O.

AI overclocking cooling networking and AEMP

ASUS exclusive AI Overclocking AI Cooling II AI Networking and AEMP simplify setup and improve performance without manual tuning. ROG Strix technologies include Dynamic OC Switcher Core Flex Asynchronous Clock and PBO Enhancement for advanced frequency control. The ROG SupremeFX 7.1 audio codec ALC4080 adds impedance sensing jack detection and multi streaming while USB Wattage Watcher monitors the USB 10Gbps port with PD 3.0 up to 30W.

Points forts

  • Stable power for multi-core CPUs with 16+2+2 90A stages and dual ProCool II connectors
  • Four M.2 slots including two PCIe 5.0 x4 and two PCIe 4.0 with heatsinks
  • Dual USB4 Type-C plus USB 20Gbps front header and USB 10Gbps PD 3.0 up to 30W
  • AI Overclocking, AI Cooling II, AI Networking and AEMP simplify tuning and memory setup
  • 5Gbps LAN and WiFi 7 with ROG SupremeFX 7.1 audio for fast networking and clear sound

Caractéristiques

BrandASUS
ModelROG STRIX X870-A GAMING WIFI
Part Number90MB1IF0-M0AAY0
CPU Socket TypeAM5
ChipsetAMD X870
Number of Memory Slots4x288pin (DDR5)
Memory StandardDDR5 4400
Maximum Memory Supported192GB
Channel SupportedDual Channel
ECC SupportedYes
Buffer SupportedUn-buffered
Memory FeatureSupports 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)
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
PCI Express 4.0 x16AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)
Serial ATA (SATA)2 x SATA 6Gb/s
M.2AMD 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)****
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)
** 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 wi
SATA RAID* AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10. RAID 5 Function is only supported by AMD Ryzen™ 9000 series CPU.
Audio ChipsetROG 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 s
Audio Channels7.1 Channels
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports2 x USB4 (40Gbps) ports (2 x USB Type-C with DP Alt mode)
6 x USB 10Gbps port(s) (5 x Type-A + 1 x USB Type-C with up to 30W PD Fast-charge)
4 x USB 5Gbps port(s) (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
Onboard USB1 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
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header(s)
1 x 4-pin CPU OPT Fan header(s)
1 x 4-pin AIO Pump header(s)
5 x 4-pin Chassis Fan header(s)
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
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connector
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
Windows 11Supported
FeaturesExtreme 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 header(s)
Package ContentsCables
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

Questions sur cet article

What PCIe generation does the primary x16 slot use, and what lane width does it run at?

The primary slot is PCIe 5.0 x16 and runs at full x16 mode with Ryzen 9000 or 7000 series processors.

What case form factor and CPU cooler clearance does the board require?

The board uses the ATX form factor and fits standard ATX cases; the 16+2+2 power stage heatsinks sit close to the socket, so verify your cooler’s keep-out zone against the VRM heatsink height.

How is the Q-Release Slim mechanism used when installing a graphics card, and what mistake should be avoided?

Press the release latch on the PCIe 5.0 x16 SafeSlot before inserting the card, then push the card straight down until the latch clicks; do not force the card without depressing the latch first.

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