ASUS ROG Strix X870-A

4 x DIMM slots, max. 256GB, 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.

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.

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 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 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.

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

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

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 

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.

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.

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-Dashboard
- 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