ASUS ROG Strix X870-A
ASUS ROG Strix X870-A Specifications
ASUS ROG Strix X870-A by ASUS is a Standard-ATX form factor motherboard based on the high-end X870-A chipset and AM5 socket, offering the most advanced features and connectivity options. It is designed to support DDR5 memory up to 256 GB and memory overclocking up to 8000 MHz. The motherboard features 4 memory slots and offers support for PCIe 5.0 x16, ensuring compatibility with modern GPUs and high-bandwidth expansion cards.
ASUS ROG Strix X870-A Performance Review
The ASUS ROG Strix X870-A features a high-end VRM setup, supplying 90 A across 16 phases. It can power high-wattage CPUs and support moderate overclocking while maintaining good voltage regulation and thermal efficiency. This makes it an excellent option for gamers and professionals who need reliable high-end CPU performance.
This motherboard is equipped with a premium audio chipset — the Realtek ALC4080 — delivering performance comparable to mid-to-high-end discrete sound cards. It provides clean, immersive sound with excellent signal-to-noise ratio and dynamic range. This makes it a recommended choice for audiophiles and users with high-end audio setups, such as studio-grade headphones, amplifiers, or surround sound systems, who want the best possible onboard audio.
This board delivers balanced value with a performance-per-price ratio of 53.6%, offering a solid blend of features, quality, and affordability.
Motherboard Information
Manufacturer: ASUS
Motherboard Name: ASUS ROG Strix X870-A
Current Price Amazon: $299
Amazon Price Updated: 18 hours, 6 minutes ago.
Motherboard Available: True
Chipset / Socket: X870-A / AM5
Form Factor / Memory Slots: Standard-ATX / 4 slots.
Memory Type / Max Cap / Max OC: DDR5 / 256 GB / 8000 MHz
PCIe Suport: PCIe 5.0 x16
Audio Chipset: Realtek ALC4080
Network: 1 x Intel® 2.5Gb Ethernet
Motherboard Dimensions: 30.5 cm x 24.4 cm
Quality & Features (max 110pts)
VRM Quality: 14 pts.
Chipset Q & F: 18 pts.
Build Quality: 16 pts.
Connectivity Q & F: 17 pts.
Audio Quality: 16 pts.
Total Points: 81 pts.
VRM Configuration
CPU Power Phases (Amps): 16 (90 A)
Power Design: 16(90A)+ 2(90A)+ 2(80A)
Calculated Performance
Quality and Features per Price: 53.6%
Additional Motherboard Information
Memory:
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 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.
Storage:
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.
USB:
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
Internal I/O:
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
Back Panel I/O:
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
WiFi:
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.
Audio:
- 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.
Special Features:
- 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