The Gigabyte X870 AORUS STEALTH Motherboard features the AMD X870 chipset with Socket AM5 support for AMD Ryzen 9000, 8000 and 7000 series processors and four DDR5 DIMM slots supporting up to 256 GB with DDR5-8200 (OC) and AMD EXPO/XMP memory profiles. It includes 4x M.2 slots (PCIe 5.0/4.0), dual USB4 Type-C with DisplayPort-Alt support, HDMI 2.1, Realtek 5 GbE LAN, Wi-Fi 7 and Bluetooth 5.4 for high-speed networking, and rich rear I/O connectivity for peripherals. The board's robust 16 + 2 + 2 digital VRM, advanced thermal design and Smart Fan 6 headers help maintain stable performance under load. It also offers RGB/ARGB headers and DIY-friendly features like Q-Flash Plus and EZ-Latch for easy installation.
Warning: This product contains a button battery
- If swallowed, a lithium battery can cause severe or fatal injuries with 2 hours.
- Keep batteries out of reach of children.
- If you think batteries may have been swallowed or placed inside any of the body, seek immediate medical attention.
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Features
X870 Aorus Stealth
- X3D Turbo Mode : Unleash new era gaming performance
- DDR5 OC up to 8200MT/s
- DriverBIOS : Wi-Fi Driver Pre-install, Power-On & EZ to Launch the Network.
- AMD Socket AM5 : Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Processors
- Digital twin 16+2+2 phases VRM solution
- Dual Channel DDR5 : 4*DIMMs with AMD EXPO™Memory Module Support
- M.2 EZ-Flex : high-efficiency heat dissipation & flexible baseplate for M.2 SSD (Exclusive Patented Design)
- WIFI EZ-Plug : Quick and easy design for Wi-Fi antenna installation
- EZ-Latch Plus : PCIe and M.2 slots with Quick Release & Screwless Design
- EZ-Latch Click : M.2 heatsinks with screwless design
- Friendly UI : Multi-Theme, AIO Fan Control, and Q-Flash Auto Scan in BIOS and SW
- Ultra-Fast Storage : 4*M.2 slots, including PCIe 5.0 x4
- Efficient Thermal : VRM Thermal Armour Advanced & M.2 Thermal Guard L & M.2 Thermal Guard Ext.
- Fast Networking : 5GbE LAN & Wi-Fi 7 with directional Ultra-high gain antenna
- Extended Connectivity : HDMI, Dual USB4 Type-C with DP-Alt
- PCIe UD Slot : PCIe 5.0 x16 slots with 10X strength for graphics card & Better Heat dissipation effect
- UD Base Plate : Experience the protection and heat dissipation with the UD Base Plate.
Performance Front
- 16*+2+2 Twin Digital VRM Design
6-Layer PCB
Mid-Loss PCB
2X Copper PCB
Premium Choke and Capacitor
*8+8 phases parallel power design
- Full-length PCIe slots
1 x PCIe 5.0 x16 with PCIe UD Slot
1 x PCIe 4.0 x4
- Socket AM5 Supports AMD Ryzen™ Series Processors
- 4 x DIMMs, Dual Channel DDR5
- 4 x M.2 Slots
2 x PCIe 5.0 M.2 Slots
2 x PCIe 4.0 M.2 Slots
Performance Back
- Smart Fan 6
Total 8*PWM/DC Headers
Dual Fan Curve Mode
- RGB FUSION
1 x RGB LED Header
3 x ARGB LED Headers
- Front USB-C 20Gb/s
- 2 x SATA 6Gb/s
- UD Power Connector
4+8 pin CPU with UD Solid Pin
24 pin ATX with UD Solid Pin
- Pure White UD Base Plate
Thermal
- VRM Thermal Armour Advanced
Superior Heatpipe
7 W/mk Thermal Pad
Integrated IO Shield
- M.2 Thermal Guard L
- M.2 EZ-Flex Design (Exclusive Patented Design)
- M.2 Thermal Guard Ext.
Connectivity
- 4 x USB 3.2 Gen 1
- 1 x HDMI
- 4 x USB 2.0
- 2 x USB4 Type-C® up to 40Gb/s with DP-Alt
- 2 x USB 3.2 Gen 2
- USB3.2 Gen2 Type-C
- WIFI EZ-Plug
- Wi-Fi 7(320Mhz) & Directional Ultra-high gain Antenna
- 5 GbE LAN
- Hi-Fi Audio
8-CH HD Audio
High-End Audio Capacitor
DIY Friendly
- WIFI EZ-Plug
- M.2 EZ-Latch Plus
- M.2 EZ-Latch Click
- EZ-Debug Zone
Multi-key
Debug LEDs
Power Button
80 port
- PCIe EZ-Latch Plus
No.1 Chassis Compatibility
Maximised Chassis Compatibility
The STEALTH series excels in high chassis compatibility, supporting numerous manufacturers. It enables PC DIY enthusiasts and gamers alike to effortlessly assemble personalised computer setups without constraints.
Brand New Gaming Experience
X3D Turbo Mode
Unleash New Era Gaming Performance with One-Click Activation.
X3D Turbo Mode's unique optimisation parameters allow even Ryzen™ 9000 X3D gaming Performance enhance & Ryzen™ 9000 non-X3D processors to achieve similar gaming performance levels as their Ryzen™ X3D counterparts. Experience smoother gameplay, higher frame rates, and reduced latency with GIGABYTE's BIOS innovation- X3D Turbo Mode.
One-Click Acceleration
Enhance Gaming FPS Performance with a single click.
*Differences in performance enhancement depending on the game.
D5 Bionic Corsa
Advanced AI-enhanced overclocking tech. for DDR5.
AI Overclocking for Peak Performance
Aorus AI Snatch
Auto-Overclocking Software by AI model.
Unleash Ultimate Performance with One-Click Activation.
Auto CPU & DDR5 Memory Boost
With just a single click, unleash the full potential of CPU & DDR5 memory, instantly boosting your gaming and work efficiency.
- Fast AI Performance
- Enhanced Computing Power
- EZ to Peak
- Safe OC
- Less Power Usage
One-Click Acceleration
Enhance CPU & DDR5 speeds with a single click.
- Real time Analysis
- OC accuracy UP
- EZ to Pro
Fast AI Performance
Accelerate AI processing for greater performance.
- Up to 8% AI Performance (GeekBench AI PRO test conducted with High Bandwidth option manually enabled.)
- Accelerated AI decision-making
- Boosted reinforcement learning
- Streamlined language processing
Boost CPU & Memory Performance
Raise system speed and performance.
- Up to 9% CPU & Memory Performance Boost
- Tailored-overclocking for your CPU and memory
- Faster data transfer and application loading
- Improved multitasking performance
- Optimised overall system performance
*Tested by AIDA64 Memory
**Tested by R23 Multi Core
Maximise Performance in a Snap
Enable users to easily become overclocking experts through a simple interface.
Smart & Safe Overclocking
Protect your motherboard through multiple over-temperature and over-current safeguards.
- OTP - Over Temperature Protection
- OCP - Over Current Protection
- OVP - Over Voltage Protection
- OPP - Over Power Protection
- UVP - Under Voltage Protection
- SCP - Short Circuit Protection
Less Power Usage Optimal Power-Efficiency
With faster computations, it also means reduced power consumption, making it more environmentally friendly and energy-efficient, continuously contributing to the well-being of our planet.
- Enhance Up to 9% CP/Per Watt
AI Design for MB Signal Enhancement
AI-Driven PCB Design
Redefining PCB Design with AI.
AI-Driven PCB Technology - Redefining PCB Design with Artificial Intelligence
AI-Driven PCB Technology employs AI algorithms to optimise vias, routing and stackups. It ensures peak performance and signal integrity across single and cross-layer throughout the design process.
AI-ViaFusion Technology
Optimised vias & pads for signal integrity.
AI-Trace Technology
Smart routing for peak performance.
AI-Layer Technology
Tailored stackups for enhanced functionality.
Key Features
- AI-Generated Design Recipes
- AI-Driven Simulation
- AI-Powered Signal Verification
- Single and cross-layer signal optimisation
AI-ViaFusion™ Technology - AI-Powered Excellence in Signal Integrity
AI-ViaFusion, an AI-assisted via optimisation technology, determines optimal via and pad sizes across PCB areas. This technology enhances cross-layer signal integrity and transmission efficiency, outperforming traditional design methods.
- Reduction in Signal Reflection Up to 28.2%
Best-in-Class Signal Quality
- Superior signal transmission efficiency
- Dramatically reduced signal reflection
- Elevated signal quality and reliability
- Enhanced cross-layer PCB signal performance
AI-ViaFusion Technology - AI-Engineered Via Design Formula
AI-ViaFusion is a proprietary AI-generated hybrid via structure design. This PCB technology, validated through AI simulations and testing, aims to enhance high-speed signal transmission.
Optimised Via Design
Varied via sizes for optimised signal and power paths
Driven Pad Optimisation
Custom pad sizes for performance and production balance
Precision Impedance Matching
Via & pad sizes selected for optimal signal impedance
Unlock AI-Powered Performance with AI-ViaFusion Technology
Minimised Insertion Loss
Optimised vias reduce signal loss
Enhanced Return Loss
Precision impedance matching reduces reflections
Optimised Eye Diagram
Wider eye opening improves signal integrity
*Eye Diagram: Signal quality assessment tool in digital communications. Overlays bit cycle waveforms, forming eye-like pattern. Larger, clearer opening indicates better signal quality and transmission reliability.
AI-ViaFusion Technology - AI-Driven Revolution in PCB Design
Vias (Vertical Interconnect Access) are critical for multi-layer PCB connectivity. Via size significantly impacts signal integrity, affecting capacitance, reflections, and crosstalk.
AI-ViaFusion Technology Optimises PCB Performance Through
Strategic Via Sizing
Optimised for varied signals across PCB.
Enhanced Impedance Matching
Precise control via machine learning.
Space Optimisation
Maximised layout efficiency with signal integrity.
AI-Trace Technology - Revolutionising PCB Routing with AI
AI-Trace Technology transforms PCB design by leveraging AI to optimise trace routing, resulting in enhanced performance and signal integrity.
Fibre Weave Effect Mitigation
Optimised signal synchronisation.
Shielded Memory Routing
Optimised signal shielding and precision.
Impedance-Optimised Topology
Refined traces with minimal resistance.
Isolated Memory Routing
Optimised trace layout and layer separation.
Daisy-Chained Routing
Innovative design eliminates signal bottlenecks.
Experience next-gen PCB routing with GIGABYTE's AI-Trace Technology.
Mitigating Fibre Weave Effect with AI-Trace Technology
Fibre Weave Effect in high-speed PCBs stems from varying dielectric constants of epoxy resin and glass fibres, this causes varying signal propagation speeds, leading to signal integrity issues such as crosstalk and jitter. AI-Trace Technology implements innovative routing angles to mitigate this effect.
Benefits of Mitigation
- Reduces signal distortion
- Improves transmission reliability
- Supports higher data rates
- Enhances overall system stability
AI-Layer Technology - Next-Generation Multi-Layer PCB Design
AI-Layer Technology creates innovative layer materials for multi-layer PCBs, delivering unparalleled performance.
Core Innovation
AI-Optimised Layer Customised Design.
- AI-optimised layer design
- Unique material for each layer
- AI-verified signal integrity
- Tailored PCB for peak performance
Key Features
- AI-optimised PCB layer and design material
- Server-Grade Low Loss PCB (Low Loss for 8-layer PCB model only)
- Enhanced 2X Copper Technology
HyperTune BIOS
AI-Driven Advanced BIOS Optimisation Technology.
HyperTune BIOS uses AI to optimise MRC and adapt to signals. Z890 series implements this for peak efficiency, enabling significant memory clock speed boosts and enhanced overall performance.
- BIOS Efficiency Boost Up to 95%+
AI-Enhanced Performance Optimisation
- Adaptive signal strength tuning
- AI tuning accuracy exceeds 95%
- Continuous learning advances performance limits
Experience GIGABYTE's AI-Enhanced HyperTune – Unleashing next-gen BIOS performance.
Memory
Zenith Memory Performance
Advanced AI-enhanced overclocking tech. for DDR5.
STEALTH series gaming motherboards boost DDR5 memory performance and offer top-notch compatibility using various advanced methods.
* Memory overclocking and XMP/EXPO support may vary.
Sturdy VRM Design
Steady Power
STEALTH Series with steady power keeps your AI operation smooth.
Digital Twin VRM Design
Delivers consistent, high-powered performance to elevate your overclocking to the next level.
16 VCORE Phases SPS 80A
Unlock the full power of your multi-core CPU for unmatched performance.
*8+8 phases parallel power design
2 SOC Phases SPS 80A
Optimised for integrated GPU performance and memory management within the CPU.
2 MISC Phases Ppak
Deliver reliable power to your CPU-connected PCIe lanes for uninterrupted performance.
Cooling
Comprehensive Thermal
Advanced full-metal thermal design and durable heatsinks to keep your system cool and efficient.
M.2 EZ-Flex (Exclusive Patented Design)
- Cools SSD by up to 12°C lower temperature
* Test results are for reference only and may vary depending on actual conditions.
Engineered for maximum cooling performance — high-efficiency heat dissipation & a flexible baseplate for M.2 SSD.
To prevent overheating, high thermal conductivity pads are typically added. The M.2 EZ Flex was introduced to solve this issue by improving the contact between the SSD and the heatsink.
M.2 EZ-Flex offers a flexible base that improves contact between the heatsink & SSD, enhancing thermal performance.
M.2 Thermal Guard Ext.
M.2 Thermal Guard L with M.2 Thermal Guard Backplate
- 6X optimised heat dissipation
* Test results are for reference only and may vary in different circumstances.
Small Vents, Big Cooling Power
- Up to 7°C lower temperature
* Test results are for reference only and may vary in different circumstances.
Level Up Epic VRM Heatsinks for Non-Stop Gaming
- 4X Massive cooling surface - Exceptional heat dissipation
- Superior Heatpipe
- 7 W/mK thermal pad
Premium VRM Thermal Armour for Superior Cooling
"Stay Cool, Game On"
High-coverage MOSFETs with integrated moulded heatsinks.
4X Larger Surface Area for Enhanced Heat Dissipation
With up to 4 times the surface area of traditional coolers, this advanced design significantly boosts MOSFET cooling performance
True One-Piece Heatsink Design
- Outperforms competitors' multi-piece solutions
- Integrated design and expanded surface area deliver exceptional cooling performance
Multi-Cut Design with Channels for Improved Airflow
- More grooves, more airflow.
- Better airflow, cooler system.
Superior Heatpipe for Optimal Heat Transfer
- Designed for optimal thermal conductivity
- Ensures efficient heat transfer and maintains system stability
7 W/mK Thermal Pad for Efficient Thermal Conductivity
- High-performance thermal pad
- Keeps your system cool and running at peak efficiency
Smart Fan 6
Cool. Quiet. Customised.
Superior cooling performance and whisper-quiet operation for your gaming rig.
High Current Support
- Supports both PWM and DC fans, plus water cooling pumps
- Up to 24W (12V x 2A) capacity per fan header
- Built-in over-current protection
Precision Control
- Multiple temperature and fan speed points
- Customisable fan curves for optimal performance
Dual Curve Mode
- Choose between slope and stair modes
- Tailor cooling to your specific needs and preferences
Fan Stop Technology
- Fans can be completely turned off at low temperatures
- Ensures silent operation during light loads
Smart Fan 6 BIOS UI
Enhance Fan Curve UI
- 7 adjustable control points
- Expanded speed graph for precise adjustments
Slope/Stair Dual Graph Mode
- Slope mode: Smooth fan speed curve
- Stair mode: Steady speeds within temperature ranges
- Easy switching between modes
Manual Input
- Fine-tune fan speeds for optimal performance
- Precise control for enthusiasts
EZ Tuning
- Quick setup with 4 temperature and fan speed points
- Automatic optimisation of fan curve
Fan Curve Profile
- Save personalised settings to BIOS ROM
- Maintain custom settings through BIOS updates
Easy & Friendly
Hassle-Free Assembly
Our cutting-edge motherboard is designed for the ultimate DIY experience.
DriverBIOS
No need to download Wi-Fi Driver, Power-On & EZ to Launch the Network.
There is no need to download or install additional drivers to enable wireless networking after Windows installation is complete (OOBE completed). Moreover, the capacity is 2 times larger than 32MB BIOS.
WiFi EZ-Plug
The WIFI EZ-Plug design integrates Wi-Fi antenna plugs into one adaptor, EZ to install.
EZ-Latch Designs
User-friendly designs simplifying the assembly process.
M.2 EZ-Latch Click
Screwless installation for M.2 heatsink.
M.2 EZ-Latch Plus
Screwless installation for M.2 SSD's.
PCIe EZ-Latch Plus
Easy ejection with single click for graphics cards.
Fast-Access Controls
Handy, Revert, Refresh
- EZ Debug Zone
- Q-Flash Auto Scan
More Quick Control Elements
EZ Debug Zone
Centralised debug LEDs and control buttons provide a handy and organised troubleshooting process when building a new computer.
* Photo for reference only.
Multi-Key
A flexible control key for reset with BIOS-level reconfiguration options for diverse usage scenarios.
RGB Switch
Disable all light displays on the motherboard.
Direct-to-BIOS
Access the BIOS settings directly without keyboard inputs.
Safe Mode
Access BIOS safe mode to modify select settings while preserving other configurations.
Optimal DRAM Installation Indicator
The DRAM Indicator LED will turn on when a module is installed into a non-recommended slot.
Q-Flash Auto Scan
The new Auto Scan function features when using USB flashdrive during Q-Flash, the BIOS file will be auto scanned instead of searching manually.
Q-Flash Plus
Effortlessly upgrade your BIOS without the need to install CPU, RAM, or GPU.
Step 1
Connect the 24-pin and 8-pin power cables directly to the motherboard.
Step 2
Download the motherboard's BIOS file, rename it to 'gigabyte.bin', and store it on a FAT32-formatted USB drive. Insert the drive into the Q-FLASH PLUS USB port.
Step 3
Press the Q-FLASH PLUS button to trigger automatic BIOS updating.
Future Connectivity
Enable the ultimate connection experience with blazing data-transfer speeds through the next generation network, storage, and Wi-Fi connectivity.
All-Round Connectivity
- Dual Native 40Gbps USB4
- 5GbE LAN
- Wi-Fi 7
- Directional Ultra-high Gain Antenna
Dual 40Gbps USB4 with DP-Alt
The dual latest USB4 Type-C ports provide blistering fast and reliable transfer speed up to 40 Gbps of each. Featuring extensive compatibility, efficient charging, and ultra-HD displayport connectivity, USB4 is beneficial to video editing, large file transfers, and data-intensive tasks.
5GbE LAN
Design deliver blisteringly fast transfer speeds to ensure the most stable transmission environment when the system is performing cloud computing or providing external computing services.
Wi-Fi 7 Brings You the Ultimate VR Experience
Wi-Fi 7 transforms the VR landscape with its exceptional bandwidth and minimal latency, delivering an unparalleled, seamless immersive VR experience.
320 MHz Channels
Wi-Fi 7 introduces support for expansive 320 MHz channels, dramatically increasing bandwidth for unprecedented data transfer speeds.
4K-QAM
Leveraging 4K-QAM technology, Wi-Fi 7 elevates data throughput, enabling lightning-fast file transfers and buffer-free streaming.
Multi-Link Operation
Wi-Fi 7's MLO (Multi-Link Operation) technology allows strategic bandwidth allocation - dedicating 2.4GHz for streaming and 5/6GHz for gaming, resulting in a superior and interruption-free network experience.
Deterministic Low Latency
With its deterministic low latency, Wi-Fi 7 minimises delays, making it the best choice for time-sensitive applications such as video conferencing and competitive online gaming.
Directional Ultra-High Gain Antenna
Boost your signal strength with GIGABYTE's Ultra-high gain Antenna, featuring smart antenna technology for optimised Wi-Fi signal transmission.
- Direction signal up to 5dBi
- Omnidirectional signal up to 4dBi
- Magnetic Base
Immerse Audio
Audiophile Grade Capacitors
Premium Grade Audio capacitors ensure consistent power delivery, recreating a professional studio-quality sound experience.
True High-Fidelity Music
Dive into enveloping surround sound and enjoy DSD audio playback with the Realtek Codec.
Ultra Durable™
Born from Ultra Durable™
Technology embodies our commitment to excellence, providing gamers with a platform that's not only powerful but also built for longevity and reliability. Elite series motherboards are engineered to endure and excel.
PCIe UD Slot
The one-piece, stainless-steel shielding design reinforces the Memory Slots, and maximises signal integrity and overclocking potential.
- 1.7X stronger shearing test
- 3.2X stronger retention force test
- Reduced Signal Degradation with SMD Technology
UD Base Plate
With an Metal base plate providing enhanced stability and support, this design not only boasts an attractive appearance but also excels in functionality.
UD Power Connector
Our innovative UD Power Connector design enhances power conductivity and thermal dissipation.
Solid Pins
Delivers superior conductivity and signal transmission and reduces metal wear from repeated connections.
Tailored Computing
Collaborative Excellence in Computing
More superb, user-friendly, customised BIOS & software.
GIGABYTE motherboards showcases our devotion to BIOS improvement. Through synergy with our user community, we democratise next-level computing power.
UC BIOS
Restructured with user-centred and intuitive performance adjustment mechanisms.
Multi-Theme
Multiple BIOS skin with newly exclusive greyscale mode.
Now users can choose different BIOS themes with one simple click It not only delivers an immersive user experience but also offers a brand new user-friendly theme: Greyscale.
AIO Fan Control
Adjust AIO fan speed in the BIOS.
Enable non-windows users to adjust AIO fan speed in the BIOS before entering the OS.
* Supports for AORUS WATERFORCE X II series AIO only.
Refined BIOS Interface
GIGABYTE User-Centred (UC) BIOS elevates the interface, delivering an optimised experience through an easy-to-navigate layout and attractive design for optimal usability.
Quick Access Function
GIGABYTE UC BIOS' Quick Access function selects brings 9 key options from Advanced Mode directly into Easy Mode, enabling swift adjustments without extensive navigation.
Gigabyte Control Center
A unified software platform encompassing multiple GIGABYTE product.
RGB Fusion
Personalise the RGB illumination on your motherboard and connected peripherals.
Spotlight Your Flair
Liberate your imagination using GCC's versatile illumination options for your motherboard. Tailor your setup with eye-catching displays that mirror your unique personality and preferences.
Varnish Your Shine
Programmable RGB LED connectors enable precise control over individual LEDs (for ARGB GEN2 devices), seamlessly managed through the GCC.
*The information provided is for reference; please prioritise your specific setup and specifications.
- 1x RGB LED header
- 3x ARGB LED headers
HWiNFO Exclusive Partnership
- AORUS & HWiNFO Co-branded OSD
Aorus & HWiNFO Co-Branded OSD
AORUS and HWiNFO co-branded OSD(On-Screen Display) can display values as text or graphs in an overlay or independent window, also in full-screen applications and games, with no need for additional software installation.
Default Aorus Skin
When using HWiNFO on a GIGABYTE motherboard, a custom AORUS-themed interface automatically activates, offering light and dark options. This AORUS Skin can be manually applied to non-GIGABYTE boards as well.
*AORUS skin auto-applies when detecting a GIGABYTE motherboard.
Memory Timings Monitor
Thanks to the collaborative efforts of GIGABYTE and HWiNFO experts, this sophisticated monitoring tool now provides unprecedented detail in memory timing readouts. This empowers users to closely track memory performance and gather crucial insights.
Detailed BIOS Information
GIGABYTE motherboard users can now access comprehensive BIOS details in real-time through HWiNFO. This includes toggle and tweaker statuses, as well as BIOS versions. No need for system reboots to check BIOS info. anymore.
Backed by a 3 year Gigabyte warranty.
