AMD B550 Mini-ITX AORUS Motherboard with Direct 8 Phases Digital VRM, Advanced Thermal Design with Extended VRM Heatsink, Thermal Baseplate, Dual PCIe 4.0/3.0 M.2 with Thermal Guard, Intel® WiFi 6 802.11ax, 2.5GbE LAN, RGB FUSION 2.0, Q-Flash Plus

  • Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 and Ryzen™ 3000 G-Series Processors
  • Dual Channel ECC/ Non-ECC Unbuffered DDR4, 2 DIMMs
  • Direct 8 Phases Digital VRM Solution with 90A Smart Power Stage (SPS)
  • Advanced Thermal Design with Extended & Multi-Layered Heatsink and Thermal Baseplate
  • Ultra Durable™ PCIe 4.0 Ready x16 Slot
  • Dual Ultra-Fast NVMe PCIe 4.0/3.0 x4 M.2 with Thermal Guard
  • Onboard Intel® WiFi 6 802.11ax 2T2R & BT5 with AORUS Antenna
  • AMP-UP Audio with ALC1220-VB and Nichicon Audio Capacitors for Rear 120dB SNR
  • Blazing Fast 2.5GbE LAN with Bandwidth Management
  • USB 3.2 Gen2 Type-C™ & DisplayPort + Dual HDMI Support
  • RGB FUSION 2.0 Supports Addressable LED & RGB LED Strips
  • Smart Fan 5 Features Multiple Temperature Sensors , Hybrid Fan Headers with FAN STOP
  • Q-Flash Plus Update BIOS without Installing the CPU, Memory and Graphics Card
  • Pre-installed IO Shield for Easy and Quick Installation
Ultimate Power Design
UNPARALLELED PERFORMANCE
Advanced Thermal Solution
Next Generation Connectivity
Hi-Fi Audio System
Definitive Aesthetics
Ultra Durable
GIGABYTE BIOS & APP CENTER
Ultimate Power Design
UNPARALLELED PERFORMANCE
Advanced Thermal Solution
Next Generation Connectivity
Hi-Fi Audio System
Definitive Aesthetics
Ultra Durable
GIGABYTE BIOS & APP CENTER
Best Choice for Small but Powerful PC
B550I AORUS PRO AX is a mini-ITX motherboard perfect for building a small form factor PC for people who demands higher performance but also cares about aesthetics. The compact yet powerful pc delivers amazing performance with the latest CPU, graphic card and blazing fast connectivity. It also equips with comprehensive thermal solution to keep it cool under heavy workload. Performance is not compromised by its size.
1
Direct 8 Phase Digital Power Design
  1. 90A Smart Power Stage
  2. Direct 8 Power Phase
  3. 8 Layer Low Loss PCB
  4. PCIe 4.0 Ready
  5. 2X Copper PCB
2
Advanced Thermal Design
  1. Extended VRM Heatsink with heatpipe
  2. Multi-Layered PCH/M.2 Heatsink
  3. Aluminum Backplate
  4. 5 W/mK LAIRD Thermal Pad
3
Audio Solutions
  1. ALC1220-VB Audio
  2. Nichicon Fine Gold Audio Capacitors
4
RGB FUSION 2.0
  1. Addressable LED Header*1
  2. RGB LED Header*1
5
Supports 3rd Gen AMD Ryzen™ Processors
6
Dual Channel DDR4, 2 DIMMs with Ultra Durable Memory Armor
  1. DDR4 XMP Up to 5300MHz+
7
Solid Pin Power Connectors
  1. 24 Pin ATX Power Connector
  2. 8 Pin CPU Power Connector
8
4 x SATA 6Gb/s ports
9
Dual M.2 Connectors
1. 2280 M.2 with Thermal Guard
  1. PCIe 4.0 M.2 Connector
  2. NVMe PCIe 4.0/3.0 x4 and SATA Mode (from CPU)
2. 2280 M.2 (Back of PCB)
  1. NVMe PCIe 3.0 x4 and SATA Mode (from Chipset)
10
Smart Fan 5 + FAN STOP
  1. 3 Fan Connectors
  2. 5 Temperature Sensors
11
Ultra Durable PCIe Armor Running x16
  1. PCIe 4.0 Slot
  2. Running x16 for dGPU
1. DisplayPort
2. HDMI*2
3. Q-Flash Plus Button
4. 2.5 GbE LAN
5. Rear USB 3.2 Gen2 Type-C™
6. Intel® WiFi 6 802.11ax & BT5
AMD StoreMI Technology
GIGABYTE B550 motherboards maximize your PC's potential with AMD StoreMI technology. StoreMI accelerates traditional storage devices to reduce boot times and enhance the overall user experience. This easy-to-use utility combines the speed of SSDs with the high capacity of HDDs into a single drive, enhances the read/write speeds of the device to match that of SSDs, bolsters data performance for incredible value, and transforms the everyday PC to a performance driven system.

The benefits of AMD StoreMI:
• Making the PC experience fast, smooth and easy
• Optimizing computer responsiveness from system boot to application launch
• Offering SSD performance with HDD capacity at an affordable cost
• Quickly accessing key files by automatically learning users' computing behaviors

Detail information please refer AMD official website: https://www.amd.com/en/technologies/store-mi
Ultimate power Design
To fully support the latest 3rd Gen AMD Ryzen™ processors, B550 motherboards equip with the ultimate power solution which is true direct, digital and multiple phases. After countless experiments and testing, GIGABYTE presents the unbeatable B550 motherboards for enthusiast. No Compromise and never stop to achieve higher.
8 Phases
Digital Power Design
Power Architecture
Power Efficiency
2X Copper PCB
Digital PWM
Driver MOSFET
All-Solid Capacitor
CPU Power Connector
  • New Direct Multiphase Power Design
  • No Doubler / Not Parallel
  • Digital PWM Controller
  • 90A Smart Power Stages
  • The Lowest Voltage Ripple
  • Higher Efficiency Lower Temperature
550I AORUS PRO AX motherboard uses an pure digital CPU power design which includes a digital PWM Controller and a total 6+2 phases for Vcore and SOC, is capable of providing 90A from each phase and a total of 720A power design. With 8 Solid-pin CPU Power Connectors offer incredible precision and stability in delivering power to the motherboard's most power-hungry and energy-sensitive components, allowing enthusiasts to get the absolute maximum overclocking performance from 3rd Gen AMD Ryzen™ processors.
1. Digital PWM
2. Driver MOSFET
3. All-Solid Capacitor
4. CPU Power Connector
Power Efficiency & Voltage Ripple Graph
GIGABYTE's exclusive 2X Copper PCBs design provides sufficient power trace paths between components to handle greater than normal power loads and to remove heat from the critical CPU power delivery area. This is essential to ensure the motherboard is able to handle the increased power loading that is necessary when overclocking.
Unparalleled Performance
GIGABYTE realize that customer won't stop chasing a better computing performance. We take care of it and implement on products. Protective and optimized memory trace enhance the performance. Faster read and write are needed to save time and improve efficiency. We offer plenty of M.2 storage with thermal guards to ensure unthrottled read and write. In advance, adopting PCIe 4.0 ready components get the B550 motherboards easier to upgrade.
XMP 5300+
PCIe 4.0
Hardware Design
2X M.2
PCIe 4.0/3.0
1. PCIe 4.0 Slot
Reinforced PCIe 4.0 x16 with lower impedance.
2. M.2 PCIe 4.0 Slot
M.2 PCIe 4.0 x4 slot with lower impedance.
M.2 + M.2

Extreme sequential Read 6560 MB/s, Sequential Write 6669 MB/s speed
Dual NVMe M.2 PCIe SSDs in RAID 0 Support
Performance with PCIe 4.0 x4 + PCIe 3.0 x4 NVMe PCIe SSDs
B550 AORUS motherboards offer the industry's best compatibility in terms of NVMe storage for users who demand high capacity and seek the best performance. AORUS' unique design can be configured in RAID for record speeds of up to 6560 MB/s (Sequential Read), making AORUS the obvious choice for the ultimate PC.
Advanced Thermal Solution
Unthrottled performance is guaranteed by the advanced thermal solution which including Extended VRM Heatsink, Heatpipe, Thermal Guards, and Baseplate. B550 motherboards are cool on MOSFETs and M.2 SSDs even on full loading. It provides lower temperatures for enthusiasts and professional gamers.
Thermal Solution
Smart Fan 5
1 Grooves on Heatsink Improve Airflow
2 Heatpipe
3 Multi-Layered Heatsink for M.2 SSD and Chipset
4 Thermal Baseplate
Next Generation Connectivity
A high-end product needs to be future-proof so your system stays up-to-date with the latest technology. B550 motherboards provide all next generation network, storage, and WIFI connectivity to keep you up to speed.
2.5G LAN
WIFI 6 802.11ax
AORUS Antenna
HDMI
First Adopter on 2.5GbE LAN Onboard

2X Faster than ever
Adoption of 2.5G LAN provide up to 2.5 GbE network connectivity, with at least two times faster transfer speeds compared to general 1GbE networking. It’s perfectly suit for gamers and streamer with ultimate and smooth online experience. It also backward compatible with Multi-Gig(10/100/1000/2500Mbps) RJ-45 ethernet.


New Introduce Intel® WiFi 6 802.11ax + BT 5 Module
Intel Wireless solution supports 802.11ax, enables gigabit wireless performance, provides smooth video streaming, better gaming experience, few dropped connections and speeds up to 2.4Gbps*. Moreover, Bluetooth 5 provides 4X range over BT 4.2 and with faster transmission.
Benefit of WiFi 6:
  1. 5.5X throughput than 802.11ac 1x1*
  2. 4X better network capacity, no traffic jams especially in those dense area with lots of devices
  3. Network efficiency increase for better user experience
AORUS Antenna Supports Dual Band with Better WIFI Signal
  1. All new antenna supported dual band 802.11ax/ac 2.4GHz & 5GHz.
    better signal strength compared to traditional antenna design
  2. AORUS Antenna with smart antenna function for the best WIFI signal transmitting
  3. Multiple angle tilt and magnetic base for the best signal strength direction and location
Dual HDMI 2.1 for 4K / 60P / 21:9 / HDCP 2.3 Support
HDMI 2.1, which is backwards compatible with HDMI 2.0/ 1.4 and offering 48 Gb/s of bandwidth – twice times more than previous generation. This unlocks the potential for users to transfer multiple video streams, as well as a native cinematic 21:9 ratio (which most movies are shot in), Full HDR and HDCP 2.3 support, to offer the best visual experience for viewers.

Note: Only New Gen AMD Ryzen™ with Radeon™ Graphics processors support displaying function.

HI-FI AUDIO SYSTEM
For enthusiasts, sound quality is just as essential to the gaming experience. B550 motherboards are equipped with high quality audio components such as Nichicon Fine Gold capacitors to provide a superb audio experience. The exclusive AORUS AMP-UP Audio technology makes for the ideal onboard sound solution for the most demanding audiophiles.
Hi-Res Audio
Hi-Res Audio certified, meaning that the product is capable of reproducing frequencies up to 40kHz or above which ensures user with the best audio quality at all times.
ALC1220-VB Immersive Gaming ViBes
All New Realtek High-End HD Audio Codec
ALC1220 120dB(A) SNR HD Audio with Smart Headphone Amp automatically detects impedance of your head-worn audio device, preventing issues such as low volume and distortion.
With the new VB series audio controller, stream your voice to the world vibrantly with both front/rear microphone SNR up to 110/114dB(A).
Definitive Aesthetics
B550 motherboards feature RGB FUSION 2.0 and offer the option to control onboard, external light strips, and/or AORUS devices with RGB/ Addressable RGB LEDs to make your PC unique and stylish.
RGB FUSION 2.0
RGB FUSION Software
RGB FUSION APP
Multi-Zone Light Show Design
Now offering more LED customizations than ever, users can truly adapt their PC to represent their lifestyle. With full RGB support and a redesigned RGB Fusion 2.0 application, the user has complete control over the LEDs which surround the motherboard.
Note: Lighting effects depicted are for demonstration purposes only. Actual lighting effects may vary by model.
With an integrated intuitive user interface, the RGB Fusion 2.0 provides you a better solution for customizing the lighting effects across all supported devices. From motherboards, graphics cards to the peripheral products, you can personalize your gaming rig with your own style and show off your build by sharing the profiles. In addition, the new gaming mode makes the lighting effects interactive with selected games to bring you the most immersive gaming experience.
Sync with one click
Individual control as you wish

GIGABYTE RGB Fusion APP

Don't just make your PC shine, make it a work of art that friends will envy. With the GIGABYTE RGB Fusion mobile app users can watch as they control the lighting within their gaming PC. This gives users ease of access as they try and adjust colors and speeds for different modes, all this can be achieved away from the keyboard and monitor of their PC.

Ultra Durable
GIGABYTE is reputable for its product durability and high standard of manufactured process. Needless to say, we use the best, high quality components on B550 motherboards and reinforce each part of components to be solid and durable.
PCIE Armor
2X Memory Armor
Solid Pin
Q-Flash Plus
Ultra Durable™ PCIe Armor
Industry Leading Ultra Durable™ PCIe Armor
The innovative one piece stainless steel shielding design from GIGABYTE reinforces the PCIe connectors to provide the extra strength required to support heavy graphics cards.
Ultra Durable™ Memory Armor
AORUS' exclusive one piece stainless steel shielding design prevents against PCB distortion/twisting and plate bending, in addition to preventing any possible ESD interference.
Solid Pin Power Connectors
B550I AORUS PRO AX feature solid plated ATX 24pin & ATX 12V 8pin power connectors to offer a stable power supply during CPU overloading.
Solid Pin Power connector advantages
  1. Larger contact area for electricity
  2. More metal quantity to sustain higher power and generated heat
  3. Ultra durable and longer lifespan
Q-Flash Plus
Update the BIOS easily without installing the CPU, memory and graphics card.
GIGABYTE BIOS & APP CENTER
Good software goes hand in hand with perfect hardware. B550 motherboards bundled several useful and intuitive software to help users to control every aspect of motherboard.
BIOS
APP Center
Easy Tune
@BIOS
System Information Viewer
BIOS
New User Interface
All new EASY MODE shows important hardware information in one page including CPU clock, Memory, Storage, Fan.
My Favorites
Add constantly used items into the favorite menu for quick access.
Storage Information
Show all kinds of storage information including SATA, PCIE and M.2 interface.
Changelog
List all changes before saving and exiting bios. Quickly review overall settings modification.
Intuitive Load Line Curve
Clearly show each loadline calibration setting in an intuitive curve graph.
APP CENTER
GIGABYTE APP CENTER is a useful portal of all GIGABYTE MB utilities and drivers, you can choose any utility you want to install from APP CENTER and keep updated with the latest utilities and drivers version.
EasyTune™
GIGABYTE's EasyTune™ is a simple and easy-to-use interface that allows users to fine-tune their system settings or adjust system and memory clocks and voltages in a Windows environment. With Smart Quick Boost, one click is all it takes to automatically overclock your system, giving an added performance boost when you need it the most.
@BIOS
The GIGABYTE @BIOS app allows you to update your system's BIOS from within Windows using a simple and slick graphical user interface. @BIOS can automatically download the latest version from the GIGABYTE servers or you can update your BIOS from a file on your computer. @BIOS also allows you to save your current BIOS to a file, recover your previous BIOS from an image and backup your BIOS to an image.
System Information Viewer
GIGABYTE System Information Viewer is a central location that gives you access to your current system status. Monitor components such as the clocks and processor, set your preferred fan speed profile, create alerts when temperatures get too high or record your system's behavior; these are the possibilities of the System Information Viewer.
XSplit Gamecaster + Broadcaster: Cast Your Game Anytime, Anywhere
Now set up your stage and share the greatest gaming moments with XSplit Gamecaster + Broadcaster! Fully optimized social media integration is ready for real-time chats—keeping you notified yet focused in the game. It takes just one click to stream your gameplay to Twitch. Host your game like a pro!

* Free 14 days XSplit Gamecaster + Broadcaster Premium License.

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* The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI Trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
* Product specifications and product appearance may differ from country to country. We recommend that you check with your local dealers for the specifications and appearance of the products available in your country. Colors of products may not be perfectly accurate due to variations caused by photographic variables and monitor settings so it may vary from images shown on this site. Although we endeavor to present the most accurate and comprehensive information at the time of publication, we reserve the right to make changes without prior notice.