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Gigabyte B550I AORUS PRO AX

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Gigabyte B550I AORUS PRO AX
AorusWi-FiM.2 coolingbacklight2.5 Gbps
Towards:compact PCs, gaming
Form Factor:mini-ITX
Socket:AM4
Chipset:AMD B550
BIOS:Ami
RAM slots:DDR4 2 sl
RAM form factor:DIMM
RAM clock:4866 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Additional connectors:DisplayPort
Power connector:24-pin
Processor power:8-pin

An exceptionally well-equipped mini-ITX 2020 motherboard based on the mid-range AMD B550 chipset. It features the AMD AM4 processor socket and is positioned as a high-end model from the popular family of gaming and overclocking products, Gigabyte AORUS. This family of boards is intended for hardcore gamers and enthusiasts who prefer rich functionality, maximum reliability, and impressive durability.

In addition to compact dimensions (170x170 mm), it supports current versions of system/peripheral interfaces and delivers robust communication capabilities provided by a 2.5-GbE LAN adapter from Realtek and a dual-band built-in Intel Wi-Fi 6 (802.11n/ac/ax) module with Bluetooth 5.1 support. Thanks to its outstanding compactness, the Gigabyte B550I AORUS PRO AX motherboard can be installed in small-sized SFF, mini-ITX, and microATX cases.

It is guaranteed to be compatible with 4/6/8/12/16-core Ryzen 3000 (Matisse/Matisse Refresh, 7nm) processors and Ryzen 4000 hybrid processors (Renoir, 7nm). Equipped with an 8-phase Digital VRM power subsystem with a large heatsink. With its advanced overclocking features, it will surely appeal to enthusiasts eager to extract maximum performance through the use of non-standard modes and custom manual tuning of system components.

All specifications
Specifications B550I AORUS PRO AX
Main
Featuresgaming for overclocking
SocketAM4
Form factormini-ITX
Power phases8
VRM heatsink
LED lighting
Lighting syncGigabyte RGB Fusion
Size (HxW)170x170 mm
Chipset
ChipsetAMD B550
BIOSAmi
UEFI BIOS
RAM
DDR42 slot(s)
Memory moduleDIMM
Operation mode2 channel
Max. clock frequency4866 MHz
Max. memory64 GB
XMP
Drive interface
SATA 3 (6Gbps)4
M.2 connector2
M.22xSATA/PCIe 4x
M.2 SSD cooling
Integrated RAID controller / RAID 0, RAID 1, and RAID 10 /
Expansion slots
PCIe 16x slots1 pcs
PCIe support4.0
Steel PCIe connectors
Internal connections
TPM connector
USB-A 2.01 pcs
USB-A 5Gbps1 pcs
Video outputs
HDMI output
HDMI versionv2.1
DisplayPort
DisplayPort versionv.1.4
Integrated audio
AudiochipRealtek ALC1220-VB
Sound (channels)7.1
Network interfaces
Wi-FiWi-Fi 6 (802.11ax) / Intel Wi-Fi 6 AX200 /
BluetoothBluetooth v5.0
LAN (RJ-45)2.5 Gbps
LAN ports1
LAN controllerRealtek 2.5GbE
External connections
USB-A 5Gbps4 pcs
USB-A 10Gbps1 pcs
USB-C 10Gbps1 pcs
BIOS FlashBack
Power connectors
Main power socket24-pin
CPU power8-pin
Fan power connectors3
Official Websitegigabyte.com
Added to E-CatalogMay 2020
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Gigabyte 2026 - new arrivals, bestsellers, and the most relevant models Gigabyte.
How to choose a motherboard?Motherboard is the main part of any computer. Here's how to choose the right one for work, play and entertainment

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Gigabyte B550I AORUS PRO AX AMD Ryzen B550 Mini ITX DDR4 Motherboard - Socket AM4

Unlock the full potential of your gaming PC with the Gigabyte B550 Gaming X V2 AMD Ry
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GIGABYTE B550I AORUS PRO AX AM4 AMD/B550/Mini-Itx/Dual M2/SATA 6Gb/s/USB 32 Gen 1/WiFi 6/25 GbE LAN/PCIe40/Realtek ALC1220-V

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GIGABYTE B550I AORUS PRO AX Motherboard - AMD Ryzen 5000 CPUs, 8 Phases VRM, up to 5300MHz DDR4, 1xPCIe 4.0 + 1xPCIe 3.0 M.2

Supports AMD Ryzen 5000 Series/ Ryzen 5000 G-Series/ Ryzen 4000 G-Series and Ryzen 3000 and Ryzen 3000 G-Series Processors. D... moreual 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 WiFi 6E 802.11ax & BT 5.2. 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. Elevate your computing experience with GIGABYTE's renowned motherboard series: AORUS, AERO, and GIGABYTE. Featuring innovative designs and advanced features, these boards offer exceptional performance and reliability. Whether you're a gamer, content creator, or professional, our series cater to your needs, ensuring uncompromising quality and cutting-edge. Processor. Supported processor sockets. Socket AM4. Maximum number of SMP processors. 1. Compatible processor series. AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series. Processor socket. Socket AM4. Processor manufacturer. AMD. Memory. Maximum internal memory per slot. 32 GB. Unbuffered memory. Yes. Maximum internal memory. 64 GB. Supported memory clock speed (max). 5300 MHz. Supported memory clock speeds. 5300,5200,5100,4800,4600,4400,4266,4133,4000,3866,3733,3600,3466,3400,3200,2933,2667,2400,2133 MHz. ECC сompatibility. ECC & Non-ECC. Memory channels. Dual-channel. Memory slots type. DIMM. Number of memory slots. 2. Supported memory types. DDR4-SDRAM. Storage controllers. RAID levels. 0, 1, 10. RAID support. Yes. Number of storage drives supported. 6. Number of HDDs supported. 4. Supported storage drive interfaces. M.2, SATA. Supported storage drive types. HDD & SSD. Graphics. Number of displays supported. 3. DirectX version. 12.0. HDCP. Yes. Maximum resolution. 5120 x 2880 pixels. Parallel processing technology support. Not supported. Internal I/O. Number of RGB LED pin headers. 2. RGB LED pin header. Yes. Number of water pump connectors. 2. TPM connector. Yes. 12V power connector. Yes. Number of EPS power connectors (8-pin). 1. EPS power connector (8-pin). Yes. Number of chassis fan connectors. 2. Number of CPU fan connectors. 1. CPU fan connector. Yes. ATX Power connector (24-pin). Yes. Front panel connector. Yes. Front panel audio connector. Yes. Number of SATA III connectors. 4. USB 3.2 Gen 1 (3.1 Gen 1) connectors. 1. USB 2.0 connectors. 1. Rear panel I/O ports. WiFi-AP antenna jack. 2. Microphone in. Yes. Headphone outputs. 1. Line-in. Yes.
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Gigabyte GAB55IAPW-00-G

B550I AORUS PRO AX is a mini-ITX motherboard perfect for building a small form factor PC for people who demands higher perfor... moremance 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.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.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.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.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.Smart Fan 5:- With Smart Fan 5 users can ensure that their gaming PC can maintain its performance while staying cool. Smart Fan 5 allows users to interchange their fan headers to reflect different thermal sensors at different locations on the motherboard. Not only that, with Smart Fan 5 more hybrid fan headers that support both PWM and Voltage mode fans have been introduced to make the motherboard more liquid cooling friendly.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
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Gigabyte B550I AORUS PRO AX ITX Motherboard for AMD Socket AM4 CPUs

Best Choice for Small but Powerful PC B550I AORUS PRO AX is a mini-ITX motherboard perfect for building a small form factor... morePC 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. 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. 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. 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. 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. 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. 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. 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. 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.
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Series Gigabyte Aorus (gaming)
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Model overview based on user reviews  
The Gigabyte B550I AORUS PRO AX is a mini-ITX motherboard designed for gaming and overclocking, featuring an AMD AM4 socket and AMD B550 chipset. It offers a robust power delivery system with 8 power phases and reinforced connectors, making it suitable for handling even 16-core processors in overclocking scenarios. The board includes two DDR4 slots supporting up to 64GB of RAM with a maximum clock frequency of 4866 MHz. It provides a variety of connectivity options, including Wi-Fi 6, Bluetooth v5.0, HDMI 2.1, DisplayPort 1.4, and multiple USB ports. However, users have noted issues such as frequent Bluetooth disconnections and a somewhat unfriendly UEFI interface. Additionally, the placement of the CMOS reset jumper and the fin-shaped antenna design are seen as inconvenient. Despite these drawbacks, the board is praised for its excellent VRM cooling and easy BIOS flashing, making it a solid choice for users seeking a compact yet powerful motherboard.
Pros

Cons

User reviews 2
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The price is very reasonable. I am satisfied with the purchase.
11 January 2021 
The board has exactly everything that a regular user needs... I felt that some functions were missing. According to reviews, the board has one of the best overclocking potentials, if, of course, someone needs it. It handles even 16-core processors in overclocking perfectly.
One of the best power delivery systems on boards of this class
Very cool board, especially VRM
Temperature sensor on VRM
Easy BIOS flashing
All connectors are reinforced
No active cooling
3 fan ports are a bit too few
no option to connect a thermal sensor to the board
The CMOS reset jumper is in an inconvenient spot
A fin-shaped antenna that needs to be placed on the table - not the best solution
It's unclear what the engineers were thinking placing a large aluminum block over the m.2 slot, it may be a problem for very hot SSDs
Not the most user-friendly UEFI interface, some settings are so deeply buried that you can't find them the first time
Vladimir: use Gigabyte B550I AORUS PRO AX less than month
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normal model, nothing special
6 April 2021 
Like everyone else in this price category.
The main and primary problem is that Bluetooth often disconnects. Updating the BIOS does not solve the issue.
Aleksey Bezdomnikov: use Gigabyte B550I AORUS PRO AX few months
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