Gigabyte B550I AORUS PRO AX
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Gigabyte B550I AORUS PRO AX
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
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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.
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.
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| $157.21 |  | ||||
| $158.00 |  | ||||
GIGABYTE B550I AORUS PRO AX AM4 AMD B550 Mini-ITX Motherboard with Dual M.2, SATA 6Gb/s, USB 3.2 Gen 1, WIFI 6, 2.5 GbE LAN, | $209.99 |  | |||
| $214.49 | | ||||
GIGABYTE - B550 I AORUS PRO AX AM4 USB3.1 AMD Motherboard - Small Form Factor - Black B550 I AORUS PRO AX | $253.26 |  | |||
Series Gigabyte Aorus (gaming)
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, White Edition
gaming, 31.5 ", 4K, 3840x2160 (16:9), QD-OLED, response 0.03 ms, 240 Hz, 10-bit (1.07B Colors), 1.07B, DCI-P3 99 %, HDMI, v 2.1, DisplayPort, mini DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, KVM-switch, speakers, AMD FreeSync Premium Pro, HDR, TÜV Rheinland
high performance, game, 16 ", 2560x1600 (16:10), OLED, 240 Hz, Core Ultra 9, 275HX, 2.1 GHz, RAM 32 GB, DDR5, RTX 5080, SSD M.2 NVMe, 1 TB, Win 11 Home, USB-A 10Gbps, USB-C 40G (USB4), USB-C 80G (USB4), Thunderbolt, Wi-Fi 7, VR, fast charge, 3D face scanner, 2.5 kg
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB-C, HDMI, M.2, no backlight
gaming, 27 ", 2560x1440 (16:9), QD-OLED, response 0.03 ms, 500 Hz, 10-bit (1.07B Colors), 1.07B, DCI-P3 99 %, HDMI, v 2.1, DisplayPort, mini DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, KVM-switch, speakers, AMD FreeSync Premium Pro, NVIDIA G-Sync Compatible, HDR
ATX, socket AM5, chipset AMD X870E, 4 x DDR5, DIMM, 9000 MHz, USB-C, USB4, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling
gaming, 31.5 ", 4K, 3840x2160 (16:9), IPS, response 1 ms, MPRT 1 ms, 144 Hz, 8-bit + FRC (1.07B Colors), 1.07B, sRGB 123 %, DCI-P3 90 %, HDMI, v 2.1, DisplayPort, USB-C (DP Alt Mode), ХАБ: USB-A 2x5Gbps, KVM-switch, AMD FreeSync Premium Pro, HDR, TÜV Rheinland
ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8200 MHz, USB-C, USB4, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling
gaming, 27 ", 2560x1440 (16:9), IPS, response 4 ms, 165 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 95 %, HDMI, DisplayPort, ХАБ: USB-A 2x5Gbps, AMD FreeSync Premium, HDR
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling
gaming, 32 ", 2560x1440 (16:9), IPS, response 1 ms, 170 Hz, 8-bit (16.7M Colors), 16.7M, sRGB 120 %, DCI-P3 94 %, HDMI, DisplayPort, USB-C (DP Alt Mode), ХАБ: USB-A 2x5Gbps, KVM-switch, HDR, TÜV Rheinland
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling
48 ", 4K, 3840x2160 (16:9), OLED (WOLED), response 1 ms, 120 Hz, 10-bit (1.07B Colors), 1.07B, sRGB 130 %, DCI-P3 98 %, HDMI, v 2.1, DisplayPort, USB-C (DP Alt Mode), ХАБ: USB-A 2x5Gbps, KVM-switch, speakers, subwoofer, AMD FreeSync Premium, HDR
ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8000 MHz, USB-C, USB4, HDMI, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight, White Edition
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight, White Edition
ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8000 MHz, USB-C, USB4, HDMI, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8200 MHz, USB-C, USB4, HDMI, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling
ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8800 MHz, USB-C, USB4, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, White Edition
ATX, socket AM5, chipset AMD B650E, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, White Edition
mini-ITX, socket AM4, chipset AMD B550, 2 x DDR4, DIMM, 4866 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling
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
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 |
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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Video reviews
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We recommendCompare using chart →
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 4800 MHz, USB-C, HDMI, DisplayPort, M.2, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight, White Edition
ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8000 MHz, USB-C, USB4, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, White Edition
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, DisplayPort, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, CrossFire, M.2 cooling
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB-C, HDMI, DisplayPort, M.2, no backlight
micro-ATX, socket AM5, chipset AMD B650, 4 x DDR5, DIMM, 6000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, no backlight
E-ATX, socket AM5, chipset AMD X870E, 4 x DDR5, DIMM, 8200 MHz, USB-C, USB4, HDMI, M.2, > 4 SATA3, LAN 5 Gbps, CrossFire, Wi-Fi, M.2 cooling
ATX, socket AM5, chipset AMD X870E, 4 x DDR5, DIMM, 8400 MHz, USB-C, USB4, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling