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Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX

Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
36 mo.
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
R3,443
The GIGABYTE B550I AORUS PRO AX is a Mini-ITX motherboard based on the AMD B550 chipset and Socket AM4, designed for compact high-performance systems. It supports AMD Ryzen 5000 Series processors and up to 64 GB of DDR4 memory across two DIMM slots with overclocking support up to 5300 MHz (OC). Key ... Read More
Stock 4 Code 26398 Brand GIGABYTE Model B550I AORUS PRO AX Warranty 3 Years

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Estimated delivery Thursday, October 1
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The GIGABYTE B550I AORUS PRO AX is a Mini-ITX motherboard based on the AMD B550 chipset and Socket AM4, designed for compact high-performance systems. It supports AMD Ryzen 5000 Series processors and up to 64 GB of DDR4 memory across two DIMM slots with overclocking support up to 5300 MHz (OC). Key onboard features include dual PCIe 3.0 M.2 slots, WiFi 6E, 2.5GbE LAN and USB 3.2 Gen2 ports, providing balanced connectivity and fast storage options for small form-factor builds.

Advantages

The board combines a robust 8-phase digital VRM for stable power delivery with a compact Mini-ITX form factor, enabling reliable performance in space-constrained systems. Integrated WiFi 6E and 2.5GbE LAN deliver modern networking options, while dual M.2 slots and USB 3.2 Gen2 ensure high-speed storage and peripheral connectivity. Support for Ryzen 5000 Series CPUs and high-frequency DDR4 memory allows for strong single-thread and multi-thread performance in gaming and productivity tasks.

Suitable for

  • Compact gaming PCs and small-form-factor builds
  • Home or office workstations requiring high single-core performance
  • Content creation rigs that need fast NVMe storage and reliable networking
  • Upgrades for AM4 platform users seeking WiFi 6E and 2.5GbE connectivity

Key specifications

  • Form factor: Mini ITX
  • Chipset: AMD B550
  • Socket: AM4 (supports AMD Ryzen 5000 Series)
  • Memory: 2 x DIMM, DDR4 up to 64 GB, up to 5300 MHz (OC)
  • Storage: 2 x PCIe 3.0 M.2 slots
  • Networking: WiFi 6E, 2.5GbE LAN
  • USB: USB 3.2 Gen2 ports
  • Power delivery: 8-phase digital VRM

How to use

Install the motherboard into a compatible Mini-ITX chassis and mount an AM4 CPU supported by the B550 chipset, following standard CPU and cooler installation procedures. Populate the two DDR4 DIMM slots with compatible memory modules (up to 64 GB total) and install NVMe SSDs into the M.2 slots for fast storage. Connect power, front-panel headers, and I/O peripherals, then configure BIOS settings to enable desired memory XMP/OC profiles and storage/NIC options. Install the operating system and required drivers from GIGABYTE to ensure full functionality of WiFi 6E, 2.5GbE and chipset features.

Recommendations

For optimal stability and performance, use high-quality cooling suitable for compact cases, update the BIOS to the latest version before installing a Ryzen 5000 Series CPU, and populate memory in dual-channel mode with matched DDR4 modules. Use NVMe drives in the M.2 slots for the operating system and applications to take advantage of faster load times and responsiveness.
Key Highlights
  • 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 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
  • AMD Socket AM4 AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
  • PC mini ITX AMD B550 Realtek ALC1220-VB 7.1 channels
  • DDR4-SDRAM 2 DIMM Maximum internal memory: 64 GB
  • HDD & SSD M.2, SATA RAID support Number of storage drives supported: 6
  • BIOS type: UEFI AMI 128 Mbit ACPI version: 5.0 Clear CMOS jumper
  • 2.5 Gigabit Ethernet Wi-Fi Wi-Fi 6E (802.11ax) Bluetooth 5.3
Specifications
12V power connector
Yes
1st M.2 highest PCI Express generation
4.0
1st M.2 largest key size
2280
2nd M.2 highest PCI Express generation
3.0
2nd M.2 largest key size
2280
ACPI version
5.0
Antenna included
Yes
ATX Power connector (24-pin)
Yes
Audio chip
Realtek ALC1220-VB
Audio output channels
7.1 channels
Batteries included
Yes
Battery technology
Lithium-Manganese Dioxide (LiMnO2)
Battery type
CR2032
Battery weight
3 g
BIOS memory size
128 Mbit
BIOS type
UEFI AMI
Bluetooth
Yes
Bluetooth version
5.3
Bundled software
Norton® Internet Security (OEM version) XSplit Gamecaster + Broadcaster (12 months license) Realtek® 8125 Gaming LAN Bandwidth Control Utility
Clear CMOS jumper
Yes
Compatible processor series
AMD Ryzen 3000 Series, AMD Ryzen 4000 Series, AMD Ryzen 5000 Series
Component for
PC
Cooling type
Passive
Country of origin
Taiwan
CPU fan connector
Yes
Depth
170 mm
Desktop Management Interface (DMI) version
2.7
DirectX version
12.0
DisplayPort version
1.4
DisplayPorts quantity
1
DVI-D ports quantity
0
ECC сompatibility
ECC & Non-ECC
EPS power connector (8-pin)
Yes
Ethernet interface type
2.5 Gigabit Ethernet
Ethernet LAN
Yes
Ethernet LAN (RJ-45) ports
1
Front panel audio connector
Yes
Front panel connector
Yes
Harmonized System (HS) code
84733020
HDCP
Yes
HDMI ports quantity
2
HDMI version
2.1
Headphone outputs
1
Height
35 mm
LAN controller
Realtek RTL8125
Line-in
Yes
Lithium weight per battery
0.07 g
Maximum internal memory
64 GB
Maximum internal memory per slot
32 GB
Maximum number of SMP processors
1
Maximum resolution
5120 x 2880 pixels
Memory channels
Dual-channel
Memory slots type
DIMM
Microphone in
Yes
Motherboard chipset
AMD B550
Motherboard chipset family
AMD
Motherboard form factor
mini ITX
Number of battery cells
1
Number of chassis fan connectors
2
Number of CPU fan connectors
1
Number of displays supported
3
Number of EPS power connectors (8-pin)
1
Number of HDDs supported
4
Number of M.2 (M) slots
2
Number of memory slots
2
Number of RGB LED pin headers
2
Number of SATA III connectors
4
Number of storage drives supported
6
Number of water pump connectors
2
Package depth
235 mm
Package height
97 mm
Package weight
1.4 kg
Package width
265 mm
Parallel processing technology support
Not supported
PC health monitoring
Fan, Temperature, Voltage
PCI Express x16 (Gen 4.x) slots
1
Power source type
ATX
Processor manufacturer
AMD
Processor socket
Socket AM4
Product colour
Black
Products per shipping (inner) case
1 pc(s)
RAID levels
0, 1, 10
RAID support
Yes
RGB LED pin header
Yes
Screws included
Yes
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
Supported memory types
DDR4-SDRAM
Supported processor sockets
Socket AM4
Supported storage drive interfaces
M.2, SATA
Supported storage drive types
HDD & SSD
System Management BIOS (SMBIOS) version
2.7
Top Wi-Fi standard
Wi-Fi 6E (802.11ax)
TPM connector
Yes
Unbuffered memory
Yes
USB 2.0 connectors
1
USB 2.0 ports quantity
0
USB 3.2 Gen 1 (3.1 Gen 1) connectors
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
USB 3.2 Gen 2 (3.1 Gen 2) connectors
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
1
VGA (D-Sub) ports quantity
0
Warranty period
3 year(s)
Weight
790 g
Wi-Fi
Yes
Wi-Fi standards
802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax)
Width
170 mm
WiFi-AP antenna jack
2
Windows operating systems supported
Windows 10 x64, Windows 11 x64
WLAN controller model
AMD RZ608

Manual

Open Manual

Leaflet

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Price history over the last 6 months
Motherboard GIGABYTE B550I AORUS PRO AX, B550, AM4, Mini-ITX
Current
R3,443
Lowest
R3,107
Highest
R3,463
Change 24H
+R218   +7%
Week
+R248   +8%
Month
+R336   +11%

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