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GIGABYTE · AM4 · B550I

GIGABYTE B550I AORUS PRO AX

Mini-ITX · DDR4 · 2 DIMMs · 8-phase VRM · Wi-Fi 6

Quality
57
VRM
34
Value
57
Amazon
$190
GIGABYTE B550I AORUS PRO AX
View GIGABYTE B550I AORUS PRO AX Gallery in high resolution
$190
Available Updated 2 days, 11 hours ago Prime FBA
Overall57.2
VRM34.0
Chipset80.0
Expansion / storage45.0
Connectivity49.0
Audio78.0
Quality / price57.2
$190 on Amazon Motherboard table Compare this motherboard

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Written analysis

GIGABYTE B550I AORUS PRO AX at a glance

The GIGABYTE B550I AORUS PRO AX uses the Mini-ITX form factor, AM4 socket, and B550I chipset. This is a balanced mainstream platform: enough expansion and connectivity for a performance PC without paying only for flagship extras.

Memory support is DDR4 across 2 DIMM slots, with up to 64 GB and rated overclocked speeds up to 5300 MT/s. The board can operate memory in ECC mode. XMP / EXPO memory-profile support is recorded for easier tuning.

Best fit: a mainstream gaming, home, or office system with moderate expansion needs.

Power delivery

The calculated VRM score is 34.0, placing the power delivery in the entry-level class. The board lists 8 CPU power phases, 90 A power stages in a 8+1 layout. CPU power input is listed as 1. It is best paired with mainstream 65–105 W-class processors and good case airflow.

Expansion and storage

The expansion and storage score is 45.0: focused on the essentials. The platform supports PCIe 4.0. Physical expansion includes 1 ×16 slot.

On-board storage consists of 2 M.2 slots and 4 SATA ports. Supported M.2 lengths are listed as 2260, 2280. The two-slot layout covers a typical OS-and-games or OS-and-project-drive setup.

Connectivity and rear I/O

The connectivity score is 49.0, rated essential. Wireless networking is Wi-Fi 6 ; wired networking is Realtek® 2.5GbE LAN chip (2.5 Gbit/1 Gbit/100 Mbit) at up to 2500 Mbps. Bluetooth 5 is included. The recorded USB provision is 6 rear connections; a front-panel total is not recorded. The specification sheet below separates every USB speed and connector type.

Display connectivity includes HDMI 2.1, DisplayPort 1.4. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 78.0. This is a quality mid-range implementation using Realtek® ALC1220-VB codec, a good fit for gaming headsets and desktop speakers. The rear panel has 3 analogue jacks.

Buying verdict

Overall quality is 57.20, a mainstream result. The essential platform features are covered, while premium I/O and tuning extras are more selective.

At the recorded Amazon price, the quality-to-price score is 57.2—a balanced value for its feature class.

Board data

Full specifications

Platform, expansion, storage, rear I/O, internal headers, networking, audio, and board controls in one sheet.

General

Manufacturer
GIGABYTE
Motherboard
GIGABYTE B550I AORUS PRO AX
Chipset / socket
B550I / AM4
Form factor
Mini-ITX
Launch price
—
Amazon price
$190
Availability
In stock
Price updated
2 days, 11 hours ago

VRM

CPU phases
8 (90 A)
Power design
8+1
EPS connector
1

Memory

Type / slots
DDR4 / 2 DIMMs
Max capacity / OC
64 GB / 5300 MT/s
Per DIMM
32 GB
XMP / EXPO
Yes
ECC
Operates in ECC mode

PCIe

Supported version
PCIe 4.0
x16 physical
1
x16 Gen 4
1

Storage

M.2 slots
2
M.2 lengths
2260, 2280
SATA ports
4

Display outputs

HDMI
Yes · 2.1 · 4096x2160@60 Hz
DisplayPort
Yes · 1.4 · 5120x2880@60 Hz
USB-C DisplayPort
No

USB

Rear USB 3.2 Gen 1 Type-A 5 Gbps
4
Rear USB 3.2 Gen 2 Type-A 10 Gbps
1
Rear USB 3.2 Gen 2 Type-C 10 Gbps
1
Header USB 2.0
2
Header USB 3.2 Gen 1 Type-A 5 Gbps
2

Networking

Ethernet
Realtek® 2.5GbE LAN chip (2.5 Gbit/1 Gbit/100 Mbit)
LAN ports
1
LAN speed
2500 Mbps
Wi-Fi
Wi-Fi 6
Wi-Fi bandwidth
160MHz
Bands
2.4 GHz, 5 GHz
Antenna connectors
2
Bluetooth
5

Audio

Chipset
Realtek® ALC1220-VB codec
Analog jacks
3
Gold-plated jacks
No
Optical S/PDIF
No
Spatial audio
No

Buttons

BIOS flashback
No
Clear CMOS
No
Q-Flash Plus
Yes
Smart button
No
Onboard start / reset
No

Additional information

Memory notes
Supports DDR4 memory modules with speeds of 5300(O.C.) down to 2133 MHz. ECC memory (ECC mode) support varies by CPU. Supports both ECC and non-ECC Un-buffered DIMMs. It is recommended to refer to the official 'Memory Support List' for more information.
Display notes
Both DisplayPort and HDMI support HDCP 2.3 and HDR. Supports up to 3 displays at the same time. Maximum shared memory of 16 GB.
Expansion notes
The PCIEX16 slot's generation depends on the installed CPU. AMD Ryzen 5000/3000 Series processors support PCIe 4.0 x16 mode, while Ryzen 5000 G-Series/4000 G-Series processors support PCIe 3.0 x16 mode.
M2A_CPU
4.0 x4 · SATA · 2260, 2280 · CPU — The supported PCIe version depends on the installed CPU. AMD Ryzen 5000/3000 Series support PCIe 4.0, while Ryzen 5000G/4000G Series support PCIe 3.0.
M2B_SB
3.0 x4 · SATA · 2260, 2280 · Chipset
RAID
SATA (RAID 0, RAID 1, RAID 10)
Storage notes
The M2B_SB connector is located on the back of the motherboard.
USB notes
The rear USB 3.2 Gen 2 Type-A port is colored red. The internal USB 2.0 headers also support USB 1.1.
Audio notes
Supports 2/4/5.1/7.1-channel High Definition Audio. The back panel line out jack supports DSD audio. To configure 7.1-channel audio, you have to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.
Networking notes
Intel® Wi-Fi 6 AX200 module. Supports Wi-Fi standards a, b, g, n, ac with wave 2 features, ax. Up to 2.4 Gbps data rate. 2T2R antenna configuration. * Actual data rate may vary depending on environment and equipment.
Button notes
The board includes a Clear CMOS jumper, not a button.
Fan / RGB headers
1 CPU · — OPT · — AIO · 2 chassis · 1 ARGB · 1 RGB
Other headers
Front audio · System panel · TPM
Dimensions
17 cm x 17 cm

Extracted notes sit here. Official manufacturer copy is at the bottom of the page.

Amazon

Price history

Nearby quality

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VRM fit

VRM-appropriate CPUs

AM4 processors whose TDP sits in this board’s VRM window. Socket match is required; chipset extras still matter on sTR5. This is a power-delivery filter, not a ranked CPU guide.

Open AM4 CPUs in the CPU table

Discussion

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Vendor copy

Official manufacturer data

Raw manufacturer text kept for reference. Structured specs above are extracted from this copy and are the source for scores and tables.

Memory

2 x DDR4 DIMM sockets supporting up to 64 GB (32 GB single DIMM capacity) of system memory
Support for DDR4 5300(O.C.) / 5200(O.C.) / 5100(O.C.) / 4800(O.C.) / 4600(O.C.) / 4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C) / 3400(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133 MHz memory modules
Dual channel memory architecture
Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules*
* ECC memory (ECC mode) support varies by CPU
Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
Support for Extreme Memory Profile (XMP) memory modules
(Please refer "Memory Support List" for more information.)

Graphics

Integrated Graphics Processor:
1 x DisplayPort, supporting a maximum resolution of 5120x2880@60 Hz
* Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.
2 x HDMI ports, supporting a maximum resolution of 4096x2160@60 Hz
* Support for HDMI 2.1 version, HDCP 2.3, and HDR.
Support for up to 3 displays at the same time
Maximum shared memory of 16 GB

Expansion slots

1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:
AMD Ryzen™ 5000 Series* and Ryzen™ 3000 Series Processors support PCIe 4.0 x16 mode
* Actual support may vary by AMD CPU's specification.
AMD Ryzen™ Ryzen™ 5000 G-Series and Ryzen™ 4000 G-Series Processors support PCIe 3.0 x16 mode

Storage

1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2260/2280 SSDs:
- AMD Ryzen™ 5000 Series and Ryzen™ 3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs
- AMD Ryzen™ Ryzen™ 5000 G-Series and Ryzen™ 4000 G-Series Processors support SATA and PCIe 3.0 x4/x2 SSDs
1 x M.2 connector (M2B_SB) on the back of the motherboard, integrated in the Chipset, supporting Socket 3, M key, type 2260/2280 SSDs:
- Supporting SATA and PCIe 3.0 x4/x2 SSDs
4 x SATA 6Gb/s connectors, integrated in the Chipset:
- Support for RAID 0, RAID 1, and RAID 10

USB

CPU:
4 x USB 3.2 Gen 1 ports on the back panel
Chipset:
1 x USB Type-C™ port on the back panel, with USB 3.2 Gen 2 support
1 x USB 3.2 Gen 2 Type-A port (red) on the back panel
2 x USB 3.2 Gen 1 ports available through the internal USB header
2 x USB 2.0/1.1 ports available through the internal USB header

Internal I/O

1 x 24-pin ATX main power connector
1 x 8-pin ATX 12V power connector
1 x CPU fan header
2 x system fan headers
1 x addressable LED strip header
1 x RGB LED strip header
4 x SATA 6Gb/s connectors
2 x M.2 Socket 3 connectors
1 x front panel header
1 x front panel audio header
1 x speaker header
1 x USB 3.2 Gen 1 header
1 x USB 2.0/1.1 header
1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
1 x Clear CMOS jumper
＊All fan headers are subject to support AIO_Pump, Pump and high performance fan with the capability of delivering up to 2A/12V @ 24W.

Rear I/O

1 x DisplayPort
2 x HDMI ports
1 x USB 3.2 Gen 2 Type-A port (red)
4 x USB 3.2 Gen 1 ports
1 x USB Type-C™ port, with USB 3.2 Gen 2 support
1 x Q-Flash Plus button
1 x RJ-45 port
2 x SMA antenna connectors (2T2R)
3 x audio jacks

Wireless

Intel® Wi-Fi 6 AX200
WIFI a, b, g, n, ac with wave 2 features, ax, supporting 2.4/5 GHz Dual-Band
BLUETOOTH 5
Support for 11ax 160MHz wireless standard and up to 2.4 Gbps data rate
* Actual data rate may vary depending on environment and equipment.

Audio

Realtek® ALC1220-VB codec
* The back panel line out jack supports DSD audio.
High Definition Audio
2/4/5.1/7.1-channel
* To configure 7.1-channel audio, you have to use an HD front panel audio module and enable the multi-channel audio feature through the audio driver.

Special features

Support for APP Center
* Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
@BIOS
EasyTune
Fast Boot
Game Boost
ON/OFF Charge
RGB Fusion
Smart Backup
System Information Viewer
Support for Q-Flash Plus
Support for Q-Flash
Support for Xpress Install

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