Is this motherboard suitable for a small form factor (sff) build?

Yes, this motherboard is identified as a suitable choice for small form factor builds.

Is this motherboard compatible with ECC RAM?

Yes, the motherboard supports ECC memory.

Can this motherboard fit into a mini-ITX PC case?

Yes, this motherboard has a Mini ITX form factor, making it compatible with mini-ITX PC cases.

Can I install multiple SSDs on this motherboard?

Yes, this motherboard supports multiple SSDs as it includes 1 x M.2 connector and 4 x SATA 6Gb/s ports.

What BIOS version is installed? Would I be able to pick what version I need?

original BIOS version was F2, it is at version F21d now. It is always recommended to update the latest version. I like that Gigabyte continues to support the older boards like the A520i. They just released the latest version F21d (Sept 2024).

Does this support 2nd Generation AMD CPU?

if you're talking about the 3400g or 3200g it is not compatible

Does this support second generation chips?

I can't remember where I read it but it may run 2nd gen processor but will not have support for them. Was built to support gen 3 and future releases. Gigabyte has a detailed list of supported CPU and APU on their website.

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Main image of GIGABYTE A520I AC mITX AM4 Direct 6 Phases Digital PWM with 55A DrMOS, GIGABYTE Gaming GbE LAN, Intel WiFi+Bluetooth, NVMe PCIe 3.0 x4 M.2, 3 Display Interfaces, Q-Flash Plus, RGB Fusion 2.0, Motherboard

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GIGABYTE A520I AC mITX AM4 Direct 6 Phases Digital PWM with 55A DrMOS, GIGABYTE Gaming GbE LAN, Intel WiFi+Bluetooth, NVMe PCIe 3.0 x4 M.2, 3 Display Interfaces, Q-Flash Plus, RGB Fusion 2.0, Motherboard

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Option: A520I AC

A520I AC
A520M AORUS ELITE
A520M DS3H
A520M S2H

Support for Ryzen 5000 Series with BIOS UPDATE
Supports AMD Ryzen 5000 Series / 3rd Gen Ryzen and 3rd Gen Ryzen with Radeon Graphics Processors
AMD AM4 Socket
Dual Channel DDR4, 2 DIMMs
Optimized VRM Heatsink
Direct 6 Phases Digital PWM with 55A DrMOS
PCIe 3.0 x16 Slot
1 x NVMe PCIe 3.0 x4 M.2 Slot
ALC887 Audio Codec
Blazing Fast 1GbE LAN
Intel Dual Band AC WiFi and Bluetooth with Ultra Durable Antenna
Rear DP & 2 x HDMI Support
Q-Flash Plus - Easily Flash Your BIOS
RGB FUSION 2.0
mini-ITX Form Factor

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

Specs

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Model
Brand	GIGABYTE
Model	A520I AC

Supported CPU
CPU Socket Type	AM4
CPU Type	AMD Socket AM4, support for: AMD Ryzen 5000 Series / 3rd Gen Ryzen and 3rd Gen Ryzen with Radeon Graphics Processors * Support for Ryzen 5000 Series with BIOS UPDATE. Refer to GIGABYTE website for CPU support list.

Chipsets
Chipset	AMD A520

Memory
Number of Memory Slots	2x288pin (DDR4)
Memory Standard	3rd Gen AMD Ryzen Processors: Support for DDR4 5100(O.C.)/ 4866(O.C.)/ 4600(O.C.)/ 4400(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 3333(O.C.)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz memory modules 3rd Gen AMD Ryzen with Radeon Graphics processors: Support for DDR4 5300(O.C.)/ 5200(O.C.)/ 5000(O.C.)/ 4866(O.C.)/ 4600(O.C.)/ 4400(O.C.)/ 4000(O.C.)/ 3600(O.C.)/ 3333(O.C.)/ 3200/ 2933/ 2667/ 2400/ 2133 MHz memory modules
Maximum Memory Supported	64GB
Channel Supported	Dual Channel

Expansion Slots
PCI Express 3.0 x16	1 x PCI Express x16 slot, supporting PCIe 3.0 and running at x16

Storage Devices
Serial ATA (SATA)	4 x SATA 6Gb/s
M.2	1 x M.2 connector (Socket 3, M key, type 2260/2280 SATA and PCIe 3.0 x4/x2 SSD support)
SATA RAID	0/1/10

Onboard Video
Onboard Video Chipset	Integrated in the 3rd Generation AMD Ryzen with Radeon Graphics processors: 1 x DisplayPort port, 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 16GB

Onboard Audio
Audio Chipset	Realtek ALC887
Audio Channels	2/4/5.1/7.1-channel * To configure 7.1-channel audio, you need to open the audio software and select Device advanced settings > Playback Device to change the default setting first. Please visit GIGABYTE's website for details on configuring the audio software.

Onboard LAN
LAN Chipset	Realtek GbE LAN chip
Max LAN Speed	1Gbps
Wireless LAN	Intel Wi-Fi AC 3168 WIFI 802.11a/b/g/n/ac, supporting 2.4/5 GHz Dual-Band Support for 11ac wireless standard and up to 433 Mbps data rate * Actual data rate may vary depending on environment and equipment.
Bluetooth	BLUETOOTH 4.2

Rear Panel Ports
Back I/O Ports	1 x DisplayPort 2 x HDMI ports 4 x USB 3.2 Gen 1 ports 2 x USB 2.0/1.1 ports 1 x Q-Flash Plus button 1 x RJ-45 ports 2 x SMA antenna connectors (1T1R) 3 x audio jacks

Internal I/O Connectors
Onboard USB	1 x USB 3.2 Gen 1 header 1 x USB 2.0/1.1 header
Other Connectors	1 x CPU fan header 2 x system fan headers 1 x addressable LED strip header 1 x RGB LED strip header 1 x front panel header 1 x front panel audio header 1 x speaker header 1 x Trusted Platform Module (TPM) header (2x6-pin, for the GC-TPM2.0_S module only) 1 x serial port header 1 x Clear CMOS jumper

Physical Spec
Form Factor	Mini ITX
LED Lighting	RGB
Dimensions (W x L)	6.7" x 6.7"
Power Pin	1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector

Software Feature
Windows 11	Supported

Features
Features	I/O Controller: iTE I/O Controller Chip H/W Monitoring: Voltage detection Temperature detection Fan speed detection Overheating warning Fan fail warning Fan speed control * Whether the fan speed control function is supported will depend on the cooler you install. BIOS: 1 x 128 Mbit flash Use of licensed AMI UEFI BIOS PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0 Unique 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 Bundled Software: Norton Internet Security (OEM version) Realtek 8118 Gaming LAN Bandwidth Control Utility Operating System: Support for Windows 10 64-bit Support for Windows 11 64-bit

Additional Information
First Listed on Newegg	September 19, 2025

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GIGABYTE A520I AC mITX AM4 Direct 6 Phases Digital PWM with 55A DrMOS, GIGABYTE Gaming GbE LAN, Intel WiFi+Bluetooth, NVMe PCIe 3.0 x4 M.2, 3 Display Interfaces, Q-Flash Plus, RGB Fusion 2.0, Motherboard

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