The Gigabyte A520I AC is a compact and reliable Mini-ITX motherboard designed for AMD Ryzen processors. Here's an overview of its features:

Socket and Chipset: Built with the AMD AM4 socket and A520 chipset, it supports 3rd Gen AMD Ryzen processors, including Ryzen 5000 and 4000 G-Series CPUs.
Memory: Features 2 DDR4 DIMM slots, supporting up to 64GB of RAM with speeds up to 5100 MHz (overclocked).
Storage: Includes an NVMe PCIe 3.0 x4 M.2 slot for high-speed SSDs and 4 SATA 6Gb/s ports for additional storage options.
Connectivity: Equipped with onboard dual-band 802.11ac Wi-Fi, Bluetooth 4.2, and Realtek GbE LAN for reliable networking.
Graphics and Audio: Offers DisplayPort and dual HDMI outputs for integrated graphics, along with Realtek ALC887 audio codec for quality sound.
Cooling and Design: Features Smart Fan 5 technology with multiple temperature sensors and hybrid fan headers, ensuring efficient cooling in a compact form factor.
Additional Features: Supports RGB Fusion 2.0 for customizable lighting and Q-Flash Plus for easy BIOS updates without a CPU or memory installed.

This motherboard is an excellent choice for building a compact yet powerful system.