The AOC CG391 MATX Gaming Desktop Case is a versatile mid‑tower chassis designed to power demanding gaming rigs and creative workstations. It supports ATX, M‑ATX, and ITX motherboards, giving you flexible installation options and future upgrade headroom. With a three‑fan cooling setup and support for 240mm water cooling, this case keeps heat in check while letting high‑end components breathe.

Space, compatibility, and performance

• Large interior with ample upgrade potential: accommodates long graphics cards for top‑tier builds (think RTX 4090, RX 7900 XT) and multiple SSD/HDD bays for expansive storage.
• Ultra‑long GPU support: designed to fit high‑end, lengthy graphics cards without crowding the motherboard area.
• Comprehensive cooling options: front/top/rear support 120mm or 140mm fans and compatibility with 240mm or 360mm liquid cooling radiators.

Airflow, aesthetics, and maintenance

• Mesh front panel with dust mesh: maximizes airflow while helping keep dust out, simplifying cleaning and maintenance.
• Minimalist metal silhouette: simple lines and a modern, professional look that fits both gaming setups and business environments.

Design for easy builds

• Cable management slot and back storage space: keeps cables tucked away for a cleaner interior and improved cooling efficiency.
• Front I/O panel: USB 3.0, USB Type‑C, and Audio ports for fast data transfer and quick peripheral access.

Who is this for

• Gamers craving robust cooling and compatibility with high‑end GPUs and fast storage.
• Content creators needing a roomy chassis to organize multiple drives and powerful graphics cards.
• DIY enthusiasts seeking a modular, easy‑to‑tweak case that balances heat management with a clean, modern look.