ASUS ASUS A31 Tempered Glass ATX Mid-Tower Computer Case

Overview

The ASUS A31 TG BLACK is a mid-tower computer case designed to showcase your build with front and side panels made from tempered glass. It supports a wide range of motherboard sizes including ATX, microATX, Mini-ITX, and back-connect BTF, providing flexibility for various builds. The case offers practical features such as multiple fan and radiator mounting options, cable management space, and a front I/O panel with modern connectivity ports, making it suitable for both gaming rigs and professional workstations.

Key features

• Tempered glass front and side panels provide a clear view of internal components and lighting effects.
• Supports multiple motherboard form factors, allowing you to choose the best fit for your needs and budget.
• Top panel accommodates up to three 120 mm fans or two 140 mm fans, plus radiators up to 360 mm for liquid cooling setups.
• Rear fan slot supports an additional 120 mm or 140 mm fan to maintain balanced airflow.
• 34 mm of cable routing space behind the motherboard tray helps keep cables organized and out of sight.
• Front I/O panel includes a USB 3.2 Gen 2x2 Type-C port, two USB 3.2 Gen 1 ports, and a combined audio jack for convenient connectivity.
• Removable dust filters on the top and bottom simplify maintenance and help keep the interior clean.
• Seven expansion slots and two convertible drive bays support a variety of add-in cards and storage options.

Key specs

• Form factor: Mid-tower
• Motherboard compatibility: ATX, microATX, Mini-ITX, back-connect BTF
• Drive bays: Two bays convertible for 2.5-inch or 3.5-inch drives
• Expansion slots: Seven
• Fan support: Up to three 120 mm or two 140 mm fans on top, one 120 mm or 140 mm fan at rear
• Radiator support: Up to 360 mm on top panel
• Cable management clearance: 34 mm behind motherboard tray
• Front I/O ports: USB 3.2 Gen 2x2 Type-C, two USB 3.2 Gen 1, combined audio jack
• Dust filters: Removable on top and bottom

Connectivity and compatibility

The front I/O panel is designed to keep your peripherals and external drives easily accessible. The USB 3.2 Gen 2x2 Type-C port offers very high data transfer speeds, ideal for fast external storage or modern devices. Two additional USB 3.2 Gen 1 ports provide reliable connections for keyboards, mice, and other everyday accessories. The combined audio jack supports headsets and microphones, making it convenient for communication or media consumption.

Cooling and airflow design

Effective cooling is a priority with this case. The top panel’s support for multiple fan sizes and a large radiator allows you to tailor your cooling setup, whether you prefer air or liquid cooling. The rear fan slot helps create a steady airflow path from front to back, which is essential for maintaining optimal temperatures. Removable dust filters on the top and bottom panels help prevent dust buildup, ensuring your components stay clean and perform well over time.

Ideal uses and environments

This case fits well in environments where both aesthetics and functionality matter. It is a strong choice for gamers who want to display RGB lighting and custom cooling, as well as professionals building a workstation that benefits from clear component visibility and organized cable management. Its compact mid-tower size works well on desks or in setups where space is limited but expandability remains important.