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Mid-tower - Black - Tempered Glass - 2 x Bay - ATX, Micro ATX, Mini ITX Motherboard Supported - 3 x Fan(s) Supported - 2 x Internal 2.5"/3.5" Bay(s) - 7x Slot(s) - 3 x USB(s) - 2 x USB 3.2 Gen 1, 1 x USB 3.2 Gen 2x2 Type C - 1 x Audio In - 1 x Audio Out - Fan Cooler
MSRP$64.99
$59.27
Save 9%Special order — estimated available by September 10, 2026.
Genuine ASUS Computer International through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
Discover Hidden Potential
The ASUS A31 is a PC case crafted for minimalist mainstream DIY PC builders. It supports a variety of AIO coolers and graphics cards, and easily accommodates motherboards with hidden connector designs, ensuring a clean, clutter-free setup.
Ready for Hidden Connectors
In addition to providing a clean PC build experience, the A31 is compatible with the ROG MAXIMUS Z790 HERO BTF , a motherboard that features innovative hidden connectors and headers located on the underside to maximize clean cable management.
Broad Compatibility
The A31 ATX case supports up to 360mm radiators, graphics cards up to 380mm in length, and CPU air coolers up to 165mm in height, giving builders plenty of options while assembling their next PC.
Support
360 mm
• Radiator
380 mm
• Graphics Card Length
165 mm
• CPU Cooler Height
Boundless Panoramic Views
Experience a seamless view unobstructed by a front pillar, offering an unparalleled visual display of the internal components and ensuring your build shines from every angle.
Capable Cooling
The A31 provides 80mm of clearance for AIO coolers at the top, allowing for thicker radiators and larger fans to enhance cooling performance.
8° Angled Base
The 8° angle of the base integrates functionality and elegance, promoting efficient cooling and offering a wider view for maximum immersive experiences. The base design is also ideal for showcasing your system's personalized style and ARGB effects.
Cable Management
The A31 provides a compartment behind the motherboard that is 34mm wide to help keep cables tucked away and tidy.
Color-Coordinated Builds
Both variants of the A31 come with color-coordinated black or white internal I/O cables to compliment any build theme.
About ASUS ASUS is a multinational company best known for their motherboards, PCs, monitors, graphics cards and routers. Along with an expanding range of superior gaming, content-creation and AIoT solutions, ASUS leads the industry through cutting-edge design and innovations made to create the most ubiquitous, intelligent, heartfelt and joyful smart life for everyone. With a global workforce that includes more than 5,000 R&D professionals, ASUS is driven to become the world’s most admired innovative leading technology enterprise. About ROG Republic of Gamers (ROG) is an ASUS sub-brand dedicated to creating the world’s best gaming hardware and software. Formed in 2006, ROG offers a complete line of innovative products known for performance and quality, including motherboards, graphics cards, laptops, desktops, monitors, audio equipment, routers and peripherals. ROG participates in and sponsors major international gaming events. ROG gear has been used to set hundreds of overclocking records and it continues to be the preferred choice of gamers and enthusiasts around the world. © 2024 ASUS Computer International. All Rights Reserved. ASUS is a registered trademark of ASUSTeK Computer. All specifications and terms are subject to change without notice. Please check with your supplier for exact offers on selected models. Products may not be available in all markets. Product may not be exactly as shown in photos. Actual colors may differ from their appearance due to variation of monitor restrictions and color processing. All trademarks are registered to their respective companies. ASUS shall not be liable for technical or editorial errors or omissions contained herein.
| Bays | |
|---|---|
| Number of Internal 2.5"/3.5" Bays | 2 |
| Number of Total Expansion Bays | 2 |
| General Information | |
| Manufacturer | ASUS Computer International |
| Manufacturer Part Number | A31 TG BLACK |
| Brand Name | Asus |
| Product Model | ASUS A31 Case |
| Product Name | ASUS A31 Case Computer Case |
| Product Type | Computer Case |
| I/O Expansions | |
| Total Number of Expansion Slots | 7 |
| Interfaces/Ports | |
| Total Number of USB Ports | 3 |
| USB Port Details | 2 x USB 3.2 Gen 1, 1 x USB 3.2 Gen 2x2 Type C |
| Front USB | Yes |
| Total Number of Audio In Ports | 1 |
| Front Audio In | Yes |
| Total Number of Audio Out Ports | 1 |
| Front Audio Out | Yes |
| Microphone | Yes |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Product Material | Tempered Glass |
| Cooler Type | Fan Cooler |
| Form Factor | Mid-tower |
| Maximum CPU Cooler Height | 6.50" |
| Maximum PSU Length | 7.87" |
| Maximum GPU Length | 14.96" |
| Height | 20.1" |
| Width | 17.1" |
| Depth | 9.4" |
| Weight (Approximate) | 18.08 lb |
| Technical Information | |
| Motherboard Supported | ATX, Micro ATX, Mini ITX |
| Number of Fans Supported | 3 |
| Fan Size Supported | 4.72", 5.51" |
| Features | Cable Management, ARGB Fan, Dust Filter |
| Window Panel | Yes |
| Window Panel Location | Front, Side Panel, Left Side, Top |
Matched on ATX
$131.65
Back-ordered$83.19
Back-ordered$134.57
Back-ordered$134.57
Back-orderedSend a bill of materials or part numbers — we confirm stock, TAA country of origin and a below-market total. No payment up front.
