ASUS 

Asus Case A31 TG Black A31 Black ATX Mid-Tower Gaming TG Frameless Retail

Mfg Part Number:  A31 TG BLACK  
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Price: $186.85
Quantity:
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Last Updated: Mar 06, 2026
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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.

Main Specification
General Information
Manufacturer ASUS Computer International
Manufacturer Part Number A31 TG BLACK
Manufacturer Website Address http://usa.asus.com
Brand Name Asus
Product Model ASUS A31 Case
Product Name ASUS A31 Case Computer Case
Product Type Computer Case
Technical Information
Motherboard Supported Micro ATX
Motherboard Supported ATX
Motherboard Supported Mini ITX
Number of Fans Supported 3
Fan Size Supported 5.51"
Fan Size Supported 4.72"
Features Cable Management
Features ARGB Fan
Features Dust Filter
Window Panel Yes
Window Panel Location Top
Window Panel Location Left Side
Window Panel Location Side Panel
Window Panel Location Front
Bays
Number of Internal 2.5"/3.5" Bays 2
Number of Total Expansion Bays 2
I/O Expansions
Total Number of Expansion Slots 7
Interfaces/Ports
Total Number of USB Ports 3
USB Port Details 1 x USB 3.2 Gen 2x2 Type C
USB Port Details 2 x USB 3.2 Gen 1
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
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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