
ASUS A31 Black ATX Mid-Tower Gaming Case, Dual Tempered Glass, Frameless, BTF Hidden Connectors, 360 AIO Support, Angled Base, ARGB, Optimized Airflow, Seamless Cable Management
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AI Verdict
This ATX mid-tower case with dual tempered glass and BTF support is for builders prioritizing aesthetics and hidden cables, especially with a 360mm AIO.
This case is a situational fit, offering a premium aesthetic with its dual tempered glass and BTF support, which is appealing for clean builds. However, its thermal performance for air cooling is a reported weakness, making it best suited for configurations with 360mm AIO liquid cooling.
If you need better raw airflow for air-cooled components, look for cases with mesh front panels and more direct fan mounts.
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Pros
- Features dual-sided tempered glass panels and a frameless design, providing an unobstructed view of internal components.
- Supports BTF hidden connectors, allowing all modular cables to be concealed behind the motherboard for a clean appearance.
- Offers 34mm of space behind the motherboard tray for seamless cable organization.
- Compatible with 360mm AIO coolers and GPUs up to 380mm in length, including RTX 5090/4090.
- Includes an 8° angled base designed to enhance airflow efficiency and expand viewing angles for ARGB lighting.
- Build quality feels premium for its price point, with structural rigidity even with glass panels removed.
Cons
- Airflow performance for air-cooled systems is reported as rough, making a 360mm AIO advisable for optimal temperatures.
- Front I/O port placement is described as frustrating by one reviewer.
- Lacks rubber grommets around motherboard cutouts, potentially impacting visual cleanliness for some cable runs.
- Side panel mounts are criticized for their design.
- The case is reported to be super heavy at 8.2 Kg, making it difficult to move for modifications.
Dimension Scores
Airflow performance for air-cooled systems is reported as 'rough', requiring a 360mm AIO for better thermal management.
No specific user feedback on noise levels, suggesting it's likely average without included fans.
The case features structural rigidity and feels more premium than its price class, even with glass panels removed.
Offers 34mm of space behind the motherboard tray and BTF hidden connector support for seamless cable organization.
Best For
- Showcase builds with extensive ARGB lighting and a focus on internal component visibility.
- PC builders utilizing BTF motherboards for a truly clutter-free internal aesthetic.
- Systems requiring 360mm AIO liquid cooling for CPU thermal management.
- High-end gaming rigs with large GPUs up to 380mm, like the RTX 4090.
Not Recommended For
- Budget builds where additional fan purchases for the standard model would exceed the target price.
- Users prioritizing maximum raw airflow performance for air-cooled components.
- Frequent PC movers due to its 8.2 Kg weight.
Watch Out For
- Airflow for air-cooled setups can be suboptimal, with one reviewer noting 'Airflow Temps? Yeah, They're Rough' and recommending a 360mm AIO.
- The front I/O port placement is considered 'The Most Frustrating I/O Placement Ever' by a reviewer.
- Dust filters are poorly designed, leading to a reviewer asking 'These Dust Filters… Who Hurt You?'.
- The PSU shroud design blocks fans mounted on it, rendering them ineffective for cooling.
- The case weighs 8.2 Kg, which a user found 'super heavy' and a 'pain to move it around'.
Full Specifications
| ASIN | B0DMPFLHJZ |
| Brand | ASUS |
| Color | BLACK |
| Series | A31 TG Black |
| Material | Alloy Steel, Plastic, Tempered Glass |
| Case Type | Mid Tower |
| Model Name | A31 TG Black |
| Item Weight | 18.1 pounds |
| Manufacturer | ASUS |
| Cooling Method | FAN |
| Item model number | A31 TG Black |
| Product Dimensions | 20 x 17.1 x 9.1 inches |
| Item Dimensions LxWxH | 20 x 17.1 x 9.1 inches |
| Number of USB 3.0 Ports | 2 |
| Motherboard Compatability | ATX |
| Power Supply Mounting Type | Rear Mount |
| Recommended Uses For Product | Gaming, Home, Professional |
What Buyers Say
While one Newegg user praises the A31's 'outstanding thermals' with its 8-degree slant, a detailed video review highlights significant airflow issues for air-cooled setups, recommending a 360mm AIO for adequate cooling. The case's aesthetic appeal with its dual tempered glass and BTF compatibility is a consistent draw, but design flaws like frustrating I/O placement and poorly designed dust filters are noted. Its 8.2 Kg weight also makes it cumbersome to move.
“Look, it's pretty to look at with all that glass and my BTF board, but seriously, the I/O is a pain and my air cooler was cooking until I slapped in a 360 AIO.”
Common Praise
- Dual-sided tempered glass provides a panoramic, unobstructed view of components.
- BTF hidden connector design creates a very clean internal build.
- Ample 34mm space behind the motherboard tray simplifies cable routing.
- Supports large GPUs up to 380mm in length, fitting high-end cards like the RTX 4090.
- Build quality is sturdy and feels premium for the price.
- The 8° angled base is seen as a unique aesthetic and functional feature.
Common Complaints
- Subpar airflow performance for air-cooled systems, potentially leading to higher temperatures.
- Front I/O ports are inconveniently placed.
- Dust filters are poorly designed and not effective.
- No rubber grommets around motherboard cutouts for cleaner cable pass-throughs.
- PSU shroud fans are blocked by the power supply, making them ineffective.
- The case is heavy at 8.2 Kg, making it difficult to reposition.
Ownership Tips
- Expect to invest in a 360mm AIO if you want decent CPU temperatures, especially with high-power components.
- The weight of 8.2 Kg makes moving the case for maintenance or upgrades a two-hand job.
- Cable management is genuinely easy with the 34mm space, but the lack of grommets means you still see some cable edges.
- The angled base does make bottom-mounted fans more visible, so consider reverse-blade fans for aesthetics.
- The standard model doesn't include fans, so factor in the cost of additional cooling.
Frequently Asked Questions
Does the ASUS A31 case come with pre-installed fans?
The standard ASUS A31 model does not include any pre-installed fans. There is an 'A31 Plus' version that ships with four ARGB fans.
What is the BTF Hidden Connector Design?
The BTF Hidden Connector Design allows modular cables to be routed and connected behind the motherboard, creating a cleaner, clutter-free interior view of your system components.
Can this case fit large graphics cards?
Yes, the ASUS A31 supports graphics cards up to 380mm in length, which accommodates large GPUs like the RTX 4090.
How does the 8° angled base benefit the case?
The 8° angled base is engineered to enhance airflow efficiency for superior cooling and expands the viewing angle for a more immersive showcase of ARGB lighting.
Is the ASUS A31 suitable for liquid cooling?
Yes, the case is optimized for liquid cooling, supporting AIO coolers up to 360mm with 80mm clearance at the top, ensuring superior thermal performance.
Buying Guide
When you're looking at a PC case, especially one with lots of glass, you need to think about how your components will breathe. A case like this A31, with its panoramic view, prioritizes showing off your build. That's awesome for aesthetics, but sometimes it means compromises on airflow compared to cases with mesh fronts. You'll also want to consider how easy it is to build in and manage cables, especially if you're going for a super clean look with BTF components.
BTF Hidden Connectors
360 AIO Support
8° Angled Base
34mm Cable Management Space
Alternatives
If you need better thermal performance for air-cooled systems, look for cases with full mesh front panels and dedicated fan mounts that aren't obstructed. If you want a lighter case for portability, check for models made with aluminum or thinner steel.



