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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, 2 Year Warranty

ASUS A31 Black ATX Mid-Tower Gaming Case

Bottom line: The ASUS A31 Black ATX Mid-Tower Gaming Case is a specs-and-price decision rather than a crowd-consensus one in the pc cases category, priced around $49.99 on Amazon as of 2026-10-07. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$49.99

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Buy on Amazon — $49.99 Compare to similar pc cases

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Before you buy

  • Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The ASUS A31 Black ATX Mid-Tower Gaming Case redefines PC building with a pillar-free, dual-sided tempered glass design for a true panoramic view. Supporting 360mm AIO coolers and RTX 5090/4090, it ensures top-tier performance. Hidden BTF connectors, seamless cable management, and an 8° angled base enhance cooling, aesthetics, and customization.

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SpecPicks Verdict

SpecPicks scored ASUS A31 Black ATX Mid-Tower Gaming Case using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. Compare with similarly-priced alternatives in the pc cases category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Easy Build, Direct Performance: ASUS A31 provides mainstream users the great compatibility with 360mm AIO and RTX 5090/4090 in mainstream ATX build
  • Real Panorama, Direct View: The A31 features dual-sided tempered glass panels and a frameless, pillar-free design, offering a completely unobstructed view of your system's internal components
  • BTF Hidden Connector Design: For a pristine, clutter-free build, all modular cables are concealed behind the motherboard, seamlessly aligning with hidden connectors for a sleek, polished look
  • Optimized for Liquid Cooling: Supports AIO coolers with up to 80mm clearance, ensuring superior thermal performance and enhanced system stability
  • Striking 8° Angled Base Design: Engineered for both function and style, the 8-degree golden angle enhances airflow efficiency for superior cooling while expanding the viewing angle for a more immersive showcase. This bold design also amplifies ARGB lighting effects, making your system a true centerpiece of innovation and personalization

Full Specifications

BrandASUS
ColorBLACK
MaterialAlloy Steel, Plastic, Tempered Glass
Case TypeMid Tower
Model NameA31 TG Black
Unit Count1 Count
Light Colorwhite
Model NumberA31 TG Black
Cooling MethodFAN
Mfr Part NumberA31 TG Black
Number of Items1
Total Usb Ports2
Antenna LocationBusiness, Gaming, Home
Compatible DevicesMotherboards (ATX, mATX, ITX), Power Supply Units (ATX), Storage Drives (SSD, HDD), Expansion Cards (GPU, PCIe), Cooling Systems (360mm AIO), etc.
Enclosure MaterialAlloy Steel, Plastic, Tempered Glass
Total USB 3.0 Ports2
Warranty Description2 year
Supported MotherboardATX
Item Dimensions D x W x H17.13"D x 9.37"W x 20.12"H
Motherboard CompatabilityATX
Full listing titleASUS 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, 2 Year Warranty

Ready to buy?

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, 2 Year Warranty is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $49.99

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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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, 2 Year Warranty
$49.99
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