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ASUS TUF Gaming GT502 Horizon ATX Mid-Tower PC Case vs Lian Li A3-mATX-WD-26.3L Micro Form Factor

Updated July 2026 — ASUS TUF Gaming GT502 Horizon ATX Mid-Tower PC Case wins on height and depth, Lian Li A3-mATX-WD-26.3L Micro Form Factor wins on gpu length.

The ASUS TUF Gaming GT502 offers superior cooling and aesthetics for gamers, while the Lian Li A3 provides a compact and stylish option for minimalists.

Why ASUS TUF Gaming GT502 Horizon ATX Mid-Tower PC Case is better

Cooling

Supports up to 13 fans for optimal airflow.

Design

Features a striking panoramic glass design.

Accessibility

Tool-free side panels for easy access.

Why Lian Li A3-mATX-WD-26.3L Micro Form Factor is better

Price

More affordable at $89.99.

Size

Compact design suitable for smaller spaces.

Material

Stylish walnut wood front panel.

Overall score

ASUS TUF Gaming GT502 Horizon ATX Mid-Tower PC Case
85
Lian Li A3-mATX-WD-26.3L Micro Form Factor
75

Specifications

SpecASUS TUF Gaming GT502 Horizon ATX Mid-Tower PC CaseLian Li A3-mATX-WD-26.3L Micro Form Factor
Cooling SupportUp to 13 fansUp to 10 fans
Radiator Support360mm360mm
MaterialTempered GlassWood & Steel
Form FactorATX Mid-TowerMicro Form Factor
Front PanelUSB Type-CNo USB Type-C

Dimension comparison

ASUS TUF Gaming GT502 Horizon ATX Mid-Tower PC CaseLian Li A3-mATX-WD-26.3L Micro Form Factor

Design and Aesthetics

The ASUS TUF Gaming GT502 Horizon features a striking panoramic design, while the Lian Li A3-mATX-WD-26.3L offers a more minimalist look. The GT502's tempered glass panels provide an unobstructed view of its internals, allowing for a showcase of custom ARGB lighting. This design choice is particularly appealing to gamers who want their builds to be visually striking. In contrast, the A3's wood front panel and compact structure convey elegance and simplicity, making it suitable for users who prefer a refined aesthetic without flashy elements. Overall, the ASUS case stands out more for its gaming-oriented design, while Lian Li opts for a modern, understated appearance.

Cooling Capabilities

Cooling is a critical consideration in PC cases, and both the ASUS TUF Gaming GT502 and the Lian Li A3 provide effective solutions. The GT502 supports up to 13 fans and features a dual-chamber design that creates independent cooling zones for the CPU and GPU, optimizing airflow and thermal management. This extensive cooling capability is ideal for high-performance gaming rigs. On the other hand, the Lian Li A3 supports a 360mm radiator and up to 10 x 120mm fans, designed with steel mesh panels to enhance airflow. While both cases excel in cooling, the ASUS case offers more fan support, which could be crucial for overclocked components.

Space and Compatibility

The ASUS TUF Gaming GT502 is an ATX mid-tower case, allowing it to accommodate a wider range of components, including larger GPUs and additional drives. Its dual-chamber design also makes it easier to manage cables and airflow. However, the Lian Li A3 is designed for micro form factor builds, supporting mATX and ITX motherboards. Despite its compact size, it can house GPUs up to 415mm, which is impressive for a case of its dimensions. Users looking for more flexibility in build size and component compatibility might prefer the ASUS GT502, while those aiming for a compact build may find the Lian Li A3 more suitable.

Build Quality and Materials

Both the ASUS and Lian Li cases exhibit high-quality construction, but they utilize different materials to achieve their designs. The ASUS TUF Gaming GT502 boasts tempered glass panels and a sturdy steel frame, ensuring durability and a premium feel. The tool-free side panels facilitate easy access for upgrades or maintenance. On the other hand, the Lian Li A3 features a stylish walnut wood front panel, which adds an element of sophistication. However, it also incorporates steel mesh for airflow, balancing aesthetics with functionality. While both cases are well-constructed, the choice between them may ultimately come down to personal preference regarding materials and finish.

Accessibility and Installation

The ASUS TUF Gaming GT502 excels in accessibility and user-friendly features, with tool-free side panels that allow for hassle-free access to the internals. This design makes installation and upgrades straightforward, catering to gamers and builders who frequently modify their systems. In contrast, the Lian Li A3, while modular in design, may require more effort to access and install components due to its compact nature. Users who prioritize ease of installation and frequent upgrades may find the ASUS case more appealing, whereas those who appreciate a clean and organized build might lean towards the Lian Li.

Price Comparison

At a price of $177.99, the ASUS TUF Gaming GT502 is significantly more expensive than the Lian Li A3, which retails for $89.99. This places the ASUS case at about 97% higher in price, reflecting its additional features and larger form factor. While the ASUS case offers extensive cooling options and a more elaborate aesthetic, the Lian Li presents a budget-friendly option with solid performance capabilities. For users looking to save money while still achieving a capable build, the Lian Li A3 is a strong contender.

Target Audience

The ASUS TUF Gaming GT502 is designed with gamers in mind, providing ample cooling options, a visually appealing design, and features that enhance the gaming experience. It caters to those who want to showcase their hardware and require high-performance cooling solutions. Conversely, the Lian Li A3 targets users who prefer a compact and stylish case for home or office environments, focusing on minimalist aesthetics and efficient use of space. Each case serves a distinct audience, reflecting the diverse needs of PC builders in today’s market.

Which should you buy?

Choosing between the ASUS TUF Gaming GT502 and the Lian Li A3 ultimately depends on your specific needs and preferences. If you prioritize extensive cooling options and a visually striking design for a gaming rig, the ASUS case is the better choice, despite its higher price point. However, if you're looking for a more affordable option that maintains good airflow and a stylish appearance, the Lian Li A3 is an excellent alternative. Both cases have their merits, and your decision should align with your build requirements and personal style.