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CORSAIR 3500X RS Reverse Fan ARGB Mid-Tower PC vs Lian Li A3-mATX-WD-26.3L Micro Form Factor

Updated July 2026 — CORSAIR 3500X RS Reverse Fan ARGB Mid-Tower PC leads on depth and volume.

The CORSAIR 3500X RS offers better cooling performance and immediate usability with pre-installed fans, while the Lian Li A3 provides a unique design and modular flexibility. Overall, the 3500X RS is the better choice for most users.

Why CORSAIR 3500X RS Reverse Fan ARGB Mid-Tower PC is better

Cooling Performance

Includes three pre-installed fans for immediate cooling.

Interior Space

Supports a wider range of motherboard sizes.

Price

More affordable at $79.99 compared to $89.99.

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

Design

Features a stylish walnut wood front panel.

Modularity

Offers flexible PSU installation options.

Compact Size

More compact design suitable for smaller builds.

Overall score

CORSAIR 3500X RS Reverse Fan ARGB Mid-Tower PC
85
Lian Li A3-mATX-WD-26.3L Micro Form Factor
78

Specifications

SpecCORSAIR 3500X RS Reverse Fan ARGB Mid-Tower PCLian Li A3-mATX-WD-26.3L Micro Form Factor
Cooling Fans3 pre-installednone
Radiator Supportup to 360mmup to 360mm
Motherboard SizeMini-ITX to EATXmATX, ITX
MaterialTempered GlassWood and Steel
GPU Supportup to 400mmup to 415mm

Dimension comparison

CORSAIR 3500X RS Reverse Fan ARGB Mid-Tower PCLian Li A3-mATX-WD-26.3L Micro Form Factor

Design and Aesthetics

The design and aesthetics of the CORSAIR 3500X RS and the Lian Li A3 are distinct, catering to different tastes. The CORSAIR 3500X RS features a modern look with wraparound tempered glass panels, allowing users to showcase their internal components and RGB lighting. This case comes with three pre-installed RS120-R ARGB fans that not only enhance cooling but also contribute to a vibrant visual display. In contrast, the Lian Li A3 emphasizes a compact and minimalist design with a stylish walnut wood front panel. While the 3500X RS provides a more flamboyant appearance, the A3 appeals to users who prefer a clean and understated aesthetic.

Cooling Performance

Cooling performance is a critical consideration for any PC builder, and both cases excel in this area but in different ways. The CORSAIR 3500X RS supports a high cooling capacity, accommodating up to 10x 120mm fans and enabling extensive airflow options. With its three pre-installed fans, it promises efficient cooling right out of the box. On the other hand, the Lian Li A3 is designed with high airflow steel mesh panels and can support a 360mm radiator along with multiple fans. While the 3500X RS offers immediate cooling functionality, the A3 provides flexibility for custom cooling setups, making it suitable for users with high-TDP GPUs.

Interior Space and Compatibility

When it comes to interior space, the CORSAIR 3500X RS showcases a spacious design that accommodates a variety of motherboard sizes from Mini-ITX to EATX. This flexibility allows users to build systems with larger components easily. The case also includes a GPU Anti-Sag Stabilization Arm to support larger graphics cards. In comparison, the Lian Li A3, with its compact 26.3L design, supports mATX and ITX motherboards but still manages to fit GPUs up to 415mm in length. While the A3 is more compact, the 3500X RS offers a broader range of compatibility for larger setups.

Fan and Radiator Support

Fan and radiator support is another area where these two cases differ significantly. The CORSAIR 3500X RS comes equipped with three pre-installed fans and can support up to 10 additional 120mm fans, allowing for extensive cooling options. It is also compatible with radiators up to 360mm, making it ideal for liquid cooling enthusiasts. Conversely, the Lian Li A3 does not include any fans but supports a 360mm radiator and up to 10x 120mm fans, giving users the freedom to customize their cooling solutions. This modular approach allows builders to tailor airflow to their specific needs but requires an additional investment in fans.

Build Quality and Materials

Build quality and materials play a significant role in the longevity and performance of PC cases. The CORSAIR 3500X RS features tempered glass panels and a sturdy frame that enhances its durability and aesthetic appeal. This construction not only looks good but also protects internal components effectively. On the other hand, the Lian Li A3's use of a wood front panel combined with steel mesh side and top panels presents a unique blend of materials. While the wood adds a touch of elegance, the steel mesh ensures optimal airflow. Both cases are well-constructed, but the choice may depend on whether users prefer glass or wood aesthetics.

Price Point

Price is a crucial element when making a decision between the two cases. The CORSAIR 3500X RS is priced at $79.99, making it about 11% cheaper than the Lian Li A3, which retails for $89.99. This price difference may appeal to budget-conscious consumers looking for a case that includes pre-installed fans and robust features. However, the Lian Li A3's pricing reflects its unique design and modular capabilities, which may justify the additional cost for some users.

Brand Reputation and Customer Support

Both Corsair and Lian Li have established reputations in the PC components market. Corsair is known for its innovative designs and strong customer support, often receiving high marks for reliability and service. The brand’s products, including the 3500X RS, are popular among gamers and PC builders alike. Lian Li, while perhaps less mainstream, is celebrated for its premium build quality and aesthetic appeal, particularly in the enthusiast community. Choosing between these brands may depend on personal experiences and brand loyalty.

Which should you buy?

Choosing between the CORSAIR 3500X RS and the Lian Li A3 ultimately depends on your specific needs and preferences. If you value immediate cooling performance, compatibility with larger components, and a vibrant aesthetic with RGB lighting, the CORSAIR 3500X RS is a compelling choice. With its lower price point and included fans, it offers great value. Conversely, if you prefer a compact, minimalist design with the flexibility to customize your cooling setup and appreciate unique materials, the Lian Li A3 may be worth the extra investment. Consider what features matter most to you to make the best decision for your build.