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Lian Li A3-mATX-WD-26.3L Micro Form Factor vs Lian Li ATX PC Case 4 Slots Vertical GPU Kit

Updated July 2026 — Lian Li A3-mATX-WD-26.3L Micro Form Factor leads on gpu length and height.

The Lian Li A3 chassis offers a stylish and versatile solution for compact builds, while the GPU kit enhances GPU aesthetics and performance. Choose based on your specific needs.

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

Compact Design

A3 chassis supports mATX/ITX motherboards.

Cooling Options

A3 chassis accommodates up to 10 fans and a 360mm radiator.

Aesthetics

A3 chassis features a stylish wood front panel.

Why Lian Li ATX PC Case 4 Slots Vertical GPU Kit is better

Price

GPU kit is cheaper at $81.62.

GPU Showcase

GPU kit allows vertical GPU installation.

Compatibility

GPU kit fits most ATX cases.

Overall score

Lian Li A3-mATX-WD-26.3L Micro Form Factor
88
Lian Li ATX PC Case 4 Slots Vertical GPU Kit
81

Specifications

SpecLian Li A3-mATX-WD-26.3L Micro Form FactorLian Li ATX PC Case 4 Slots Vertical GPU Kit
Motherboard SupportmATX/ITXATX
Fan Capacity10 x 120mmN/A
Radiator Support360mmN/A
Riser CableN/APCIe 5.0
Adjustable GPUNoYes

Dimension comparison

Lian Li A3-mATX-WD-26.3L Micro Form FactorLian Li ATX PC Case 4 Slots Vertical GPU Kit

Overview of the Lian Li A3-mATX-WD-26.3L Micro Form Factor Chassis

The Lian Li A3-mATX-WD-26.3L is a compact micro form factor chassis designed to support both mATX and ITX motherboards, while the Lian Li ATX PC Case 4 Slots Vertical GPU Kit serves a different purpose, focusing on vertical GPU installation. Priced at $89.99, the A3 chassis is tailored for users seeking a stylish and modular build, while the $81.62 GPU kit is aimed at enhancing GPU performance and aesthetics in ATX cases.

The A3 chassis features a 26.3-liter design that allows for substantial hardware support, accommodating GPUs up to 415mm. In contrast, the vertical GPU kit facilitates the installation of GPUs in a more visually appealing upright position, with a design that supports various configurations. Each product serves distinct needs in the PC building community.

Design and Aesthetics

The Lian Li A3 chassis boasts a sleek design with a walnut wood front panel, enhancing its visual appeal, especially for compact builds. Its modular design allows for easy customization, making it a prime choice for users who prioritize aesthetics in their setups.

On the other hand, the Lian Li ATX PC Case 4 Slots Vertical GPU Kit offers functionality through its adjustable design, allowing users to showcase their graphics cards while ensuring optimal airflow. The kit includes RGB lighting, which adds a dynamic visual element to any build. Overall, while the A3 chassis leans towards a minimalist aesthetic, the GPU kit focuses on enhancing the graphical presentation of the build.

Cooling and Airflow Capabilities

When it comes to cooling, the Lian Li A3 chassis shines with its high airflow steel mesh panels, designed to support multiple cooling options. It can accommodate up to 10 x 120mm fans and a 360mm radiator, making it suitable for high-TDP GPU setups.

The GPU kit, however, does not provide cooling solutions itself but enhances airflow for the GPU by allowing a forward tilt. This design reduces turbulence and improves thermal performance, ensuring your graphics card stays cool. While both products address cooling, the A3 chassis offers more comprehensive solutions for the entire system.

Compatibility and Support

The A3 chassis supports a wide range of hardware with its versatile design, accommodating mATX and ITX motherboards along with GPUs of considerable length. This makes it an excellent choice for users looking to build a compact yet powerful system.

In comparison, the Lian Li ATX PC Case 4 Slots Vertical GPU Kit is designed for cases that support ATX motherboards and requires a minimum of 6 PCIe slots for standard vertical mounting. This specificity means that while it can enhance the aesthetic and performance of compatible cases, it is limited to those with sufficient slots. Therefore, the A3 chassis offers broader compatibility across various builds.

Installation and Configuration

The installation process for the Lian Li A3 chassis is user-friendly thanks to its modular structure. The flexible PSU installation options allow users to choose front or side orientations, which can significantly enhance clearance and cable management.

The GPU kit also features a straightforward installation process, with a notable tip for securing the GPU. Users must press the GPU down during installation to ensure proper locking into the PCIe slot. However, the adjustable nature of the GPU support bracket may require additional attention during setup, particularly for users with GPUs featuring overclocking buttons. Both products are designed to be user-friendly, but the A3 chassis provides a more streamlined experience for general builds.

Price and Value Proposition

The Lian Li A3 chassis is priced at $89.99, positioning it as a premium option for those seeking a compact case with high customization potential. The average price over the past 90 days is $88.56, suggesting stable pricing within this premium segment.

Conversely, the Lian Li ATX PC Case 4 Slots Vertical GPU Kit is about 17% cheaper, currently priced at $81.62, with an average price of $78.01 over the past 90 days. This lower price point makes it an attractive option for users specifically looking to enhance the GPU performance of their existing ATX cases. Ultimately, the A3 chassis provides greater value for those needing an entire case solution, while the GPU kit offers a cost-effective enhancement for existing setups.

Target Audience

The Lian Li A3 chassis is ideal for users who want to build a compact, high-performance PC without compromising on aesthetics. Gamers and content creators looking for a stylish case that supports powerful hardware would find this product appealing.

In contrast, the Lian Li ATX PC Case 4 Slots Vertical GPU Kit is tailored for those who already have an ATX case and are specifically focused on showcasing their GPU. Its features cater to enthusiasts who want to optimize their GPU's thermal performance while enhancing the visual appeal of their builds. Both products cater to different segments of the PC building community.

Which should you buy?

Choosing between the Lian Li A3-mATX-WD-26.3L Micro Form Factor Chassis and the Lian Li ATX PC Case 4 Slots Vertical GPU Kit ultimately depends on your specific needs. If you're looking for a stylish and versatile chassis that supports high-performance components, the A3 is the better option at $89.99. However, if you already have an ATX case and want to enhance your GPU's performance and aesthetics, the GPU kit at $81.62 is a solid choice. Each product excels in its domain, ensuring that users can find the right solution for their PC building endeavors.