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Lian Li A3-mATX-WD-26.3L Micro Form Factor vs NZXT H2 Flow – Mini-ITX 20.7L High Airflow PC Case

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

The Lian Li A3-mATX-WD offers superior cooling potential and compatibility for larger components at a lower price, making it the better choice overall.

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

Cooling Capacity

Supports up to 10 x 120mm fans and a 360mm radiator.

Component Compatibility

Accommodates GPUs up to 415mm.

Price

Priced at $89.99, significantly cheaper than NZXT.

Why NZXT H2 Flow – Mini-ITX 20.7L High Airflow PC Case is better

Ease of Installation

Tool-less panels and integrated cable management.

Aesthetic Design

Hybrid glass-and-mesh design showcases components.

Pre-installed Fans

Includes two 120mm fans for immediate cooling.

Overall score

Lian Li A3-mATX-WD-26.3L Micro Form Factor
85
NZXT H2 Flow – Mini-ITX 20.7L High Airflow PC Case
75

Specifications

SpecLian Li A3-mATX-WD-26.3L Micro Form FactorNZXT H2 Flow – Mini-ITX 20.7L High Airflow PC Case
Form FactormATX/ITXMini-ITX
MaterialSteel/WoodGlass/Mesh
Cooling Support360mm280mm
Price$89.99$149.99
InstallationModularTool-less

Dimension comparison

Lian Li A3-mATX-WD-26.3L Micro Form FactorNZXT H2 Flow – Mini-ITX 20.7L High Airflow PC Case

Design and Aesthetics

The Lian Li A3-mATX-WD features a stylish walnut wood front panel, offering a modern and clean look that stands out in any setup. In contrast, the NZXT H2 Flow adopts a hybrid glass-and-mesh design, allowing users to showcase their internal components while ensuring efficient airflow. The Lian Li's modular design promotes a minimalist approach, ideal for those looking for an organized build. Although both cases are visually appealing, the choice ultimately depends on personal preference for materials and aesthetics.

Size and Form Factor

When it comes to size, the Lian Li A3-mATX-WD has a compact volume of 26.3 liters, which accommodates mATX and ITX motherboards. This case provides ample space for GPUs up to 415mm, allowing for significant hardware versatility. On the other hand, the NZXT H2 Flow is smaller, with a volume of 20.7 liters, supporting GPUs up to 331mm. While the Lian Li offers a bit more room for larger components, the NZXT’s smaller form factor may appeal to users with limited desk space.

Cooling Capabilities

The Lian Li A3-mATX-WD is designed for high-performance cooling, supporting up to 10 x 120mm fans and a 360mm radiator. This capacity is particularly beneficial for high-TDP GPUs and intensive gaming setups. In comparison, the NZXT H2 Flow supports a 280mm radiator and includes two 120mm top fans out of the box. Although both cases prioritize airflow, the Lian Li provides greater flexibility for cooling solutions, making it a better option for users looking to overclock or run high-performance components.

Build Quality and Materials

The Lian Li A3-mATX-WD is built with high-quality materials, featuring a wood front panel and steel mesh side panels that enhance durability and airflow. The NZXT H2 Flow, while also well-constructed, incorporates a mix of glass and mesh, which may not offer the same level of robustness as the Lian Li's steel construction. Users seeking a more premium feel and sturdiness may prefer the Lian Li's choice of materials, while those who appreciate the aesthetics of glass may lean towards the NZXT.

Price and Value

The Lian Li A3-mATX-WD is priced at $89.99, making it about 40% cheaper than the NZXT H2 Flow, which retails for $149.99. This significant price difference may influence budget-conscious consumers looking for a high-quality case without breaking the bank. While the NZXT offers additional features like pre-installed fans and a PCIe 5.0 riser cable, the lower price of the Lian Li could provide better value for users who prioritize essential functionality over extra components.

Ease of Installation

Ease of installation is a key factor for many builders. The NZXT H2 Flow is designed with tool-less panels and integrated cable routing Velcro straps, simplifying the building process and promoting a clean interior. Conversely, the Lian Li A3-mATX-WD offers flexible PSU installation options but may require more effort in cable management due to its modular design. For those who value a straightforward setup, the NZXT's user-friendly features may be more appealing.

Compatibility and Expansion

The Lian Li A3-mATX-WD stands out with its compatibility for both mATX and ITX motherboards, as well as supporting GPUs up to 415mm, making it a versatile choice for various builds. It also boasts 4 expansion slots, providing room for additional components. Meanwhile, the NZXT H2 Flow, while compact, is limited to mini-ITX motherboards and supports GPUs only up to 331mm. This fundamental difference in compatibility may sway users with specific hardware requirements toward the Lian Li.

Which should you buy?

Choosing between the Lian Li A3-mATX-WD and the NZXT H2 Flow ultimately comes down to your specific needs and preferences. The Lian Li offers greater cooling potential, compatibility with larger components, and a lower price point, making it a strong contender for those building a high-performance system. However, if you prefer a more compact design with ease of installation and you appreciate the hybrid panel aesthetic, the NZXT H2 Flow may be the better choice. Each case has its strengths, but the Lian Li's advantages in size, cooling capacity, and price make it a more compelling option overall.