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Lian Li A3-mATX-WD-26.3L Micro Form Factor vs LIAN LI O11D MINI V2 | Compact ATX Mid-Tower

Updated July 2026 — Lian Li A3-mATX-WD-26.3L Micro Form Factor wins on gpu length and fan slots, LIAN LI O11D MINI V2 | Compact ATX Mid-Tower wins on width and height.

The Lian Li A3 offers a compact design with excellent cooling capabilities, while the O11D MINI V2 provides versatile compatibility and a striking visual appeal. Ultimately, the choice depends on user preferences.

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

Compact Design

Ideal for minimalist setups

Cooling Capacity

Supports extensive cooling options

Wood Finish

Stylish and elegant appearance

Why LIAN LI O11D MINI V2 | Compact ATX Mid-Tower is better

Visual Appeal

Pillar-less tempered glass panels

Motherboard Compatibility

Supports ATX, M-ATX, and Mini-ITX

Airflow Design

Enhanced GPU cooling with slanted bottom

Overall score

Lian Li A3-mATX-WD-26.3L Micro Form Factor
85
LIAN LI O11D MINI V2 | Compact ATX Mid-Tower
88

Specifications

SpecLian Li A3-mATX-WD-26.3L Micro Form FactorLIAN LI O11D MINI V2 | Compact ATX Mid-Tower
Cooling Support360mm radiator360mm radiator
Motherboard SizemATX/ITXATX/M-ATX/ITX
MaterialSteel/WoodTempered Glass/Steel
Cable ManagementModular DesignAnti-sag Brackets
Price$89.99$89.99

Dimension comparison

Lian Li A3-mATX-WD-26.3L Micro Form FactorLIAN LI O11D MINI V2 | Compact ATX Mid-Tower

Design and Aesthetics

The Lian Li A3-mATX-WD-26.3L offers a unique and compact design with a stylish wood front panel, while the LIAN LI O11D MINI V2 boasts a modern mid-tower aesthetic with pillar-less tempered glass panels. The Lian Li A3 presents a minimalist approach, featuring a walnut wood front that contributes to a clean and sophisticated look, ideal for a compact setup. In contrast, the O11D MINI V2 emphasizes visual appeal through its panoramic view, allowing users to showcase their internal components beautifully. Both designs are visually striking, but the choice ultimately depends on whether you prefer the warmth of wood or the sleekness of glass.

Cooling and Airflow

Both cases are designed with airflow in mind, but they employ different strategies. The Lian Li A3 supports high airflow through its steel mesh panels, making it suitable for high-TDP GPUs and radiator setups. It can accommodate up to 10 x 120mm fans and supports a 360mm radiator, ensuring excellent cooling performance. On the other hand, the O11D MINI V2 features a 10° slanted bottom design that enhances cold air intake and improves GPU cooling. While both cases are effective, the A3's greater fan capacity may appeal to those who prioritize extensive cooling options.

Compatibility and Expansion

When it comes to compatibility, the Lian Li A3 supports both mATX and ITX motherboards, providing flexibility for various builds. It accommodates GPUs up to 415mm in length and has four expansion slots, making it suitable for users seeking to include powerful components in a compact format. The O11D MINI V2, meanwhile, caters to a wider range of motherboard sizes, supporting standard ATX, M-ATX, and Mini-ITX configurations. This versatility allows for a broader choice of builds, but the A3's capacity for longer GPUs may be a deciding factor for gamers or content creators with high-performance needs.

Cable Management

Both cases prioritize cable management, but they offer different solutions. The Lian Li A3 provides flexible PSU installation options with support for ATX, SFX, and SFX-L power supplies, enhancing cable management and clearance. Its modular design aids in creating a tidy interior. Conversely, the O11D MINI V2 includes specific brackets for the 24-pin motherboard cable and offers anti-sag support for heavy GPUs, which reduces strain on the motherboard and maintains a clean layout. If cable management is a top concern, the O11D MINI V2's targeted features could make it the more appealing choice.

Price Comparison

Both the Lian Li A3 and the O11D MINI V2 are priced identically at $89.99, making them equally accessible for budget-conscious consumers. However, considering the O11D MINI V2's additional features, such as the tempered glass panels and enhanced airflow design, some may perceive it as offering greater value. Although they share the same price point, the differences in design and functionality could influence a buyer's decision based on their specific needs and preferences.

Target Audience

The Lian Li A3 is particularly suited for users looking for a compact case that supports extensive cooling and high-performance components without taking up too much space. Its design is ideal for minimalist setups and those who appreciate a touch of elegance with the wood front panel. In contrast, the O11D MINI V2 targets a broader audience, including gamers and PC builders who want a visually stunning case that supports various motherboard sizes and offers superior cooling options. Each case appeals to different user preferences, and understanding your priorities can guide your choice.

Brand Reputation

Lian Li is known for its high-quality PC cases, and both products reflect the brand's commitment to craftsmanship and innovation. While neither product currently holds a bestseller rank, their features and design elements suggest they are well-received in the market. Lian Li's reputation for durability and performance enhances the appeal of both the A3 and the O11D MINI V2, ensuring that consumers can trust their investment in either product.

Which should you buy?

Deciding between the Lian Li A3 and the O11D MINI V2 ultimately hinges on your specific needs and aesthetic preferences. If you prioritize a compact design with a wood finish and excellent cooling capabilities, the Lian Li A3 may be your best choice. However, if you desire a visually striking case with versatile compatibility and enhanced airflow features, the O11D MINI V2 stands out as a compelling option. Both cases are priced at $89.99, so your decision should focus on the functional aspects and visual appeal that align most closely with your build requirements.