Fractal Design Define 7 XL Black Solid Brushed vs Lian Li A3-mATX-WD-26.3L Micro Form Factor
Updated July 2026 — Fractal Design Define 7 XL Black Solid Brushed leads on depth and volume.
The Fractal Design Define 7 XL excels in features and capacity, while the Lian Li A3 offers a budget-friendly compact option. Choose based on your specific needs.
Why Fractal Design Define 7 XL Black Solid Brushed is better
Storage Capacity
Define 7 XL supports up to 18 HDDs and 5 SSDs.
Cooling Options
Define 7 XL supports radiators up to 480mm.
Build Quality
Define 7 XL is made from brushed aluminum and steel.
Why Lian Li A3-mATX-WD-26.3L Micro Form Factor is better
Price
Lian Li A3 is priced at $89.99.
Compact Size
Lian Li A3 has a compact 26.3L design.
Aesthetic Appeal
Lian Li A3 features a stylish walnut wood front panel.
Overall score
Specifications
| Spec | Fractal Design Define 7 XL Black Solid Brushed | Lian Li A3-mATX-WD-26.3L Micro Form Factor |
|---|---|---|
| Material | Brushed Aluminum/Steel | Steel Mesh |
| Max GPU Length | N/A | 415mm |
| Radiator Support | Up to 480mm | Up to 360mm |
| Fan Support | Multiple Configurations | Up to 10 x 120mm |
| Drive Bays | 18 HDDs, 5 SSDs | Not specified |
Dimension comparison
Price Comparison
The Fractal Design Define 7 XL is priced at $239.99, while the Lian Li A3 is significantly more affordable at $89.99, making it about 63% cheaper. This price difference might be a crucial factor for budget-conscious builders, especially considering that both cases cater to different market segments. The Define 7 XL offers extensive features suited for high-end builds, while the Lian Li A3 provides a compact option for those who prioritize space without sacrificing performance.
Design and Aesthetics
In terms of design, the Define 7 XL boasts a refined look with brushed aluminum and a sleek front door with reversible hinges, appealing to those who value a sophisticated aesthetic. It features a modular design that can accommodate various layouts, enhancing its visual appeal and functionality. On the other hand, the Lian Li A3 combines a stylish walnut wood front panel with a practical modular structure. This combination gives it a unique charm that stands out among typical PC cases. Both cases have distinct designs that cater to different style preferences.
Build Quality and Materials
The Fractal Design Define 7 XL is constructed from solid brushed aluminum and steel, promising durability and a premium feel. This robust build is ideal for high-performance components and ensures longevity. In contrast, while the Lian Li A3 also exhibits quality craftsmanship, its primary materials include steel mesh panels for high airflow. This design is engineered for optimal cooling but may not convey the same premium feel as the Define 7 XL. Each case reflects its brand’s focus: Fractal Design on elegance and durability, and Lian Li on performance and airflow.
Internal Space and Configuration
The Define 7 XL excels in internal space, accommodating large motherboards up to E-ATX and offering room for up to 18 HDDs and 5 SSDs. This expansive layout supports complex builds, including multi-GPU setups and elaborate water cooling loops. Conversely, the Lian Li A3 is designed for smaller builds, supporting mATX and ITX motherboards while maintaining a compact 26.3L size. It can fit GPUs up to 415mm, which is impressive for its size, but it won't accommodate nearly as many drives or larger motherboards as the Define 7 XL. The choice here largely depends on the intended build size and complexity.
Cooling Solutions
Cooling capabilities differ significantly between the two cases. The Define 7 XL can support large radiators up to 480mm, making it suitable for extensive water cooling setups. It also features a versatile layout that allows for various fan configurations. In contrast, the Lian Li A3 supports a 360mm radiator and up to 10 x 120mm fans, emphasizing airflow through its steel mesh panels. While it may not match the Define 7 XL in sheer cooling capacity, its design is optimal for smaller, high-performance builds. Builders focused on cooling will find strengths in both cases but will need to consider their specific cooling needs.
Storage Options
Storage capacity is a significant difference between the two cases. The Define 7 XL can house an impressive 18 HDDs and 5 SSDs, making it perfect for users who need ample storage for gaming, video editing, or extensive data. The Lian Li A3, while it has a more compact design, does not provide explicit storage capabilities in the data provided. Thus, it is likely more suited for users with moderate storage needs. Those prioritizing storage will find the Define 7 XL to be a superior choice, while minimalists may appreciate the streamlined approach of the Lian Li A3.
Assembly and Usability
The Define 7 XL is designed with modularity in mind, featuring multi-brackets that allow for easy conversion of unused fan positions into mounts for HDDs, SSDs, or pumps. This thoughtful design enhances usability, making it accessible to both novice and experienced builders. The Lian Li A3 also boasts a modular design, allowing flexible PSU installation and enhancing cable management. However, the complexity of configuring the Define 7 XL may appeal more to users looking for a customized setup, while the Lian Li A3 is geared towards simplicity and efficiency in assembly.
Which should you buy?
Choosing between the Fractal Design Define 7 XL and the Lian Li A3 ultimately depends on your specific needs and budget. If you're seeking a high-capacity case that supports extensive builds with superb cooling options, the Define 7 XL is the way to go, despite its higher price of $239.99. However, if you're looking for a compact, stylish case at a budget-friendly price of $89.99, the Lian Li A3 presents a compelling option. Each case has its strengths; your selection should align with your performance requirements and aesthetic preferences.

