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be quiet! Pure Base 501 Black PC case | 2 vs Lian Li A3-mATX-WD-26.3L Micro Form Factor

Updated July 2026 — be quiet! Pure Base 501 Black PC case | 2 wins on depth and height, Lian Li A3-mATX-WD-26.3L Micro Form Factor wins on gpu length.

The be quiet! Pure Base 501 excels in quiet operation and cooling efficiency, while the Lian Li A3-mATX offers a stylish design and compact form factor. Overall, the Pure Base 501 is the better choice for most users.

Why be quiet! Pure Base 501 Black PC case | 2 is better

Price

Pure Base 501 is cheaper at $84.90.

Noise

Designed for quiet operation.

Cooling

Includes preinstalled fans for enhanced airflow.

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

Design

Stylish walnut wood front panel.

Compactness

Micro form factor chassis.

Flexibility

Supports multiple fan configurations.

Overall score

be quiet! Pure Base 501 Black PC case | 2
88
Lian Li A3-mATX-WD-26.3L Micro Form Factor
82

Specifications

Specbe quiet! Pure Base 501 Black PC case | 2Lian Li A3-mATX-WD-26.3L Micro Form Factor
Fans Included20
USB Ports32
Motherboard SupportmATX/ATXmATX/ITX
MaterialSteelAluminum/Wood
Radiator Support360mm360mm

Dimension comparison

be quiet! Pure Base 501 Black PC case | 2Lian Li A3-mATX-WD-26.3L Micro Form Factor

Pricing Comparison

The be quiet! Pure Base 501 Black is priced at $84.90, making it about 6% cheaper than the Lian Li A3-mATX, which retails for $89.99. This slight price difference may make the Pure Base 501 more attractive for budget-conscious builders seeking a quality PC case. While the price alone might not dictate the best choice, it is an important factor for many consumers deciding between these two options.

Design and Aesthetics

The be quiet! Pure Base 501 features a streamlined design optimized for quiet operation, appealing to users who appreciate a minimalistic look without sacrificing functionality. Its aesthetic is complemented by two preinstalled Pure Wings 3 fans, ensuring both style and performance. In contrast, the Lian Li A3-mATX boasts a modern compact design with a stylish walnut wood front panel, catering to those who prioritize aesthetics and a clean build. Both cases are visually appealing, but the choice may depend on whether one prefers a more traditional look or a unique wood finish.

Cooling Potential

In terms of cooling capabilities, the be quiet! Pure Base 501 stands out with its provision for enhanced airflow. It includes an airflow-optimized 140mm PWM fan and can accommodate up to three additional front fans or a 360mm radiator, making it an excellent choice for high-performance builds. On the other hand, the Lian Li A3-mATX is designed with high airflow steel mesh panels and supports a 360mm radiator alongside the potential for up to 10 x 120mm fans. While both cases offer substantial cooling options, the Lian Li's flexibility with fan placement may provide an edge for users focused on high-TDP setups.

Space and Compatibility

The be quiet! Pure Base 501 is designed as a mid-tower case, allowing ample space for high-end graphics cards and large coolers, including options for vertical GPU mounting. It also features smart cable management for a cleaner build. Conversely, the Lian Li A3-mATX is a micro form factor chassis but still accommodates mATX and ITX motherboards, supporting GPUs up to 415mm. Although it has a more compact footprint, the Lian Li case's design does not compromise on performance, making both cases suitable for different user needs depending on the scale of their builds.

Installation and Accessibility

The be quiet! Pure Base 501 offers efficient layout and connectivity with front I/O ports that include USB 3.2 Gen 2 Type C and dual Type A, providing fast and convenient access for users. It also features flexible GPU installation options. In comparison, the Lian Li A3-mATX allows for flexible PSU installation with compatibility for ATX, SFX, and SFX-L power supplies, enhancing clearance and cable management. While both cases prioritize user accessibility, the Pure Base 501 might be more appealing for those who frequently connect USB devices.

Noise Levels and Operation

The be quiet! Pure Base 501 is specifically crafted for quiet operation, with features that reduce noise while maintaining performance. The preinstalled fans are designed to minimize turbulence, making it suitable for users who prioritize a silent PC experience. The Lian Li A3-mATX, while it emphasizes high airflow, does not specifically advertise noise reduction features. Therefore, for users who are sensitive to noise, the be quiet! Pure Base 501 could be the more suitable option.

Brand Reputation and User Trust

Be quiet! is recognized for its focus on creating products that prioritize noise reduction and quality performance, which is reflected in the Pure Base 501's design. Lian Li, on the other hand, is renowned for its innovative and stylish designs, particularly its use of aluminum and wood in chassis construction. Both brands hold a strong reputation in the PC building community, but those who value quiet operation may lean toward be quiet!, while users who appreciate premium materials and aesthetics might prefer Lian Li.

Which should you buy?

Choosing between the be quiet! Pure Base 501 and the Lian Li A3-mATX ultimately depends on individual preferences and requirements. If silent operation, efficient airflow, and a slightly lower price point are your priorities, the be quiet! Pure Base 501 is the clear winner at $84.90. However, if you’re looking for a compact chassis that supports high-performance components with a stylish wood finish, the Lian Li A3-mATX at $89.99 could be the better fit. Both cases offer excellent features, but understanding your specific needs will guide you to the right choice.