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be quiet! Pure Base 501 Black PC case | 2 vs LIAN LI O11D MINI V2 | Compact ATX Mid-Tower

Updated July 2026 — be quiet! Pure Base 501 Black PC case | 2 wins on height and gpu length, LIAN LI O11D MINI V2 | Compact ATX Mid-Tower wins on width.

The be quiet! Pure Base 501 offers excellent noise reduction and cooling at a lower price, while the LIAN LI O11D MINI V2 excels in aesthetics and airflow design.

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

Price

The Pure Base 501 is cheaper at $84.90.

Noise Levels

Designed for quiet operation.

Cooling Support

Supports multiple fan configurations.

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

Aesthetics

Pillar-less design for unobstructed views.

Airflow Design

10° slanted bottom enhances cooling.

Compatibility

Supports various motherboard sizes.

Overall score

be quiet! Pure Base 501 Black PC case | 2
85
LIAN LI O11D MINI V2 | Compact ATX Mid-Tower
88

Specifications

Specbe quiet! Pure Base 501 Black PC case | 2LIAN LI O11D MINI V2 | Compact ATX Mid-Tower
Cooling Fans1x 140mmNo fans included
USB Ports32
GPU SupportVerticalHorizontal/Vertical
Motherboard SizeATXATX/M-ATX/Mini-ITX
MaterialSteel/PlasticAluminum/Glass

Dimension comparison

be quiet! Pure Base 501 Black PC case | 2LIAN LI O11D MINI V2 | Compact ATX Mid-Tower

Introduction to the PC Cases

In the realm of PC building, selecting the right case is crucial for both aesthetics and functionality. The be quiet! Pure Base 501 Black and the LIAN LI O11D MINI V2 are two remarkable options, each offering unique features tailored to different user preferences. The Pure Base 501 is priced at $84.90, while the O11D MINI V2 comes in at $89.99, making the former about 11% cheaper.

Design and Aesthetics

When it comes to design, the be quiet! Pure Base 501 Black showcases a streamlined and minimalistic aesthetic, appealing to users who prefer a subtle yet elegant look. Its focus on quiet operation is evident in its construction, which is optimized for noise reduction. On the other hand, the LIAN LI O11D MINI V2 features a more modern approach with a panoramic view thanks to its pillar-less tempered glass front and side panels. This allows for an unobstructed view of the internal components, making it ideal for those who want to showcase their builds.

Cooling Performance

Cooling capabilities are critical in a PC case, and both cases have their strengths. The Pure Base 501 is equipped with a Pure Wings 3 140mm PWM fan, which is designed to reduce turbulence and noise while enhancing airflow. It supports up to three front fans or a 360mm radiator, along with three top fans or a 240mm radiator, making it versatile for demanding builds. In contrast, the LIAN LI O11D MINI V2 features a unique 10° slanted bottom design that improves GPU cooling performance significantly, along with its fully ventilated airflow system. If cooling efficiency is your priority, the O11D MINI V2 has a notable advantage.

Compatibility and Build Flexibility

Compatibility is an essential aspect to consider when choosing a PC case. The be quiet! Pure Base 501 offers flexible GPU installation options, allowing for vertical GPU mounting that can prevent sag with the use of an optional riser cable. It also provides ample space for high-end graphics cards and large coolers. Meanwhile, the LIAN LI O11D MINI V2 supports a variety of motherboard sizes including standard ATX, M-ATX, and Mini-ITX. It also comes with horizontal and vertical GPU anti-sag brackets, ensuring robust support for heavy GPUs. Both cases excel in build flexibility, but the O11D MINI V2's support for various motherboard types may appeal to a broader range of builders.

Cable Management

Effective cable management can greatly enhance the overall look of a PC build. The Pure Base 501 features smart cable management options that help keep the interior tidy, which is crucial for airflow and aesthetics. The case's design simplifies the organization of cables, making it user-friendly for builders. The LIAN LI O11D MINI V2 also prioritizes cable management, offering special brackets for the 24-pin motherboard cable to maintain a clean layout. Both cases excel in this regard, but the additional features in the O11D MINI V2 might give it a slight edge for users who prioritize a pristine build.

Connectivity Options

Connectivity is another vital aspect to consider when choosing a PC case. The be quiet! Pure Base 501 comes with front I/O ports that include USB 3.2 Gen. 2 Type C and dual Type A ports, providing fast and convenient access for users. This makes it suitable for modern setups that require quick data transfer. The LIAN LI O11D MINI V2 also offers adjustable I/O, though specific details about its connectivity options haven’t been highlighted. The explicit mention of advanced USB options in the Pure Base 501 makes it a more appealing choice for users who need high-speed data transfer capabilities.

Noise Levels

Noise levels can significantly impact the user experience, especially for those who prefer a quieter workstation. The Pure Base 501 is specifically designed for quiet operation, making it an excellent choice for users who prioritize a noise-free environment. In contrast, while the LIAN LI O11D MINI V2 is built with airflow in mind, its performance specifics regarding noise levels are not detailed. Given the emphasis on silent operation in the Pure Base 501, it may be the preferred option for noise-conscious users.

Which should you buy?

Choosing between the be quiet! Pure Base 501 Black and the LIAN LI O11D MINI V2 ultimately depends on your specific needs and preferences. If you're looking for a quieter case with excellent cooling potential at a lower price point of $84.90, the Pure Base 501 is an ideal choice. However, if you value aesthetics, superior cooling design, and robust compatibility options, the LIAN LI O11D MINI V2 at $89.99 may be worth the investment. Both cases offer unique features that cater to different types of builders, making either a solid addition to your setup.