be quiet! Pure Base 501 LX & DX: Illuminating design and optimal airflow for enhanced performance


March 2, 2025 by our News Team

Be quiet! introduces two new additions to its Pure Base 501 series, the Pure Base 501 LX and Pure Base 501 DX, featuring sleek design, ARGB lighting, and versatile features for both gaming and office PCs.

  • Offers useful features and compact size for both gaming and office PCs
  • Focus on ARGB lighting for a touch of colorful flair
  • Supports motherboards with ATX, micro-ATX, or mini-ITX form factors


be quiet!, the German manufacturer known for its premium PC components, is back with two new additions to its Pure Base 501 series: the Pure Base 501 LX and the Pure Base 501 DX. These sleek cases prove that simplicity can be exciting, offering useful features and a compact size that make them perfect for both gaming and office PCs. But what sets these models apart is their focus on ARGB lighting, catering to users who want to add a touch of Colorful flair to their computer hardware.

Let’s start with the Pure Base 501 LX. At first glance, it may look similar to the Pure Base 501 Airflow Window, but once you press that power button, you’ll see the difference. Instead of the two Pure Wings 3 fans found in the base models, the Pure Base 501 LX boasts four Light Wings LX fans. Three 120mm PWM fans pull cool air from the front, while a large 140mm PWM fan exhausts warm air through the rear of the case. These fans are a dream come true for ARGB enthusiasts, with their frosted fan blades and ARGB impeller. And that’s not all – the Pure Base 501 LX also includes a hub for up to 6 ARGB devices and PWM fans, allowing you to create a fully synchronized ARGB system.

Now, let’s move on to the Pure Base 501 DX. This model is designed for users who appreciate a modern look with ARGB features both on the outside and inside of the case. The front panel has been redesigned to incorporate ARGB lighting, providing a high-airflow intake. And with three Pure Wings 3 140mm PWM fans – one more than the base version – this case offers excellent cooling and airflow. The RGB lighting on the front panel continues on the inside, resulting in a sophisticated and eye-catching appearance.

But what about the practical aspects? Well, all Pure Base 501 models support motherboards with ATX, Micro-ATX, or mini-ITX form factors. You can easily install triple fans or radiators up to 360mm at the front, ensuring optimal cooling performance. The case series also accommodates high-end Graphics Cards and even supports optional vertical graphics card installation for those who want to show off their hardware. Plus, with the included decoupled double HDD cage, you have plenty of storage options to choose from. And don’t worry about cable management – be quiet! has you covered with a clever cable routing design that keeps the interior tidy and organized.

In terms of connectivity, the Pure Base 501 LX and DX come with a USB 3.2 Gen. 2 Type C connector on the front panel, allowing for fast data transfer. And let’s not forget about aesthetics – both models feature a side panel window, giving you a perfect view of the components inside the case. What’s unique to these new models is the addition of a front-panel button to control the ARGB effects, putting customization at your fingertips.

The Pure Base 501 LX and Pure Base 501 DX are available in black and white, giving you options to match your setup. And with a 3-year manufacturer’s warranty, you can have peace of mind knowing that be quiet! stands behind their products.

So, if you’re in the market for a stylish and functional case that combines sleek design with high performance, look no further than the Pure Base 501 LX and DX. These cases offer stunning ARGB lighting, superior airflow, and versatile features that meet the needs of gamers and PC enthusiasts alike. Get ready to let it shine and light it up with be quiet!’s latest products.

The Pure Base 501 LX and Pure Base 501 DX will be available for sale starting from March 11. For more information, visit the Pure Base 501 product page.

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Background Information


About Colorful:

Colorful is a leading technology company, specializing in IT, computers, and electronics. Founded in 1995, Colorful has grown to become one of China’s leading PC manufactures, ranking first in motherboard production and offering a wide range of products that includes desktops, laptops, motherboards, graphics cards, and other PC-related components. Colorful also provides a range of tablet and smart device components, including Android and Windows Phone devices, all-in-ones, iPads, game consoles, and more. Colorful also produces a line of digital health products as well. The company has a strong international presence, and its products are available around the world. Colorful has established itself as a leader in the PC manufacturing industry, providing quality and innovation with each of its products.

Colorful website  Colorful LinkedIn
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Technology Explained


ATX: ATX (Advanced Technology eXtended) is a type of motherboard form factor that has become the standard in the computer industry. It was first introduced in the mid-1990s and has since evolved to become the most widely used form factor for desktop computers. The main purpose of ATX is to provide a standardized layout for computer components, making it easier for manufacturers to design and produce compatible parts. This has led to a more efficient and cost-effective production process, resulting in more affordable and reliable computers for consumers. Additionally, the ATX form factor allows for better airflow and cooling within the computer, which is crucial for maintaining optimal performance. Overall, ATX technology has greatly contributed to the advancement of the computer industry by providing a universal standard for computer components and improving the overall functionality and reliability of computers.

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HDD: A Hard Disk Drive (HDD) is a classic data storage device that utilizes spinning disks, or platters, coated with a magnetic material to store and retrieve data. An actuator arm with read/write heads accesses data by moving over the spinning platters. HDDs offer large storage capacities at a comparatively lower cost per gigabyte, making them suitable for applications where massive data storage is required, such as servers and desktop computers. However, HDDs are slower in terms of read and write speeds compared to SSDs due to the mechanical nature of their operation. They are more susceptible to physical shocks and are less energy-efficient due to the need to constantly spin the platters.

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ITX: ITX (Information Technology eXtended) is a form factor for motherboards and other computer components. It is a small form factor that is designed to be more compact than traditional ATX motherboards. ITX motherboards are typically used in small form factor PCs, such as those used in home theater PCs, media centers, and other small form factor applications. ITX motherboards are also used in embedded systems, such as those used in industrial automation, medical equipment, and other embedded applications. ITX motherboards offer a number of advantages over traditional ATX motherboards, such as lower power consumption, smaller size, and improved cooling. Additionally, ITX motherboards are often more affordable than their ATX counterparts, making them a popular choice for budget-conscious consumers.

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Micro-ATX: Micro-ATX is a form factor of motherboards used in computers. It is a smaller version of the ATX form factor, and is designed to provide a smaller footprint for computer systems. Micro-ATX motherboards are typically used in small form factor computers, such as those used in home theater PCs, small office/home office computers, and other space-constrained applications. They are also used in some gaming PCs, as they offer a good balance between size and performance. Micro-ATX motherboards are typically more affordable than their larger ATX counterparts, making them a popular choice for budget-conscious consumers. Additionally, they are compatible with most standard ATX components, making them a great choice for those looking to upgrade their existing system.

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mini-ITX: The mini-ITX is a small form factor computer motherboard developed by VIA Technologies in 2001. It is designed to be a low-power, low-cost solution for embedded and small form factor applications. It is a 6.7-inch square motherboard that supports a wide range of processors, including Intel and AMD CPUs, as well as VIA's own C3 and C7 processors. The mini-ITX is used in a variety of applications, including home theater PCs, small form factor desktops, and embedded systems. It is also used in industrial applications, such as medical imaging, digital signage, and point-of-sale systems. The mini-ITX is a popular choice for computer enthusiasts who want to build their own small form factor PCs. It is also used in many commercial products, such as the Apple Mac mini and the Asus Eee PC.

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PWM: Pulse Width Modulation (PWM) is a type of technology used in the computer industry that allows for control over pulse and frequency. It works by modulating an output signal’s pulse width or duty cycle to vary the on and off times of the signal. This technology can be used to control and regulate different DC motor, lighting, and other devices. In the computer industry, PWM is often used to control the speed of CPU and GPU fan speeds for improved cooling. It is also used to control backlighting levels on devices such as keyboards or monitors. PWM is versatile, cost-effective, and efficient; as such, it is an important technology in the computer industry.

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