The be quiet! Pure Base 501 mainstream case series was revealed around late October last year, but it is possible that a fairly new product has not reached all international markets. Company representatives were keen to show off the compact Pure Base 501 Air Flow White model at this year's CES trade event. TechPowerUp spent some time looking at the version sporting a solid/closed steel side panel—ideal for builders who are not fussed about displaying their system's innards.

The flashier Pure Base 501 Air Flow White with a glass side panel was also within reach at be quiet!'s Las Vegas suite. TPU checked out the case's very clean interior layout and spotted the two (pre-fitted as standard) Pure Wings 3 140 mm PWM fans. be quiet! has placed emphasis on the Pure Base 501's traditional aesthetic—devoid of loud RGB lighting zones. The case has been designed with versatility in mind, and its smart cable routing system was on display at CES 2025. TechPowerUp will be looking forward to the potential arrival of a review unit!

be quiet!, the German manufacturer for premium PC components, is introducing a brand-new mainstream case series, Pure Base 501, and a new mainstream power supply series, Pure Power 12. Following in the footsteps of the extremely successful and award-winning Pure Base 500 series, Pure Base 501 proves that simplicity can be exciting: useful features and a compact size make this case series perfect for any gaming or office PC. The line-up includes models aimed at silence or airflow, with or without window, and in two different colors (black and white). It supports advanced features for flexible installation and reliable cooling. Meanwhile, Pure Power 12 extends be quiet!'s power supply portfolio with mainstream models that offer 80 Plus Gold rating and fixed cables.

Pure Base 501: Compact yet mighty
Pure Base 501 is aimed at users looking for a very flexible case with compact dimensions and who appreciate a timeless, traditional design without ARGB features. The case series consists of one black model aimed at silence (with a closed front panel) and black and white models aimed at airflow (with a mesh front panel) featuring either a solid side panel or a side panel window for a perfect view of the components inside the case.

be quiet!, the German manufacturer for premium PC components, is unveiling a brand new mainstream case series at the Gamescom expo in Cologne, Germany, from August 21st to 25th. Pure Base 501 follows in the footsteps of the extremely successful and award-winning Pure Base 500 series, proving that simplicity can be exciting: useful features and a compact size make Pure Base 501 perfect for any gaming or office PC.
The perfect entry to the world of be quiet! PC cases

Pure Base 501 is aimed at users who are looking for a very flexible case with compact dimensions and who appreciate a timeless, traditional design without ARGB features. The case supports motherboards with ATX, micro-ATX or Mini-ITX form factor and cooling is handled by two Pure Wings 3 140 mm PWM fans in the front and rear of the case. Water cooling radiators are supported up to 360 mm and Pure Base 501 supports optional vertical graphics card installation. A decoupled double HDD cage is included for versatile storage options and the clever cable routing design keeps the interior tidy. Like its predecessor, Pure Base 501 is available in several versions: for maximum silence, the case is available in a black version with a closed front and steel side panel. Versions aimed at maximum airflow, with a mesh front and with or without windows side panel, are available in black or white. The cases are scheduled for a release in November and come with a 3-year manufacturer's warranty.