be quiet! Pure Base 500 Window Grey combines customizable and silence features with a compact and sophisticated design. Exchangeable top cover for silent or high-performance systems Two preinstalled Pure Wings 2 140mm fans Insulation mats on the front, sides and the regular top cover Water cooling ready for radiators of up to 360mm Generous space for high-end graphics cards and large coolers Various options to install up to five SSDs in total PSU shroud and smart cable routing options provide a neat interior Easy PSU installation from the back of the case Side panel made of tempered glass Regular Top Cover Perfect for silent air-cooled systems The regular top cover perfectly rounds off the design of the Pure Base 500. An insulation mat attached underneath ensures a silent operation. It is the perfect choice for air-cooled systems and regular, silent PC configurations. Strong magnets make sure the top covers fits firmly. High Performance Top Cover Maximum airflow for water-cooled configurations For all who strive for maximum performance and especially with water-cooled systems, the extremely air-permeable top cover is the right choice. It is made of light meshed fabrics, ensuring the highest airflow possible. Two Preinstalled Pure Wings 2 Whisper-quiet operation Two preinstalled Pure Wings 2 fans with airflow-optimized fan blades that ensure perfect airflow and cooling. Despite the compact case design the front and rear fans are both 140mm models, resulting in very quiet operation. Up to three 140mm fans can be installed in addition. Noise Dampening Achieving great silence and stability The front, sides and regular top cover are equipped with insulation mats that result in great stability and improved noise dampening capabilities. The dust filters on the front and bottom are easy to remove for cleaning. Sophisticated Design Generous space for high-end hardware The Pure Base 500 provides generous dimensions to install high-end graphics cards and large coolers of up to