Deep Silence 2 Mid Tower E-ATX Case Extra Deep with Improved Front-To-Back Airflow for Server Motherboards, White Extra deep mid tower for server motherboards, with additional hardware to improve front-to-back airflow and cooling of motherboard/expansion cards; Fits E-ATX and ATX motherboards. Silent PC case with thicker than normal metalwork, dense sound dampening materials, rubber vibration isolators, and insulated drive doors to keep the noise contained. Includes 7 easy swap HDD/SSD sleds; Expandable to 10 HDD/SSD via additional sleds and by utilizing 5.25 inch to 3.5 adapters; Maximum 8 case fans. Optional assembly of two 120 mm fans via mounting bracket (behind HDD cage) improves disk ventilation and ensures cool air reaches your equipments. Easily tune airflow vs noise level with included 6 x 3-pin fan controller and 3 high quality rifle bearing fans; Clean PC with front fans and dust filters bolted with 4 screws.