CORSAIR FRAME 4000D RS Modular Mid Tower ATX PC Case High Airflow, 3x Pre Installed Fans, InfiniRail™ Fan Mounting System, ASUS BTF, MSI Project Zero, Gigabyte Stealth Black

FRAME Modular Case System – The revolutionary FRAME system gives new meaning to the word customisation. Want to upgrade the motherboard tray to billet aluminium? Want to swap out your front I/O panel for more USB ports? Now you can. A case that can change and grow with your needs (or just your mood). The options are nearly limitless 3x CORSAIR RS120 Performance PWM Fans – High-performance fans pre-installed in the front of case. Support daisy-chainable 4-pin PWM connections and Zero RPM mode for near-silent operation at low load CORSAIR InfiniRail Fan Mounting System – This steel multi-point mounting system offers unmatched flexibility in front and roof fan configuration. Simply slide the rail to mount fans up to 200mm (140mm in the roof) wherever you like, ensuring targeted airflow Clean Lines or Turbo Cooled – The internal side panel near the motherboard tray can be used as a cable cover for clean cable management, or you can remove it and mount fans to the side for increased cooling potential 3D Y-Pattern Airflow Panel – Optimised for high airflow and minimal restriction, the steel front panel is perforated in three dimensions with a Y-pattern that provides a low-obstruction path for cool air