The CORSAIR 4000D is a distinctive, yet minimalist, mid-tower ATX case with easy cable management and exceptional cooling, with two included CORSAIR AirGuide fans. SOLID STEEL FRONT PANEL Sharp looks and superb durability, with wide ventilation channels for ample airflow. CORSAIR RAPIDROUTE CABLE MANAGEMENT Makes it simple and fast to build an immaculate, professional-looking system with major cables neatly routed through a single channel, with a roomy 25mm of space behind the motherboard for all of your cables. POWERFUL DIRECTED AIRFLOW Equipped with two CORSAIR 120mm AirGuide fans, utilizing anti-vortex vanesTo to concentrate airflow and enhance cooling. UNLIMITED POSSIBILITIES Build it how you want today, with an easy upgrade path for tomorrow. EXTREME COOLING POTENTIAL A spacious interior fits up to 6x 120mm or 4x 140mm cooling fans, along with multiple radiators including a 360mm in front and 280mm in the roof. ALL THE STORAGE YOU NEED Fits up to 2x 2.5in SSDs and 2x 3.5in HDDs, with relocatable SSD trays that can be moved to the front PSU cover. VERTICAL GPU MOUNT READY With included vertical PCIe slots and a screw mount for a CORSAIR PCI-Express 3.0 extension cable (sold separately) you can show off your GPU and keep it secure at the same time. PUT YOUR CONNECTIONS WITHIN EASY REACH The modern front panel I/O panel includes a USB 3.1 Type-C Port, USB 3.0 port, and a combination audio/microphone jack. EASY SLIDE-ON, SLIDE-OFF SIDE PANEL Show off your high-profile components and RGB lighting with an easy slide-on, slide-off attach method.