Midi Tower PC ATX, EATX, micro ATX, Mini-ATX Supported HDD sizes: 2.5,3.5" Number of 2.5" bays: 2 Number of 3.5" bays: 2 Side window Illumination Multi Anti-dust filter Acrylonitrile butadiene styrene (ABS), Glass, Steel White Phanteks continues its user friendly design chassis with the new Eclipse Series P400S.Without much effort, the P400S allows users to create a clean and beautiful system. Ambient RGB illumination adds character while the solid metal exterior gives the case a simple elegant design. The P400S is suitable for beginners and experienced system builders with all the extra features. The P400S comes with sound damping panels and a 3-speed fan controller to enhance acoustical performance. Design Maximum PSU length 27 cm Maximum graphics card length 39.5 cm Maximum CPU cooler height 16 cm Reset button Yes Cable management Yes Anti-dust filter Yes Illumination colour Multi Illumination Yes Side window Yes Number of expansion slots 7 Number of 2.5" bays 2 Number of 3.5" bays