Features ample room inside the chassis to support E-ATX/HPTX motherboard and high end graphics card of up to 433mm in length (without second layer front fan) / 404mm in length (with second layer front fan) * The back hole rubber grommets on motherboard tray helps organize and channel cable to create a clutter-free inner system and better, smoother air flow * Screw-less design for 5.25" devices & 3.5" HDDs enable easy installation * The bottom-mounted PSU design enables better PC stability and independent cooling. Dust filter keeps dirt out of the chassis * An HDD docking, two USB 3.0 ports (internal 20-pin connector to MB), four USB 2.0 ports, one headphone port and one microphone port permit easy connection to a range of peripherals * Allow to have second PSU for power hungry system * Motherboard Compatibility: ATX, E-ATX, XL-ATX, HPTX * Support Corsair H100 CPU cooler