Great Expansion: Install up to 4 data storage devices w/the modular drive racks, a dual expansion slot VGA up to 255mm, a tower CPU cooler up to 140mm, together with a high wattage PSU up to180mm, and still offers a 80mm cable management space. Interchangeable Side Panels: Symmetrical panels allow users to build the system with personality. 2 magnetic and removable side filters and 1 removable PUS dust filter and 1 adjustable shockproof rubbers built with bottom panel. Outstanding Cooling Performance: Dual modular 2.5" / 3.5" Drive Bays. ATX PSU and DIY liquid cooling system Supported. Minimalist I/P Ports Design: 2x USB 3.0, 1x Headphone, 1x Mic Top Ports