The ASK4 000B-U3 is designed for new and experienced system builders looking for versatility and reliability. Constructed with durable, galvanized steel, the ASK4000B-U3 is the perfect case meant to last for several builds without fail. It keeps your components cool with bottom and front side vents, 120 mm rear fan, 120 mm front fan mount and 120 mm side fan mount. Furthermore, the stylish black front panel is equipped with two USB 3.0 ports, Audio In/Out jacks and other essentials for your home or office needs.