The Fractal Design Define Nano S Mini-Tower Mini-ITX Case in black is a sleek and compact computer case designed for mini-ITX motherboards. With two 3.5-inch drive bays, a headphone jack, and front ports for USB and audio, this case is perfect for building a small but powerful computer system. Made of plastic, steel, and acrylic, the Define Nano S offers a stylish and durable design that is ideal for those looking to create a high-performance computer setup in a small form factor.