Front fan : @ 1300 rpm (compatible with 80 mm fans). Box volume: 19.5 litres. Exceptional immersion. Impeccable build quality. Designed for demanding gamers. The Node 304 has a unique modular interior for exceptional configurability. The Node 304 can accommodate up to six hard drives. Unused mounting brackets can be removed to allow installation of longer graphics cards, additional airflow or more space for cable management. In addition, it has three hydraulically rotating fans, easy-to-clean air filters in all compartments and two USB 3.0 ports on the front. Packed with hybrid features, the Node 304 is ideal for use as a cool file server, a sleek and quiet home cinema PC or a powerful gaming system, showcasing minimalist, elegant Scandinavian design and maximum functionality.