Our multi-functional X-Cruiser was designed based on Intel's recommended "Chassis Air Guide Design Guide" to achieve superior cooling. With the side panel air-duct providing cool air towards your processor, the X-Cruiser is aimed to provide the best performance for your system. It features a temperature gauge, fan-speed controller, and volume sensitivity controller to not only provide its functions, but to also enhance the appearance. It also includes USB2.0,firewire, and audio ports. Available in 6 color choices, and with an optional 420W power supply. The X-Cruiser is the most practical chassis for accommodating your personal style. At an affordable price the X-Cruiser is a great option to choose.