This is an ideal chassis for small business, network server and professionals. Very well constructed with unique style, the X-ALIEN is a multi-task performer. This solid chassis features a 500W dual fan power supply, 2 x case fans, front USB2.0, Firewire and audio ports for all your gadgets and a security lock in front bezel and side panel to protect your privacy and documents. It handles all your everyday tasks easily. With 12 drive bays and 7 expansion slots, this case is very roomy and is designed to get you ready for all the new coming technologies. The internal drive bays and the removable 3.5" drive trays make installation quick and easy. You can rest assured that you will enjoy the X-Alien steel case many years to come.