VD6000BNS Simple and elegant Piano mirror coating Dual USB 2.0, IEEE 1394 Firewire, HD Audio ports Tool-free installation for all drive bays & add-on cards High efficiency ventilation: 12cm silent fan in rear (front 12cm fan is optional) Side air duct for superior thermal efficiency Piano-Mirror coating Streamline appearance Simple and elegant Angle view A Angle view B Angle view C Retractable side air duct CPU & VGA cards venting hole Side air duct for increased CPU cooling **Intel TAC1.1 passed (Ta?38 o C) 12cm fans in the front and back (fan in the front is optional)   Screw-less kits for 5.25” drive bays Screw-less kits for 3.5” drive bays Screw-less kits for HDD drive bays Screw-less kits for add-on cards Reliable EMI Shielding Easy access front I/O (USB 2.0 x 2, Firewire,HD Audio ports) Side panel lock for security Thumb-Screw for easy side panel opening High quality rubber foot stand Easy access power button