Thermaltake is a respected leader in computer thermal solutions technology. Thermaltake has increasingly enjoyed the adoption of its thermal strategies by OEM and ODM companies worldwide. Its engineers are masters of airflow analysis, material conductivity and efficiency design. Thermaltake's unwavering devotion to quality and customer satisfaction has earned its products the approval of computer enthusiasts everywhere.PRODUCT FEATURES:Super light 3.8 kg, solid constructed;Perfect for LAN party;All mesh design front panel for maximum ventilation;High efficiency ventilation: 12cm silent fan in front and rear;Tool-free installation for all drive bays and add-on card;Dual USB 2.0, IEEE 1394 FireWire, Audio and Speaker ports;Thumbscrews for easy opening side panel;EMI protection spring.