Thermaltake Suppressor F-51 SPCC E-ATX Mid Tower Tt LCS Certified Gaming Silent Computer Chassis CA-1E1-00M1NN-00 Handy I/O Ports with Fan Speed Control: 2x USB 3.0, 2x USB 2.0, 1x Headphone, 1x Mic Top Ports; built in fan speed control that supports up to four fans at the same time on the top-front panel Modular Sound-damping Design: Built-in sound-damping panels incorporated the top, front, and side panels of the Suppressor F51 chassis to reinforce noise reduction for silent operation Tt LCS Certified: Thermaltake exclusive certification applied to only products that pass the design and hardcore enthusiasts standards that a true LCS chassis should be held to. Optimized Silent Operation: tested in a semi-anechoic chamber which includes anti-vibration, sound-proof, and sound-absorbing effect. Fully Modular Design: With removable "2 + 6" drive racks, gain more for custom cooling components to freely interchange SSD/HDD cage sections for maximum interior space. Dust Reduction: Ultra fine fan filters provide excellent protection to reduce dust from multiple locations Warranty: 3 Years