Thermaltake Versa N21 Black Edition Translucent Window Panel SPCC ATX Mid Tower Computer Chassis CA-1D9-00M1WN-00 Translucent Panel and Concept: Designed for gamer, the glossy black front/top panels deliver stylish images. The heightened foot-stands at the bottom help enhance airflow, and a triangular transparent side window offers a direct view of the inner system. Tool-free Design: The innovative 5.25" & 3.5" tool-free drive bay design minimized the hassles of installation/removal. The trio drive bay concept of "1 + 4 + 1" offers a good ratio for accessories and storage devices. Hidden I/O Ports: The top-front panel features one USB 3.0 data transfer port along with two standard USB 2.0 ports as well as HD microphone and headset jacks to grant direct access when needed. Optimized Ventilation: A pre-installed 120mm rear exhaust fan and 2 optional 120mm intake fans with an integrated dust filter optimize system ventilation. More: Pre-mounted holes support motherboards up to standard ATX; Motherboards:6.7 x 6.7 (Mini ITX), 9.6 x 9.6 (Micro ATX), 12 x 9.6 (ATX); CPU Cooler Height Limitation:6.29" ; VGA Length Limitation:9.84"(with HDD cage) and 14.17"(without HDD cage) ; PSU length limitation:7.87" Warranty: 3 Years.