** Front Mesh Cover for High Cooling Performance The front mesh bay cover provides cool air into the system while dust filters prevent dust from entering. ** Supports up to 7 System Fans** Up to 7 system fans are installed to expel hot air effectively from the case. ** Zalmans Powerful HDD Cooling Solution** Interactive Cooling System: Hot air generated from HDD is expelled through both sides. Cooling Performance is maximized for HDD cooling, & the overall PC exhaust is increased. ** Top Air Vent Exhaust/ Tuning** For for user convenience, Top air vents expel exhaustive air from the top cooling fan. In addition, translucent acryl vents are effective for tuning. ** Side-Panel Acryl Tuning** Dynamic Side Acryl Tuning is provided for users to view the interior of gaming system. ** Supports 4 USB (Universal Serial Bus) 2.0** I/O module provides 4 USB (Universal Serial Bus) 2.0 ports for user convenience & expandability. ** Dust Filters for Front & Bottom of System & PSU** Dust filters in the front & bottom mesh covers prevent dust from entering the system & keep the internal components dust-free. ** Additional Card Holder Provided** When installing VGA Card & PCI Slot, the bracket can be used permanently. ** Supports Bottom PSU Installation & Aperture for Cable Management** Z11 Plus supports bottom PSU installation & provides an aperture for cable management to make better use of interior space. ** Black Interior Coating** The interior of chassis is coated black to provide a sense of unity & elegant design. ** Anti-Vibration Rubber Stand** Anti-Vibration Rubber prevents noise & also keeps the system safe from water or other liquid. ** Tool Free HDD Installation with Anti-Vibration Rubber** The server-type Tool-Free HDD Mount Trays allow easy HDD installation/removal & maintenance ** Spacious Interior for 290mm Card Installation** The interior has been designed to be spacious for easy installation & maintenance of various