Enermax Ostrog GT ATX Mid Tower Computer Case with Acrylic See-Thru Side Panel ECA3280A-BL Black/Blue Meshed bezel with inherited gene of Ostrog and advanced ventilation. 32mm clearance for easy backside cable routing. Top I/O for easy connection of external devices Easy installation - Enermax patented Slide In ODD design (Patent no. M438105). Rails with anti-vibration rubber pads for 3.5 HDD installation. Removable HDD cage allows high-end VGA card installation Utmost expandability - 8 expansion slots to support triple graphic cards. Internal USB 3.0 support for the fastest data transfer Supreme cooling performance - Maximum support up to 12x fans. Support 23/20cm monster fan. Support 280/240mm liquid cooling radiator Transparent acrylic side panel shows individual inside view Bottom mounted PSU slot with rubber pads and removable dust filter