Enermax ECA3280A-BR OSTROG GT Meshed bezel with inherited gene of Ostrog and advanced ventilation 32mm clearance for easy backside Easy installation &#45; Enermax patented Slide In ODD design &#40;Patent no M438105&#41; Rails with anti&#45;vibration Utmost expandability &#45; 8 expansion slots to Support triple graphic cards Internal USB 30 Support Supreme cooling Performance &#45; Maximum Support up to 12x fans Support 23&#47;20cm monster fan Support Transparent acrylic side panel shows individual inside view