Ecomaster Enermax Thorex Cases ECA3321B-BT-U2 (ECA3321B-BT(U2)) Suitable For Office Workstations And Gaming Pc. Large Mesh Front For Best Thermal Performance Supreme cooling performance with 6 fans support 2 x USB 2.0 and HD audio I/O Suitable for office workstations and gaming PC. Large mesh front for best thermal performance Supreme cooling performance with 6 fans support 2 x USB 2.0 and HD audio I/O Removable 2.5" HDD bracket allows long VGA card installation Supports up to 2 x 5.25" ODDs, 3 x 3.5" HDDs and 4 x 2.5" SSDs 16mm clearance behind M/B tray for easy cable routing Removable dust filter at bottom for easy cleaning Direct access bays: ideal and user-friendly structure