Accommodates ATX/M-ATX Motherboards Powerful Cooling System - Supports up to 7 fan mounting positions,compatible with 360mm water cooling configurations,, providing excellent cooling performance and cool lighting effects. Large storage capacity: Built-in up to 4 hard disk drive bays (2 x 3.5-inch HDD and 2 x 2.55-inch SSD) Tool-Free Tempered Glass Side Panel: Show off your high-profile components and RGB lighting.