Roomy Chassis: 2U server case with 4 internal 3.5' HDD bays and 2 extra 2.5' device slots. Expandable Design: 7 PCI slots and E-ATX (12 x 13in) compatibility for flexible expansion. Quiet Cooling: 3 pre-installed 80mm PWM center fans for efficient, low-noise cooling. LED Indicators: Front panel LEDs for power, HDD, and LAN status for quick monitoring. Enhanced Utility: Includes 2 USB 3.0 ports for added connectivity and convenience.