Roomy Chassis: 3U server case with 6 internal 3.5' HDD bays for ample storage. Expandable Design: 4 PCI slots and ATX compatibility for flexible expansion options. Quiet Cooling: 2 pre-installed 80mm front cooling fans for efficient, low-noise airflow. 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.