Roomy Chassis: 2U server case with 4 internal 3.5' HDD bays and 2 extra 2.5' device slots. Expandable Design: 4 PCI slots and Micro-ATX compatibility for flexible expansion options. Quiet Cooling: 2 pre-installed 80mm front PWM fans, with space for 1 additional fan. LED Indicators: Front panel LEDs for power, HDD, and LAN status for easy monitoring. Enhanced Utility: Includes 2 USB 3.0 ports for added connectivity and convenience.