2x USB2.0 ports DB9 serial port RS232 HDD access/power/LAN status LEDs
I/O Interface Rear
4x GbE LAN ports (Intel RTL8111C Chipset) 4x LAN ports (Intel RTL8100C Chipset)2x USB 2.0 ports DB15 VGA port 12-24V DC power input ATX power on/off switch and reset button