D-Link's DGS-1210 series features D-Link Green technology. Equipped with 24 10/100/1000 Mbps ports including 4 combo 10/100/1000BASE-T/SFP ports, the series integrates advanced management & security functions that provide performance & scalability. Management options for the switches include SNMP, Web Management, Smart Console Utility, & compact command lines. The series also supports ACL filtering & D-Link's Safeguard Engine. Furthermore, the DGS-1210 series uses auto voice VLAN, ensuring higher priority for voice traffic. The DGS-1210-24 comes with a fanless design in 19" metal cases. These fans are set to low speed by default & will automatically switch to high speed once the temperature threshold is reached.