- IPv6 technology
 - D-Link Green technology
 - Resilience/performance enhancement
 - Traffic control
 - Manageability
 
The DGS-3120 xStack Series switches are enhanced L2 access stackable switches designed to connect end-users in a secure SMB or enterprise network. These switches support physical stacking, multicast, and enhanced security, making them an ideal Gigabit access layer solution.