The DGS-1210-10/10P/20/28 features a fanless design that allows for quieter operation & helps to extend the device’s lifetime. While the DGS-1210-28P/52/52P feature a smart fan design that powers on after the switch reaches a certain temperature, saving energy & cutting costs without sacrificing performance. Fibre Uplinks The Fibre Uplinks integrate advanced management as well as security functions that provide performance & scalability making it suitable for business use. Energy Saving Incorporating D-Link Green technology, the DGS-1210 Series switches are capable of power-saving without sacrificing operational performance or functionality. Taking the approach to green IT one step further this series incorporates a special chipset with advanced silicon technology for efficient use of energy.