Trendnet'S Metal Housing 4-Port Gigabit Switch With Sfp Slot, Model Teg-S51Sfp, Provides Performance, Proven Reliability, And Flexible Extension Of Your Gigabit Network. This Fanless Unmanaged Desktop Switch Offers A Total Switching Capacity Of 10 Gbps Combined With The Flexibility Of Fiber Networking. 802.1P Qos Maintains Your Voice And Video Priority Throughout The Network. Magnetic Mounting Kit For Easy And Flexible Setups.