TRENDnet 4-Port Gigabit Switch with SFP Slot, 10 Gbps Switching Capacity, Fanless, Metal Housing, Magnet Mount, Lifetime Protection, TEG-S51SFP 4 x Gigabit ports 1 x SFP slot 10 Gbps switching fabric Quality of Service traffic prioritization (802.1p QoS) Jumbo Frame support Fanless design Metal housing Magnet Mount Lifetime TRENDnet Manufacturers Warranty