TRENDnet 24-Port Ethernet Switch (24 x 10/100Mbps Auto-MDIX RJ-45 Ports) TE100-S24 (Black) 24 10/100Mbps NWay Auto MDI-II/MDI-X ports Integrate address Look-Up Engine, supports up to 8K absolute MAC address Wire-speed filtering/forwarding rates No cooling fan, for quite operation Back pressure flow control for half-duplex mode