... Manufacturer Part NumberWS-C3750G-12S-SDevice TypeSwitch - 12 ports - L3 - managed - stackableEnclosure TypeRack-mountable - 1UPorts12 x Gigabit SFPPerformanceSwitching capacity : 32 Gbps ¦ ... negotiation, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, stackable, Spanning Tree Protocol (STP) ... New original Cisco WS-C3750G-12S-S Catalyst 3750 12 SFP + IPB Image