Used Cisco WS-C3750X-24P-S *V04* 24-Port POE Switch w/ 10GbE SFP+Module, Dual PSUFully functional and perform just as well as new devices. They come with 3 Month Warranty Product information: WS C3750X 24P S V05 Cisco Catalyst WS C3750X 24 Ports Manageable Layer 3 Ethernet Switch Stackable 24 10 100 1000 Ethernet PoE+ ports, with C3KX NM 10G Catalyst 3K X 10G Two 10GbE SFP+ ports network module with four physical ports with two SFP+ and two regular SFP ports and dual 715W AC power supply 1 RU, IP Base feature set Technical