Brand new. Customer went with Unifi. The TP-Link T1600G-52PS Jetstream 48-Port Gigabit Smart PoE+ Switch with 4 SFP is a fully managed Ethernet switch designed for enterprise networking. With a maximum LAN data rate of 1000 Mbps/1 Gbps and Gigabit Ethernet technology, this switch provides fast and reliable network connectivity. The rack-mountable unit offers 48 ports for wired-Ethernet connections and 4 SFP interfaces for added flexibility. TP-LINK's JetStream product line ensures high performance and network management capabilities for professional use.