New Brand S500-48t4s 4 SFP 48 Port Network Gigabit Switch Communication Mode Full-Duplex & Half-Duplex · Transmission Rate 10/100/1000Mbps - China Hua Wei Switch and Switch price | Made-in-China.com
Managed Gbit 48 Ports Poe Switch with 4 SFP Optical Fiber Uplink Full Gigabit Switch Max 6kv Lightning Protection - China 48 Port Poe and Poe Switch 48 Port price | Made-in-China.com
TL-SG1016D, TP-Link 16-port, Gigabit Ethernet, Full-Duplex, Auto MDI/MDIX | EET
Amazon.com: Hardened Industrial Gigabit Compact Ethernet Switch 10-Port 10/100/1000BASE-T RJ45 with auto-MDI/MDI-X Function 10/100Mbps Half/Full Duplex and 1000Mbps Full Duplex 12~48VDC Wide Range Power Input : Electronics