TP-LINK TL-SG1016D 16-Port Gigabit Switch Switch unmanaged 16 x 10/100/1000 - desktop | Dell USA
16 Port Fast Ethernet Unmanaged POE Switch / 非网管二层交换机 from China manufacturer - Zion Communication is a professional manufacturer of cables and accessories for signal and low voltage transmission.
16 Port PoE + Switch w/ 3 Gigabit Uplink, Quiet Fanless Output 250W Rack Mount | eBay