Amazon.com: Cable Matters USB to 4-Port Gigabit Ethernet Switch for Network Sharing with TV, Laptop, Gaming Console (USB Ethernet Splitter, USB Network Switch, USB to Ethernet Adapter, USB Gigabit Switch) : Electronics
4 Port Hardened PoE Switch W/ 1Gb SFP & 1Gb Uplink - TechVision USA
Industrial Gigabit 4 Port PoE Switch + 2 Uplinks Unmanaged Din Rail POE+ Switch | eBay
Linksys SE3005 5-Port Gigabit Ethernet Switch | Linksys: US