D-LINK 100G5SW: 4-port Gigabit Ethernet switch, 1x SFP at reichelt elektronik
LGB304AE, Gigabit Ethernet Switch with EU Power Supply - 4-Port - Black Box
Gigabit 5-port 300 Series SOHO Unmanaged PoE+ Switch - GS305Pv3
4 Port Fiber Switch, 10/100 RJ45 to 1 Fiber Port, Multimode, 2km | Fibertronics, Inc.
NETGEAR 5-Port Gigabit Ethernet Unmanaged Switch (GS305) - Home Network Hub, Office Ethernet Splitter, Plug-and-Play, Fanless Metal Housing, Desktop or Wall Mount - NWCA Inc.
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
Sfp Fiber Media Converter Rj45 Gigabit | Gigabit Ethernet Fiber Media Converter - Fiber Optic Equipment - Aliexpress