Amazon.com: Mini Industrial 4 Port 10/100/1000Mbps Gigabit Ethernet Switch with SFP Din Rail/Wall-Mount 10/100/1000BASE-T RJ45 + 1 100/1000FX (SFP) Support 12-48V DC 10Gbps Switching Capacity : Electronics
WGS-804HP 8-Port 10/100/1000T Wall Mounted Gigabit Ethernet Switch with 4- Port PoE+ - Planet Technology USA
4-Port Gigabit Ethernet to USB3.1 Gen1 Adapter w/Mounting Kit
Amazon.com: Intellinet 4-Port Industrial Gigabit Ethernet Switch with 2 SFP Ports-IP40 Rated Metal Housing, DIN-Rail Mount, Terminal Block Powered–for Computer Desktop Internet Networking-3 Yr Mfg Warranty-508247 : Electronics
4 Port Gigabit Ethernet PCI-e PCIe x1 Network Adapter Card NIC Realtek Chipset | eBay
StarTech.com 4 Port Gigabit Power over Ethernet PCIe Network Card - PS – Natix
48-Port Managed Gigabit Ethernet Switch | Linksys | Linksys: US
Linksys SE3005 5-Port Gigabit Ethernet Switch | Linksys: US
Ultra Small Mini PC with 4 Gigabit LAN Ports - Stealth Model: LPC-140G4 | Stealth
StarTech.com 4 Port Gigabit Power over Ethernet PCIe Network Card - PSE / PoE PCI Express NIC - Add 4 Gigabit Power over Ethernet ports to a PCI Express-enabled computer - 4
24-Port Managed Gigabit Ethernet Switch | Linksys | Linksys: US
4 Port Gigabit Switch | Ethernet VLAN Switch Module
StarTech.com 4 Port PCIe Network Card - Standard Profile NIC - RJ45 Port - ST1000SPEX43 - Ethernet Adapters - CDW.com
Black Box LGB304A 4-Port Gigabit Unmanaged Switch LGB304A B&H
Amazon.com: 4-Port Gigabit Ethernet Fiber Switch, with Two SFP Slots (1000M), Without Transceiver : Electronics