StarTech.com Ethernet Network adapter card - PCI - EN, Fast EN, Gigabit EN - 10Base-T, 100Base-TX, 1000Base-T - Add a 10/100/1000Mbps Ethernet port to any PC through a PCI slot - pci
StarTech.com 5GbE USB A to Ethernet Adapter - NBASE-T NIC - USB 3.0 Type A 2.5 GbE /5 GbE Multi Speed Gigabit Network USB 3.1 to RJ45/LAN - USB A to Ethernet
Amazon.com: RJ45 Splitter Connectors Adapter 1 to 2 Ethernet Splitter Coupler Double Socket HUB Interface Contact Modular Plug Connect Network LAN Internet Cat5 Cat6 Cable 2 Pack (CAN'T RUN BOTH AT THE