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Add three USB 3.0 ports (5Gbps) and a GbE port to your MacBook, using this silver, Apple style hub with an extended-length cable
Add Gigabit Ethernet network connectivity to a Laptop or Desktop through a USB 3.0 port.
Add a 10/100Mbps Ethernet port to your laptop or desktop computer through USB
Add a Gigabit Ethernet port to your MacBook, Chromebook or laptop with USB Type-C
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Add dual Gigabit Ethernet ports to a client, server or workstation through a PCI Express slot
2-Port PCI Express 10GBase-T Ethernet Network Card - 10GbE Network Interface Card with Intel X540 Chip
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Use the USB Type-C port on your laptop to add a Gigabit Ethernet port and a USB 3.1 Gen 1 (type-A) port
Add advanced 802.11ac Wi-Fi connectivity to a computer or server through a PCI Express slot - with dual band 2.4/5 GHz frequencies and up to 433 Mbps
The HP FlexFabric 10Gb 2-port 556FLR-SFP+ Adapter is installed in the FlexibleLOM socket in the ProLiant Gen9 Rack/Tower servers. The adapter offers 10 GbE FlexibleLOM with RDMA and Tunnel Offload features.
Add 2 high-speed RS-232 serial ports to your PC through a PCI expansion slot
ETHERNET 1GB 2P 361T ADPTR
Add a 10/100/1000Mbps Ethernet port to any PC through a PCI slot
Add Gigabit Ethernet to a client, server or workstation through a PCI Express slot
Tripp Lite's U236-000-R USB 2.0 Ethernet Adapter allows your computer to instantly connect to a 10/100Mbps network through a USB port - no need to open up your computer case to add an internal Ethernet card.
Add four USB 3.0 (5Gbps) ports to your MacBook, using this silver, Apple style hub with an extended-length cable
StarTech.com 100Mbps Full/Low Profile Ethernet Multi Mode SC Fiber PCI NIC Card 2km - Network adapter - PCI-X low profile - 10/100 Ethernet x 2
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StarTech.com 1 Port Low Profile PCI 10/100 Mbps Ethernet Network Adapter Card - Network adapter - PCI low profile - 10/100 Ethernet
Intel I210-T1 - Network adapter - PCIe 2.0 low profile - Gigabit Ethernet x 1 - for ThinkStation P320; P410 30B3; P500; P700; P900
Add a 10 Gigabit Ethernet port (10 Gbps) to a client, server or workstation through a PCI Express slot