Amazon.com: (Upgraded) 2.5GBase-T PCIe Network Adapter, 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support Windows Server/Windows, Standard and Low-Profile Brackets Included : Electronics
pcb design - Why is this 75 ohm resistor present in the Ethernet connector? (10/100Base-TX) - Electrical Engineering Stack Exchange
Amazon.com: (Upgraded) 2.5GBase-T PCIe Network Adapter, 2500/1000/100Mbps PCI Express Gigabit Ethernet Card RJ45 LAN Controller Support Windows Server/Windows, Standard and Low-Profile Brackets Included : Electronics
Industrial Relay Controller Board 32-Channel SPDT + UXP Expansion Port - NCD Store