2.5Gbps PCIe Network Card, Ethernet NIC - Network Adapter Cards
This 1-port serial device server is an effective serial-over-IP solution that lets you connect to, configure, and remotely manage an RS232 serial
1-Port Serial-to-IP Ethernet Device Server - RS232 - DIN Rail and Surface Mountable - Aluminum
StarTech.com 2-Port GbE SFP Network Card, PCIe 2.0 x1
This 2.5 GbE network interface card (NIC) features an Intel I225-V chipset with Intel vPro technology, to enhance performance and data integrity.
1-Port 2.5Gbps NBASE-T PCIe Network Card, Intel® I225-V, Single-Port Computer Network Card, Ethernet MultiGigabit NIC, PCI Express Server LAN Card
Mevo Start Ethernet Power Adapter 955-000010 B&H Photo Video
Poyiccot RJ45 Breakout, RJ45 Screw Terminal Adaptor
Install this 2-port 10GbE PCI Express (PCIe) Network Interface Card (NIC) into a server or computer to enable fast network speeds and enhanced network functionality by providing failover and redundancy protection to mission-critical servers/applications. This Card supports six speeds: 10/5/2.5/1Gbps and 100/10Mbps with auto-negotiation for instant compatibility with new and legacy hardware.
StarTech.com 2-Port 10Gbps PCIe Network Adapter Card
StarTech.com 1 Port PCI Express 10GBase-T/NBASE-T
StarTech.com ICUSB23216FD USB to Serial Hub - 16 Port - COM Port
1 Port Serial to Ethernet Converter - Serial Over IP Cat5/6