Amazon.com: 10Gb PCI-E NIC Network Card for Intel X550-T2, 1GbE/2.5GbE/5GbE/10GbE Copper Dual RJ45 Port, with Intel ELX550AT2 Controller, 10G PCI Express LAN Adapter Support Windows Server/Linux/ESX : Electronics
34MF2 DELL 2X1GB LOM CARD FOR DELL EMC POWEREDGE R650 / R750 / R750XA - BCM5720 LAN ON MOTHERBOARD 1GB/S ( 2 ) TWO RJ45 PORTS ( RJ-45 )
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TP-Link 8 Port Gigabit Ethernet Switch 1GbE Plug and Play RJ45 Networking Hub Internet Splitter Auto MDI/MDIX TL-SG1008M - AliExpress
Amazon.com: StarTech.com USB C to Gigabit Ethernet Adapter - 1Gbps NIC USB 3.0/USB 3.1 Type C Network Adapter - 1GbE USB-C to RJ45/LAN Port Thunderbolt 3 Compatible Windows MacBook Pro Chromebook (US1GC30DB) :
GEL-2871 28-Port L2 Plus Managed Gigabit Switch, 24 x 1GbE RJ45, 4 x 1/2.5GbE SFP - LevelOne
SL-LAN-PCI-10/100/1000-ST
4 ports PCI-E RJ45 Server PCIe x1 Intel 82575 Chip 10/100 /1000Mbps Lan Server Quad-Port Gigabit Ethernet Network Card - Walmart.com
IBM 00E2865 PCIe2 (x8) 4-Port Ethernet 2x SR Slots 2x Ethernet Low Profile
Used Original I350T4 1GbE RJ-45 Quad Port Ethernet Server Adapter Card I350-T4 74-10521-01 UCSC-PCIE-IRJ45 Network Cards - AliExpress
IBM EN0W PCIe2 2-port 10/1GbE BaseT RJ45 Adapter 2CC4
What is a RJ-45 Port? Uses, Speed, & Stability (with pictures)