Cheapest 10gb 1 Port PCI Express network cards (NIC) RJ45 inc. Low

ThinkSystem Broadcom 57416 10GBASE-T Ethernet Adapters Product Guide > Lenovo Press

Stable Controller：This 10G network adapter equipped with original Intel X540 controller chip, support intelligent offloads to make the server more

XZSNET 10G Network Card with Intel X540 Chip, 10GB PCI-E NIC Compare to Intel X540-T2, Dual RJ45 Port PCI Express X8 Ethernet Adapter Support

Upgrade your server or workstation to 10G networking over copper, by adding a 10GBase-T / NBASE-T RJ45 port. Here's a powerful and cost-effective solution for upgrading your server or workstation to 10 Gigabit Ethernet networking over copper. This PCI Express 10G NIC lets you add an Ethernet port to your server or desktop computer and access your network at multiple speeds: 10G, 5G, 2.5G 1G and 100Mbps.

StarTech.com 1-Port 10g Ethernet Network Card

StarTech ST10GSPEXNDP Dual Port 10G PCIe

Buy refurbished network cards for servers

Networking Cards Nic

TP-LINK Gigabit PCI Express Network Adapter - Micro Center

This 4-speed NBASE-T™ PCIe network card offers an inexpensive network upgrade solution, providing access to your network at multiple speeds up to 5G,

5G PCIe Network Adapter Card - NBASE-T & 5GBASE-T 2.5BASE-T PCI Express Network Interface Adapter - 5GbE/2.5GbE/1GbE Multi Gigabit Ethernet

PCIe x8 2-port RJ45 10GBASE-T Ethernet Network Card with Intel X540 Chip

Product StarTech.com 1 Port 2.5Gbps PoE Network Card, PCIe Ethernet Card w/RJ45 Port, 30W 802.3at PoE NIC for Desktops/Servers, Network PoE LAN Adapter w/Low-Profile Bracket Included - NBASE-T, Windows/Linux Support (ST1000PEXPSE)

Network Adapter Card (ST10GSPEXNDP) - Network adapter - PCIe 2.0 x8 - 10Gb Ethernet x 2 - black

StarTech.com Dual Port 10G PCIe Network Adapter Card, Tehuti TN4010 10GBASE-T & NBASE-T PCI Express Network Interface Adapter 10/5/2.5/1GbE Multi