Port: 1 x RJ45. 10MB / 100MB / 1000MB network adaptive. Note: The Card color maybe in black.
eBay
5G PCI-E To RJ45 Network Card RTL8126 Chip Gigabit Ethernet PCI Express Network Card 10/100/2500/5000Mbps 1Gbps/5Gbps for PC
Aliexpress UK
PCI Specification Revision: PCIe 1.1, PCIe 2.0, PCIe 3.0. Interfaces: 2 x 10Gb Ethernet - SFP+. Device Type: Network adapter. Form Factor: Plug-in card. In Good Condition, In Full Working Order. Height: 2.7 in.
eBay
5G PCI-E To RJ45 Network Card RTL8126 Chip Gigabit Ethernet PCI Express Network Card 10/100/2500/5000Mbps 1Gbps/5Gbps
Aliexpress UK
Connectors: SFP. Device Type: Network Adapter Card. Form Factor: Plug-In Card - Low Profile Half Height. In Full Working Order. In Good Condition. 2 year warranty.
eBay
2.5G PCI-E To RJ45 Network Card RTL8125B Chip Gigabit Ethernet PCI Express Network Card 10/100/2500Mbps 1Gbps/2.5Gbps For PC
Aliexpress UK
Trusted by enterprise IT professionals worldwide for their robust construction and dependable operation. Quad Port Network Interface Card. Key Features: Quad Port Gigabit Ethernet with Virtualization Support.
eBay
1000Mbps Gigabit Ethernet PCI Express PCI-E Network Card 10/100/1000M RJ-45 RJ45 LAN Adapter Converter Network Controller
Aliexpress UK
It also featuresBluetooth 5.1, allowing you to connect multiple devices with faster speeds and a longer range. ✅PCIe Interface for Easy Installation – Compatible withPCI-E 1X/4X/16X slots. Upgrade Your Desktop with High-Speed WiFi 6 & Bluetooth 5.1.
eBay
5Gbps PCIe To RJ45 Network Card RTL8126 Chip Gigabit Ethernet PCI Express Network Card For Desktop
Aliexpress UK
1 Year Bytestock Return to Base Warranty Item Specifications: Dell Part Number - 20NJD Model - Dell Mellanox ConnectX-4LX Device Type - Network Card Ports - 2 x 25GB SFP28 Max Transfer Rate - 25GB/s.
eBay
EDUP 9655 AX1800 WiFi6 Bluetooth 5.2 PCI-E Network Card Powerful Chipset Adapter with 2*6dBi Antennas for Windows 10 & Linux
Aliexpress UK
Regarding X540 network card: Win7 Win8 Win 10 11 requires driver installation. There may be an extraconnector on the network adapter under the tape. If you don't need that, you can cut it off with scissor.
eBay
2.5G PCI-E Network Card RJ45 100/1000Mbps 2.5Gbps Ethernet Wired LAN Controller Adapter with 2.5Gbps Chip for Win10/11
Aliexpress UK
Connector：PCIE, compatible with PCIE X1 X4 X8 X16. WiFi band: 2.4Ghz / 5Ghz / 6Ghz. Then install the driver and restart your pc and test it. Bluetooth Version: Bluetooth 5.2.
eBay
FENVI AXE3000 WiFi 6E AX210 Wireless 2.4G/5G/6GHz 5374Mbps WiFi6 802.11AX/AC PCI Express Network Card For Bluetooth 5.3 Adapter
Aliexpress UK