Amazon.co.jp: PCI Express Dual PCI Adapter PCIe Card X1 to TRACTION Router 2 PCI Slot Paper holds 2.5Gbps : Computers
MikroTik CCR2004-1G-2XS-PCIe is a 2x SFP28 25GbE Router on a PCIe Card
RouterPi - A Compute Module 4 Router | Zak's Electronics Blog
MikroTik CCR2004-1G-2XS-PCIe is a 2x SFP28 25GbE Router on a PCIe Card
Archer TXE75E | AXE5400 Wi-Fi 6E Bluetooth 5.3 PCIe Adapter | TP-Link
A Router Inside the Server?
ASUS AX1800 PCIe WiFi Adapter (PCE-AX1800) - WiFi 6, Bluetooth 5.2, Ultra-Low La - Walmart.com
MikroTik Routers and Wireless - Products: CCR2004-1G-2XS-PCIe
Amazon.com: FebSmart Wireless-AC Dual Band 1200Mbps PCIE WiFi Card with WiFi Stereo Adapter for Windows XP, 7, 8.x, 10, 11 (32/64bit) and Windows Server Desktop PCs for Gaming and Video Sreaming (FS-AC85SE) :
Wifi Network Card High Gain Extended Antennas with Cable PCIE Adapter/Router/AP | eBay