Cisco Nexus 2348UPQ Fabric Extender - Rack-mountable

ATTO FFRM-N322-DA0 25Gigabit Ethernet Card - PCI Express 3.0 x8 - Optical Fiber - 25GBase-X - Plug-in Card

StarTech.com PCIe Card with Serial and Parallel Port, PCI Express Combo Expansion Adapter Card, 1xDB25 Parallel Port, 1x RS232 Serial Port - PCIe Card with Serial and Parallel Port - 1x DB25 parallel 1x RS232 Serial combo card - Up to 2.5Mbps (DB25)/up to 921.6Kbps (DB9) - SPP/Byte/ECP mode - Asix A

StarTech.com PCI Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card - PCI Serial Parallel Combo Card adds 1x Parallel + 2x Serial RS232 ports - Up to 1.5Mbps Parallel LPT (DB25)/115.2Kbps Serial COM (DB9) - SPP/Byte/ECP/EPP modes - Asi

Manhattan PCI Express Card, 2x Serial DB9 ports, 2.5 Mbps, x1 x4 x8 x16 lane buses, Standard/Low Profile PCI, Three Year Warranty, Box - Low-profile Plug-in Card - PCI Express 1.1 x1 - PC - 2 x Number of Serial Ports External