2 Port USB-C Alt-Mode Compact KVM Switch

4-Port USB-A PCIe Card USB 3.2 5Gbps

3 Port 2b 1a Low Profile 1394 PCI Express FireWire Card Adapter – PCI Express 1394a – PCIe FireWire 400 Card

4-Port PCI Express RS232 Serial Adapter Card – 16950 UART – 256-byte FIFO Cache – ASIX AX99100 – Full Profile Bracket – Replacement for PEX4S952 (PEX4S953)