16 Port 1U Rackmount USB KVM Switch Kit

2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART – PCIe RS232 – PCI-E Serial Card

8-Port PCI Express Serial Card – 16550 UART RS232 – PCIE Low Profile Bracket – DB9 Serial Card (PEX8S1050LP)

1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART