4-Port Mini PCIe to RS-232 Serial Adapter Card (DB9) — Mini PCI-e RS232 Converter

Adds four RS-232 DB9 serial ports to a system via a Mini PCIe (Mini PCI-e) slot. This 4-port RS232 converter card set turns a Mini PCI-e interface into four DB9 serial connectors, providing reliable RS-232 (RS232) connectivity for legacy peripherals. Supplied as a converter card set for straightforward installation and expansion of serial I/O.