STTC798974
2-Port PCI Express RS232 Serial Adapter Card - 16950 UART - 256-byte FIFO Cache
PEX2S9532-port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Host Controller Card, PCIe to Dual Serial DB9 COM Port Card, 16950 UART, Expansion Card, Windows, macOS, Linux - Full/Low-Profile (PEX2S953) - Serial adapter - PCI Express x1 - RS-232 x 2