Syba SI-PEX15037 PCI Express x1 2 Port Serial DB9 RS-232 Card Low Profile

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2 Port DB9 Serial and 1 Port DB25 Parallel PCI-e 1.0 x1 Card

DB9 Serial PCI-Express 2.0 x1 Card - SI-PEX15037

Syba SI-PEX15055 IO Crest 2 Port DB9 Serial RS-232 PCI-Express x1 Card

PCIe Serial Expansion Card 2 Port PCI Express 1.0 X 1 To Industrial DB9 COM EWXH

Syba SD-PEX15011 4 Port DB9 Serial RS-232 PCI-e 1.0 x1 Card