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StarTech.com 4 Port PCI RS232 Serial Adapter Card with 16550 UART - 4 x 9-pin DB-9 Male RS-232 Serial - PCI4S550N
StarTech.com 4 Port PCI RS232 Serial Adapter Card with 16550 UART - 4 x 9-pin DB-9 Male RS-232 Serial - PCI4S550N
Buy New $70.99  $44.48
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SIIG DP 4-Port RS422/485 PCI Adapter Card - PCI - 4 x DB-9 Male RS-232 Serial - Plug-in Card - ID-P40311-S1
SIIG DP 4-Port RS422/485 PCI Adapter Card - PCI - 4 x DB-9 Male RS-232 Serial - Plug-in Card - ID-P40311-S1
Buy New $229.99  $124.99

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StarTech.com 4 Port PCI RS422 RS485 Serial Adapter Card - 4 x DB-9 Male RS-422/485 Serial Via Cable - Plug-in Card - PCI4S422DB9
StarTech.com 4 Port PCI RS422 RS485 Serial Adapter Card - 4 x DB-9 Male RS-422/485 Serial Via Cable - Plug-in Card - PCI4S422DB9
Buy New $76.99  $70.28

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StarTech.com 4 Port CardBus RS232 Serial Laptop PC Adapter Card - 16950 - CardBus - 4 x DB-9 Male RS-232 Serial Via Cable - Hot-pluggable ...
StarTech.com 4 Port CardBus RS232 Serial Laptop PC Adapter Card - 16950 - CardBus - 4 x DB-9 Male RS-232 Serial Via Cable - Hot-pluggable ...
Buy New $155.99  $109.94

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StarTech.com 4 Port Native ExpressCard RS232 Serial Adapter Card with 16C950 UART - ExpressCard/34 - 4 x DB-9 Male RS-232 Serial Via Cable - ...
StarTech.com 4 Port Native ExpressCard RS232 Serial Adapter Card with 16C950 UART - ExpressCard/34 - 4 x DB-9 Male RS-232 Serial Via Cable - ...
Buy New $123.99  $83.24

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SIIG DP 4-Port RS422/485 PCI Express Adapter Card - PCI - 4 x DB-9 Male RS-232 Serial - Plug-in Card - ID-P40411-S1
SIIG DP 4-Port RS422/485 PCI Express Adapter Card - PCI - 4 x DB-9 Male RS-232 Serial - Plug-in Card - ID-P40411-S1
Buy New $299.99  $169.49

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