IO Crest⏳Serial Port CardsIOCrest SI-MPE15046 2 Port RS-232 DB9 Legacy Serial Mini PCI-e Controller Card Exar V352 Chipset - Green$83.99View
IO Crest✓Serial Port Cards2 Port RS-232 RS-485 DB9 Serial PCI-Express 2.0 x1 Card Panel Mountable Field Terminator Adapters XR17V358 Chipset$229.99View
NANOCABLE⏳Serial Port CardsNanocable 10.19.1201 - Power Cable for Graphics Card 2xMOLEX to PCI-E, 20 cm$48.99View
StarTech⏳Serial Port CardsStarTech.com 2S1P PCI Express Serial Parallel Combo Card with Breakout Cable - PCIe Serial Parallel Card (PEX2S1P553B)$106.99View
EXSYS✓Serial Port CardsEXSYS EX-41388 8S Serial RS232 PCI Card with Octopus Cable and Low Profile Bracket$784.99View
StarTech⏳Serial Port CardsStarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART - Low Profile Serial Card (PEX4S553)$271.99View
KALEA-INFORMATIQUE⏳Serial Port CardsKALEA-INFORMATIQUE RS232 serial controller card on PCI slot 8 COM DB9 outputs with SYSTEMBASE SBC16C1058PCI chipset - DOS LINUX WINDOWS$141.99View
StarTech⏳Serial Port CardsStarTech.com 4 Port RS232 PCI Express Serial Card with Breakout Cable, PCIe Serial Adapter Card - Replaced by PEX4S953LP$213.99View
StarTech⏳Serial Port CardsStarTech.com RS232EXTC1EU Serial DB9 RS232 Extender Over Cat 5, Up to 3300 ft (1000 m)$289.99View
KALEA-INFORMATIQUE⏳Serial Port CardsKALEA-INFORMATIQUE USB to RS-422 RS-485 converter with FTDI FT232 Chipset. Wire to wire or DB9 plug mounting$53.99View
StarTech⏳Serial Port CardsStarTech.com Motherboard Serial Port - Internal - 1 Port - Bus Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter (ICUSB232INT1)$42.99View
StarTech⏳Serial Port CardsStarTech.com 2-Port Low Profile PCI Express RS232 Serial Adapter Card, PCIe to DB9, Windows/Linux, TAA - Replaced by PEX2S953LP$200.99View
Syba⏳Serial Port CardsSyba Dual Port Serial Industrial DB9 COM RS232 PCIe X1 Card for Desktop PC with Low Bracket Moschip MCS9922, SD-PEX15022$80.99View
StarTech⏳Serial Port CardsStarTech.com PLATE9MLP 9 Pin Serial Male to 10 Pin Motherboard Header LP Slot Plate, Serial Panel, DB-9 (M) to 10 Pin IDC (F), 9.1 Inch, Grey$13.99View