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UOTEK Industrial PCI to RS232 Opto-Isolated High-Speed Serial Card RS-232 8 Ports Computer Serial Expansion Converter Adapter HDR78 Female DB9 Female Connector with Electrostatic Protection UT-768I
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  • $252.79 –
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UOTEK PCI to RS232 Serial Card RS-232 8 Ports High Speed DR62 Expansion Converter Industrial Grade DR62 Female DB9 Connector UT-758 Adapter with ±15KV ESD Protection
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  • $94.99 –
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UOTEK Industrial Mini PCI-E to RS-232 Serial Card PCIE to RS232 4 Port High Speed Converter DB9 ESD Anti-lightning  RTS/CTS XON/XOFF UT-7784B Support Win2000/XP/Vista/Win7/NT4.0/CE 4.2/5.0/6.0/Vxworks
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  • $46.90 –
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UOTEK Industrial PCI-E to 8-port RS-232 Serial Card PCIE to RS232 High Speed DR62 Converter Com DB9 Connector 4U UT-788 Support 256byte FIFO Driver and Built-in Hardware and Software
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  • $116.36 –
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UOTEK Industrial PCIE to 4-Port RS485 RS422 Serial Card PCI-E to RS-485 RS-422 High Speed Converter Adapter DR44 Connector Optical Isolation 1.2Km Transmission Distance 4U UT-794I
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  • $108.79 –
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PCIE AX99100 4S DB9 RS232 Serial Port Card Controller Card PCI Express asix 99100 Chip 4 ports rs-232 to pci-e com Adapter cable
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  • $59.99 –
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DriverGenius 2-Port PCI Express PCIe RS232 Serial Host Controller Adapter Card - PCIe to Serial DB9 Compatiable with Windows & Linux
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  • $52.99 –
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PCIe to 4-Port RS232 Serial Card  PCI-E to 4 x COM Port Adapter, AX99100 Chipset, Industrial-Grade 4-Port Serial Expansion for PC / Embedded Systems
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  • $44.79 –
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  • $43.19 - $44.79
Syba 2 Port DB9 RS-422 / 485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)
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Syba 2 Port DB9 RS-422 / 485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)

Limited time offer, ends 10/17

  • Model #: C7FK-OYS-2026.7.28-737
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  • $97.99 –
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Syba 2 Port DB9 RS-422 / 485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)
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Syba 2 Port DB9 RS-422 / 485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)

Limited time offer, ends 10/17

  • Model #: C7FK-OYS-2026.7.28-550
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  • $97.99 –
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Syba SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset
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Syba SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset

Limited time offer, ends 10/17

  • Model #: C7FK-OYS-2026.7.28-55
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  • $97.99 –
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Syba SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset
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Syba SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset

Limited time offer, ends 10/17

  • Model #: C7FK-OYS-2026.7.28-746
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  • $97.99 –
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Syba 2 Port DB9 RS-422 / 485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)
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Syba 2 Port DB9 RS-422 / 485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)

Limited time offer, ends 10/17

  • Model #: C7FK-OYS-2026.7.28-46
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  • $97.99 –
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Syba SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset
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Syba SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset

Limited time offer, ends 10/17

  • Model #: C7FK-OYS-2026.7.28-556
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  • $97.99 –
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IO CREST 8 Port Serial DB9 RS-232 PCI Controller Card RDC C6238 Chipset SI-PCI15068
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IO CREST 8 Port Serial DB9 RS-232 PCI Controller Card RDC C6238 Chipset SI-PCI15068

Limited time offer, ends 10/17

  • Model #: C7FK-OYS-2026.7.28-553
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  • $75.99 –
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Digitus 2-Port Serial PCI Express Card, DS-30000-1
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  • $76.99 –
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LINDY 4 Port Serial RS-232, 16C650 128 Byte FIFO PCIe Card (51189)
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  • $149.99 –
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LINDY 2 Port Serial RS-422/485, 16C1050 PCI Card (51215)
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  • $218.99 –
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SUNIX 4-port RS-232 Universal PCI Serial Board Model SER5056A+L
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SUNIX 4-port RS-232 Universal PCI Serial Board Model SER5056A+L

Limited time offer, ends 10/10

  • Type: PCI to Serial Port Card
  • Specifications: Serial Communication -Interface; RS-232 -Controller: SUNIX SUN1999 (16C950 UART Compatible) -Bus: Universal PCI 64/32bit 3.3V/5V PCI Ver 3.0, 2.3, 2.2, 2.1 -No. of Port: 4-port -IRQ & IO: Assigned by System -FIFO: 128 byte (Hardware) -Signal: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI -Baud rate: 50 bps to 115.2 Kbps -Data bit: 5,6,7,8 -Stop bit: 1,1.5,2 -Parity: None, Even, Odd, Space, Mark -Flow Control: None, Xon/Xoff, RTS/CTS -Protection: +/-2KV ESD protection for each signal Human Body Model (HBM) -PCB connector: DB44 Female Driver Support -Windows Client: XP/Vista/7/8/8.1 (X86/X64) -Windows Server: 2000 / 2003 / 2008 / 2008 R2 / 2012 / 2012 R2 (X86/X64) -Windows Embedded: Windows CE 4.2/5.0/6.0 XP Embedded / POSReady 2009 / POSReady 7 / Embedded System -Linux: Linux 2.4.x / 2.6.x / 3.x ...
  • Model #: SER5056A+L
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  • $222.96 –
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