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PCI to 8x Serial Port RS232 DB9 COM Expansion Card I/O Controller Riser Adapter Chipset Systembase 16C1058 with Output Cable
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  • $69.96 
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RS232 to RS485 Serial Network Ethernet Device Server Active Converter DB9 Female with Power Supply Cable for Industrial Use
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  • $27.99 
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PCI to 8x Serial Port RS232 DB9 COM Expansion Card I/O Controller Riser Adapter Chipset Systembase 16C1058 with Output Cable
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  • $70.99 
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Conceptronic 4 Port DB9-RS232 Serial PCIe Card
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  • $194.99 
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Ethernet RJ45 to RS232 DB9 Serial Port Device Server Converter Industrial Ethernet LAN Adapter Support TCP/RTU/UDP Modes
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  • $29.99 
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2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, PCIE RS232 Card, PCIE Serial DB9 Port Card (PCIE-SE2)
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  • $53.99 
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Syba 2 Port DB9 RS-422/485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)
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  • $99.99 
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8 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15071
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  • $108.99 
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IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15069
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IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15069

Limited time offer, ends 08/15

  • Model #: C7FK-OYS-2026.7.28-568
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  • $87.99 
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8 Serial Port DB9 RS232 PCIe Riser Card PCI-Express X1 Expansion Card Adapter High Speed 920KB with Heat Sink Chip ASIX AX9900
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  • $62.96 
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IO CREST 8 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15071
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  • $108.99 
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Syba 2 Port Serial DB9 RS232 PCI-e 1.0 x1 with Low Bracket SI-PEX15055
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  • $82.99 
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PCIe to 4 Ports DB9 RS232 COM Serial Port I/O PCI-E X1 Riser Card Expansion Adapter Chipset ASIX/AX9900 for Desktop PC Computer
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  • $20.96 
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1PCS PCI to RS-232 Serial Card 2 Ports RS232 to PCI Converter DB9 COM Adapter UT-7702
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  • $112.99 
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PCIe 1X to 8 Serial Port DB9 RS232 Expansion Card Adapter Chip ASIX AX9900 for PC, Touch Screen, Scanner, Printer, Modem, Reader
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  • $68.96 
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Tripp Lite 2-Port DB9 (RS-232) Serial PCI Card with 16550 UART, Full Profile (PCI-D9-02)
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  • $104.99 
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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 08/15

  • 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 08/15

  • Model #: C7FK-OYS-2026.7.28-550
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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 08/15

  • Model #: C7FK-OYS-2026.7.28-553
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  • $75.99 
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Vszerda Dual Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, PCIE 2X DB9 Card
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  • $31.99 
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BroadCom BCM4352 BCM94352HMB Half Mini PCIe PCI-express Wireless WIFI WLAN BT Bluetooth Card 802.11AC 867Mhz for 724935-001
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  • $47.21 
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2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SY-PEX15066
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  • $83.99 
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8 Port RS-232 DB9 Serial PCI-e 2.0 x1 Card XR17V358 Chipset 16C550 UART SI-PEX15041
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  • $118.99 
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