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2 Port RS232 RS-232 Serial Port COM DB9 to PCI Card Adapter Converter MCS 9865 Serial industry
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  • $29.99 
  • Free Shipping
New USB 2.0 to RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable Converter
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  • $35.99 
  • Free Shipping
2 PORTS RS-232 Serial Port COM DB25 Printer Parallel Port LPT to PCI-E PCI Express Card Adapter Converter WCH382 Chip DB9 DB25
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  • $32.55 
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New USB 2.0 to RS232 COM Port 9 Pin Serial DB25 DB9 Adapter Cable Converter
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  • $35.99 
  • Free Shipping
SuperHub USB to TTL RS232 RS485 Serial Module Expand USBHUB Multi-Channel Port Converter Adapter
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  • $39.26 
  • Free Shipping
Half-Size Mini PCIe to 2-Port RS232 DB9 Serial Card, Industrial COM Controller with EXAR XR17V352 Chip
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  • $41.39 
  • Free Shipping
PCI-E 1X 2-Port Serial Expansion Card AX99100 Chip, Dual DB9 Male COM Ports Support RS232 RS485 RS422 with 12CM Standard Bracket
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  • $38.99 
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PCI-E 1X to 2-Port RS232 DB9 Male Serial Expansion Card AX99100 Chip Supports RS232/RS485/RS422 with 12CM Bracket
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  • $38.99 
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DTECH Two-way Transparent RS422 RS485 Serial Port to TCP/IP Ethernet Device Converter Server
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  • $66.58 
  • Free Shipping
PCIe x1 to 4-Port DB9 RS232 Serial COM Expansion Card, AX99100 ASIX Chipset Industrial I/O Adapter for Desktop PC
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  • $38.89 
  • Free Shipping
SI-PEX50103 PCIe x1 Card 2 DB25 Parallel +1 DB9 Serial Port Low Profile Bracket Support SPP EPP ECP RS232 RS485 RS422 Centronics
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  • $40.29 
  • Free Shipping
VoltSync 10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 11 10 8 7 and Mac Linux
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  • $28.96 
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Passive RS232 to RS485 Serial Converter, Port-Powered Bidirectional Communication Adapter with Surge Protection
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  • $25.49 
  • Free Shipping
Passive RS232 to RS485 Serial Communication Converter, Port-Powered Adapter with Surge Protection
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  • $24.96 
  • Free Shipping
10 Pack DB9 RS232 Serial Gender Changer Adapter, 9Pin Male to Male & Female to Female Serial Port Coupler Connector
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  • $30.59 
  • Free Shipping
1-port USB to RS232 Serial Converter with ESD protection Converter Adapter Cable
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1-port USB to RS232 Serial Converter with ESD protection Converter Adapter Cable

Limited time offer, ends 08/30

  • Model #: C75J*OYJ*G1*0717-165
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  • $20.96 
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340 USB to RS232 Serial Port 9 Pin DB9 Cable COM Adapter Convertor
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  • $58.99 
  • Free Shipping
Industrial Grade PCI express 4 ports Serial card PCI-e Multi RS232 DB9 COM port adapter 5VDC 12DV power PCIe low profile bracket
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  • $88.97 
  • Free Shipping
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
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  • $272.99 
  • Free Shipping
RS232 Female serial Cable DB9 Female pair USB cable COM port USB TO RS232 Cable
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  • $14.10 
  • Free Shipping
RS232 Female serial Cable DB9 Female pair USB cable COM port mini USB TO RS232 Cable
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  • $15.10 
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Tekit Dual RS-232 RS232 DB9 9 Pin Serial Port to PCI I/O Controller Card Adapter with 16C550 UART
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Tekit Dual RS-232 RS232 DB9 9 Pin Serial Port to PCI I/O Controller Card Adapter with 16C550 UART
  • Compatibility: Dual RS232 DB9 9-Pin Serial Port to PCI I/O Controller Card Adapter with 16C550 UART
  • Specifications: Dual RS232 DB9 9-Pin Serial Port to PCI I/O Controller Card Adapter with 16C550 UART
  • Package Contents: Dual RS232 DB9 9-Pin Serial Port to PCI I/O Controller Card Adapter with 16C550 UART
  • Model #: NTRAC100088W
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  • $18.98 
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2.5-inch laptop hard disk box to USB read/write data cable Easy drive cable USB3.0 to SATA serial port SSD
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  • $14.10 
  • Free Shipping
Digi International AccelePort 4r 920 Universal PCI (3.3 V & 5 V) 4-port RS-232 Serial Cards Model 77000560
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Digi International AccelePort 4r 920 Universal PCI (3.3 V & 5 V) 4-port RS-232 Serial Cards Model 77000560
  • Type: PCI to Serial Port Card
  • Data Transfer Rate: Up to 921.60 Kbps
  • Compatibility: Operating Systems: Microsoft Windows .NET Server 2003 Microsoft Windows XP, 2000, NT Microsoft Windows 95/98/Me Solaris SPARC and Intel Novell NetWare HP-UX Linux OpenVMS OS/ 2 QNX SCO OpenServer SCO UnixWare Tru64
  • Dimensions: 6.88" x 0.50" x 4.20"
  • Model #: 77000560
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  • $269.00 
  • $15.00 Shipping