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StarTech 2-Port PCIe to RS232 DB9 Serial Card 21050PCSERIALCARD
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SYBA PCI-Express 1-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15021
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SYBA PCI-Express 1-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15021
  • Type: PCI Express to Serial Port Card
  • External Ports: 1 x Serial Port
  • Operating Systems Supported: Windows 2000, XP 32/64-bit, Server 2003 32/64-bit, Vista 32/64-bit, Server 2008 32/64-bit
  • Weight: 1
  • Model #: SD-PEX15021
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  • $19.99 
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SYBA PCI-Express 2-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15022
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SYBA PCI-Express 2-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15022
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x Serial Ports
  • Operating Systems Supported: Supports Windows 2000, XP 32/64-bit, Server 2003 32/64-bit, Vista 32/64-bit, Server 2008 32/64-bit
  • Weight: 0.35
  • Model #: SD-PEX15022
  • $30.99
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  • $18.99 
  • Save: $12.00 (38%)
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StarTech.com ICUSB2321X USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable
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StarTech.com ICUSB2321X USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable
  • Type: USB to DB9 (RS-232)
  • Type: Cable Connectors
  • Color: Black
  • Connector Number: 2
  • Model #: ICUSB2321X
StarTech PEX16S550LP PCI Express Serial Card - 16 Port Low-Profile Serial Card - High-Speed PCIe Serial Adapter - Serial Controller DB9 RS232
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StarTech PEX16S550LP PCI Express Serial Card - 16 Port Low-Profile Serial Card - High-Speed PCIe Serial Adapter - Serial Controller DB9 RS232
  • Type: PCI Express
  • External Ports: 16 x DB-9 (9 pin, D-Sub) Male
  • Internal Ports: 1 x SP4 (4 pin, Small Drive Power) Male
  • Operating Systems Supported: Windows 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.6x to 4.2x LTS Versions only
  • Model #: PEX16S550LP
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  • $422.99 
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StarTech.com PEX1S953LP 1 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
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StarTech.com PEX1S953LP 1 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
  • Type: PCI Express to Serial Port Card
  • External Ports: 1 x DB-9 (9 pin, D-Sub) Male
  • Internal Ports: 1 x LP4 (4 pin; Large Drive Power) Male Input 1 x PCI Express x1 Male
  • Operating Systems Supported: Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
  • Model #: PEX1S953LP
StarTech.com PEX4S953LP 4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - 256-byte FIFO Cache - ASIX AX99100 - Low Profile Bracket - Replacement for PEX4S952LP (PEX4S953LP)
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StarTech.com PEX4S953LP 4-Port PCI Express RS232 Serial Adapter Card - 16950 UART - 256-byte FIFO Cache - ASIX AX99100 - Low Profile Bracket - Replacement for PEX4S952LP (PEX4S953LP)
  • Type: PCI Express to Serial Port Card
  • External Ports: 4 - DB-9 (9 pin, D-Sub) Male
  • Internal Ports: 1 - LP4 (4 pin; Large Drive Power) Male Input
  • Operating Systems Supported: Windows 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
  • Model #: PEX4S953LP
FOR Serial Port to Ethernet Transparent Transmission Module ATK-UART2ETH Serial Server Network Port
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  • $42.56 
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StarTech.com PEX1S1P950 PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card
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StarTech.com PEX1S1P950 PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card
  • Type: PCIe Card with Serial and Parallel Port
  • External Ports: DB-25 (25 pin, D-Sub) DB-9 (9 pin, D-Sub)
  • Standard: PCI Express x1
  • Model #: PEX1S1P950
COM Port Card Serial Port Card  RS-232/422/485 PCI-1612 REV: A1
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  • $139.39 
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USBGear 8-Port Terminal Block RS232/422/485 to USB Adapter - Industrial Serial Converter with 921.6Kbps Data for Automation, PLCs, Sensors, and Legacy Integration
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  • $360.49 
  • $5.99 Shipping
StarTech.com ICUSB2321F USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter
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StarTech.com ICUSB2321F USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter
  • Type: Data Transfer Cable
  • Type: Cable Connectors
  • Color: Black
  • Connector Number: 2
  • Model #: ICUSB2321F
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  • $43.99 
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FOR Serial Port to Ethernet Transparent Transmission Module ATK-UART2ETH Serial Server Network Port
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  • $42.46 
  • Free Shipping
RS232 RS-232 serial port DB25 printer parallel port LPT to PCI-E PCI card adapter converter WCH382L chip
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  • $32.39 
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SerialGear USB to Serial 4 Port DB-9 RS-232 Adapter with FTDI Chip
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  • $185.99 
  • $5.00 Shipping
PCI to 2 port Serial 1 port parallel Riser Card ADD ON CARD RS-232 RS232 with ASIX/AX9865 chip
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Direct from YEPLOOK Direct from YEPLOOK
  • $18.99 - $20.99
Ethernet Network Serial Port Converter RJ45 to RS232 RS485 RS422 Industrial Device Server Support TCP/RTU/UDP with Power Cable
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  • $49.16 
  • Free Shipping
  • $47.56 - $49.16
StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART Model PEX4S553
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StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART Model PEX4S553
  • Type: PCI Express to Serial Port Card
  • External Ports: 4 x Serial Ports
  • Operating Systems Supported: Windows XP(32/64bit)/ Vista(32/64bit)/ 7(32/64bit) Windows Server 2003(32/64 bit), 2008 R2 Linux
  • Dimensions: 0.75" x 4.72" x 5.12"
  • Model #: PEX4S553
Quantum USB to 8 Port RS232 Serial Adapter with FTDI Chip for Industrial Automation
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  • $356.99 
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SERIALGEAR USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
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SERIALGEAR USB 4-Port Serial Adapter / USB 2.0 Quad Port Serial DB-9 RS-232
  • Color: Black
  • Connector Number: 4
  • Specifications: Serial Modes: RS232
  • Model #: USBG-4X232P1
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  • $116.49 
  • $5.99 Shipping
UT-782 2-Port Industrial RS-232 PCI-E Multi-Serial Port Card 600W lightning surge 15KV ESD protection each line
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  • $112.26 
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StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485
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StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x RS232 2 x RS422 / RS485
  • Operating Systems Supported: Windows 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), 2000 Windows Server 2008 R2, 2003(32/64) Linux Kernel 2.6.x
  • Specifications: Data Bits: 5, 6, 7, 8 FIFO: 256 Bytes Flow Control: None, Xon/Xoff, RTS/CTS Max Baud Rate: 460.8 Kbps Parity: None, Odd, Even, Space, Mark Serial Protocol: RS-232/422/485 Stop Bits: 1, 1.5, 2 Supported Protocols: RS-232, RS-422, RS-485 2-wire / 4-wire
  • Model #: PEX4S232485
SYBA IO Crest 2-port RS232 Serial PCI-Express Card, DB9 Female Panel Mountable Field Terminator Adapters Model SI-PEX15043
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SYBA IO Crest 2-port RS232 Serial PCI-Express Card, DB9 Female Panel Mountable Field Terminator Adapters Model SI-PEX15043
  • Type: PCI Express to Serial Port Card
  • Operating Systems Supported: Windows 8 Windows 7 Vista XP Windows Server 2003, 2008, 2012 Linux 2.6.27, 2.6.31, 2.6.32, 3.x.x and newer
  • Dimensions: 2.25" x 7.00" x 12.00"
  • Weight: 0.75 lb.
  • Model #: SI-PEX15043
SerialGear 8-Port RS-232 USB to Serial Adapter Data Control Box
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  • $166.29 
  • $3.99 Shipping
StarTech.com PEX2S953LP 2 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
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StarTech.com PEX2S953LP 2 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
  • Type: PCI Express to Serial Port Card
  • External Ports: 2 x DB-9 (9 pin, D-Sub) Male
  • Internal Ports: 1 x LP4 (4 pin; Large Drive Power) Male Input 1 x PCI Express x1 Male
  • Operating Systems Supported: Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016 Linux 2.4.x to 2.6.x LTS Versions only
  • Model #: PEX2S953LP
StarTech Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card
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StarTech Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card
  • Type: Parallel Combo Card
  • Package Contents: 2S1P PCI Serial Parallel Combo Card with 16C550 UART 1 x Full-Profile Bracket 2 x Low-Profile Brackets (for Serial Ports) 1 x Low-Profile Bracket (for Parallel Port) 1 x Quick-Start Guide
  • Model #: PCI2S1P2
SerialGear 8 Port USB to Serial Adapter - RS-422 / RS-485 - Surface Mountable - Surge Protection
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SerialGear 8 Port USB to Serial Adapter - RS-422 / RS-485 - Surface Mountable - Surge Protection
  • Color: Black
  • Connector Number: 8
  • Specifications: Serial Modes: RS422, RS485
  • Model #: USB-8COMi-M
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  • $328.29 
  • $5.99 Shipping