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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
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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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  • $46.99 
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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 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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  • $421.99 
  • Free Shipping
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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  • $17.99 
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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
USB to Serial Adapter Cable RS232 DB9 Male Port with FTDI FT232RL Chipset Supports Windows 11 10 8 7 and Mac Linux (1.5 Feet)
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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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  • $37.99 
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  • $34.99 - $37.99
StarTech.com PEX8S1050LP 8-Port PCI Express Serial Card - 16C1050 UART RS232 - PCIE Low Profile Bracket - DB9 Serial Card (PEX8S1050LP)
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StarTech.com PEX8S1050LP 8-Port PCI Express Serial Card - 16C1050 UART RS232 - PCIE Low Profile Bracket - DB9 Serial Card (PEX8S1050LP)
  • Type: PCI Express to Serial Port Card
  • External Ports: 8 x DB-9 (9 pin, D-Sub) Male
  • Internal Ports: 1 x PCI Express x1 Male
  • Operating Systems Supported: Windows CE 5.0, 98SE, 2000, XP, Vista, 7, 8, 8.1, 10 Windows Server 2003, 2008 R2, 2012, 2016, 2019 Linux 2.4.x to 4.11.x LTS Versions only
  • Model #: PEX8S1050LP
RS232 DB9 Female to RJ45 Female Adapter, COM Serial Port to LAN Ethernet Converter, Compatible with CAT5 CAT6 Network Cable
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  • $33.92 
  • Free Shipping
2-CH UART to Ethernet Converter Serial Port Transparent Transmission Module
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2-CH UART to Ethernet Converter Serial Port Transparent Transmission Module

Limited time offer, ends 09/12

  • Model #: C6T1819-XMCCD0649
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  • $51.48 
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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
RS232 Serial Port & DB25 Printer Parallel Port to PCI-E Card Adapter Converter
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RS232 Serial Port & DB25 Printer Parallel Port to PCI-E Card Adapter Converter

Limited time offer, ends 09/13

  • Model #: IW-ADD-convert-84
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  • $34.99 
  • Free Shipping
StarTech.com ICUSB2322F USB to Serial Adapter - 2 Port - COM Port Retention - FTDI - USB to RS232 Adapter Cable - USB to Serial Converter
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8-Port Serial to Ethernet Converter RS232 RS485 RS422 TCP/IP Device Server Modbus RTU to TCP Gateway
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  • $185.08 
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  • $183.48 - $185.08
StarTech ICUSB234854I USB to RS-232/422/485 Serial Adapter - 4 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
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StarTech ICUSB234854I USB to RS-232/422/485 Serial Adapter - 4 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
  • Type: 4-Port Industrial USB to RS-232/422/485 Serial Adapter
  • Color: Black
  • Changer Type: USB to RS-232/422/485 Serial
  • Specifications: Converts a single USB port into four RS232/RS422/RS485 serial ports over USB 2.0 with four modes: RS232, RS422, 4-wire and 2-wire RS485 15 kV ESD protection (Level 4) against noise emissions and electrical voltage surges DIN rail and wall mountable Rugged IP30 rated metal hub housing and screw-locking host connection, ideal for harsh industrial environments Data transfer baud rate up to 921.6Kbps COM port expansion with COM retention Powered by USB, and features plug-and-play installation
  • Model #: ICUSB234854I
DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet
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  • $28.08 
  • Free Shipping
DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet
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  •  
  • $27.08 
  • Free Shipping
OIKWAN USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -10 Feet
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  • $39.98 
  • Free Shipping
USB2.0 USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Converter Adapter Cable FTDI chipset 1.8M Magnetic Ring Led
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  • $31.86 
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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
PCI to 2 Ports RS232 Serial Port COM DB9 9Pin Serial Card Expansion Controller Adapter Chipset ASIX/AX9865 for Desktop Computer
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  • $16.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
USB2.0 USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Converter Adapter Cable FTDI chipset 1.8M Magnetic Ring Led
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  • $32.16 
  • Free Shipping