Skip to main content
  • In Stock
  • Sold by Newegg
  • New
Brands
Show More
Price
Show More
Type
Show More
External USB Ports
Show More
External 1394 Ports
Sold by
All Top Brands
Availability
Condition
Discount
Useful Links
Customer Ratings
avatar

Any questions? Our AI mode will help you find out quickly.

Sort By:
View:
StarTech.com PEX1S953LP 1 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
Quick View
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
SYBA PCI-Express 1-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15021
Quick View
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
  •  
  • $17.99 
  • Free Shipping
StarTech.com PEX2S953LP 2 Port RS232 Serial Adapter Card with 16950 UART - PCI Express Serial Port Card - 921.4Kbps - Windows & Linux Compatible
Quick View
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
PC|-E serial card, PCle to RS232 COM interface, industrial control 4-port expansion card, AX9910
Quick View
  •  
  • $60.88 
  • Free Shipping
RS232 Serial Port & DB25 Printer Parallel Port to PCI-E Card Adapter Converter
Quick View
RS232 Serial Port & DB25 Printer Parallel Port to PCI-E Card Adapter Converter

Limited time offer, ends 09/06

  • Model #: IW-ADD-convert-84
  •  
  • $34.99 
  • Free Shipping
PCI-E X1 to 8Port RS232 Serial Adapter Card VHDCI 68 to DB9 Port Extender for Desktop X4 X8 X16 Slot
Quick View
  •  
  • $102.99 
  • Free Shipping
StarTech PEX16S550LP PCI Express Serial Card - 16 Port Low-Profile Serial Card - High-Speed PCIe Serial Adapter - Serial Controller DB9 RS232
Quick View
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
  •  
  • $421.99 
  • Free Shipping
SYBA PCI to Serial 2-port host controller card Model SD-PCI-2S
Quick View
SYBA PCI to Serial 2-port host controller card Model SD-PCI-2S

Limited time offer, ends 09/19

  • Type: PCI to Serial Port Card
  • External Ports: 2x DB9 serial port connectors
  • Operating Systems Supported: Windows 98SE/ME/2000/XP/NT4.0, Linux & DOS Operating System
  • Weight: 0.4
  • Model #: SD-PCI-2S
Half-Size Mini PCIe to 2-Port RS232 DB9 Serial Card, Industrial COM Controller with EXAR XR17V352 Chip
Quick View
  •  
  • $41.39 
  • Free Shipping
PCIe x1 to 4-Port DB9 RS232 Serial COM Expansion Card, AX99100 ASIX Chipset Industrial I/O Adapter for Desktop PC
Quick View
  •  
  • $38.89 
  • Free Shipping
PCIe Combo Serial Parallel Expansion Card PCI Express to Printer LPT Port RS232 Com Port Adapter IEEE 1284 Controller Card WCH382 Chip for Desktop PC Windows 10 with Low Bracket
Quick View
  •  
  • $41.99 
  • Free Shipping
KALEA-INFORMATIQUE Mini PCIe 2 Port RS422 RS485 DB9 Serial Card with EXAR XR17V352 Chipset Supplied with Adapters for Wire to Wire Mount.
Quick View
  •  
  • $123.99 
  • 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
Quick View
  •  
  • $38.99 
  • Free Shipping
8 Port Serial PCIe Expansion Card Serial Card PCIE Converter Adapter for 17V358 Chip
Quick View
  •  
  • $118.99 
  • Free Shipping
PCI-E 1X to 2-Port RS232 DB9 Male Serial Expansion Card AX99100 Chip Supports RS232/RS485/RS422 with 12CM Bracket
Quick View
  •  
  • $38.99 
  • Free Shipping
Tekit Serial port card 8 RS232 multi user cards PCI 9 needle serial port serial card,PCI to RS232 converter card
Quick View
Tekit Serial port card 8 RS232 multi user cards PCI 9 needle serial port serial card,PCI to RS232 converter card
  • Type: PCI to LAN / Serial Port Card
  • Specifications: Serial port card 8 rs232 multi user cards pci 9 needle serial port serial card
  • Package Contents: 1 PACK
  • Model #: NTRCA100094W
  •  
  • $49.98 
  • $5.99 Shipping
PCI Serial Port Card PCI To 2 Ports RS232 COM Converter Card
Quick View
PCI Serial Port Card PCI To 2 Ports RS232 COM Converter Card

Limited time offer, ends 09/14

  • Type: Controller Card
  • Model #: CL-HD-Addon-116
PCI express 1 Serial and 1 parallel port Expression Card RS232 Printer port PCIe PCI-e riser Card
Quick View
  •  
  • $22.96 
  • Free Shipping
SYBA PCI-Express 2-Port DB9 Serial (RS-232) Card Model SI-PEX15055
Quick View
SYBA PCI-Express 2-Port DB9 Serial (RS-232) Card Model SI-PEX15055
  • Type: PCI Express to Serial Port Card
  • External Ports: PCI-Express
  • Internal Ports: 2 x DB9 Serial (RS-232)
  • Data Transfer Rate: up to 115200bps/port
  • Model #: SI-PEX15055
  •  
  • $53.79 
  • Free Shipping
SIIG CyberSerial Dual PCI to Serial Port Card Model JJ-P02012
Quick View
SIIG CyberSerial Dual PCI to Serial Port Card Model JJ-P02012
  • Type: PCI to Serial Port Card
  • External Ports: Two 9-pin RS232 serial ports
  • Data Transfer Rate: Up to 230 Kbps
  • Operating Systems Supported: Windows 95/98/98 SE/ME/NT4.0/2000/XP/Server 2003
  • Model #: JJ-P02012
  •  
  • $135.00 
StarTech.com PEX8S1050LP 8-Port PCI Express Serial Card - 16C1050 UART RS232 - PCIE Low Profile Bracket - DB9 Serial Card (PEX8S1050LP)
Quick View
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