Skip to main content
  • In Stock
  • Sold by Newegg
  • Make an Offer
  • 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
StarTech Serial Parallel Combo Card with Dual Serial RS232 Ports (DB9) & 1x Parallel Port (DB25), PCI Adapter Expansion Card
Quick View
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
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
SYBA PCI-Express 2-Port DB9 RS232 Serial Card with Low Profile Bracket - RoHS Model SD-PEX15022
Quick View
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
  •  
  • $16.99 
  • Save: $14.00 (45%)
  • Free Shipping
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
Quick View
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
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
2-Port PCIe Serial Expansion Card with Industrial DB9 RS232 COM Ports, 16C550 UART WCH382 Chip for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, Low Bracket Included
Quick View
  •  
  • $55.99 
  • 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
CableMax 4 port Serial RS-232 and 1 LPT port I/O PCI-Express 1x Card
Quick View
CableMax 4 port Serial RS-232 and 1 LPT port I/O PCI-Express 1x Card
  • Type: PCI Express to Serial Port Card
  • External Ports: 4 x Serial Ports
  • Model #: CM-4S1PRS232
  •  
  • $21.99 
  • $3.99 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 08/23

  • Model #: IW-ADD-convert-84
  •  
  • $34.99 
  • Free Shipping
PCIe to 4-Port RS232 Serial Card ASIX AX99100, Industrial 4x DB9 COM Port Expansion, for Desktop & Industrial Control
Quick View
  •  
  • $21.98 
  • Free Shipping
PCIe to 2-Port Serial Card, 9-Pin RS232 Adapter Card, Parallel & COM Port Expansion Card, WCH382L
Quick View
  •  
  • $17.27 
  • Free Shipping
Tekit PCI-E serial card PCI-E 2S COM port RS-232 WCH382L chip
Quick View
Tekit PCI-E serial card PCI-E 2S COM port RS-232 WCH382L chip
  • Type: PCI Express Controller Card
  • Standard: PCI-E serial card PCI-E 2S COM port RS-232 WCH382L chip
  • Compatibility: PCI-E serial card PCI-E 2S COM port RS-232 WCH382L chip
  • Specifications: PCI-E serial card PCI-E 2S COM port RS-232 WCH382L chip
  • Model #: NTRAC100090W
  •  
  • $27.98 
  • 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
2 Port RS-232 RS232 DB9 Serial COM to PCI-E PCI Express Card Controller Adapter Converter w/ Full Profile Bracket,CH382L Chipset
Quick View
2 Port RS-232 RS232 DB9 Serial COM to PCI-E PCI Express Card Controller Adapter Converter w/ Full Profile Bracket,CH382L Chipset

Limited time offer, ends 08/31

  • Type: PCI Express to Serial Port Card
  • External USB Ports: 2 Port
  • Model #: 11-001-374
  •  
  • $16.19 
  • Free Shipping
Direct from EN-Labs Direct from EN-Labs
Syba 8 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SI-ADA15071
Quick View
Syba 8 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SI-ADA15071
  • Type: Controller Card
  • External Ports: 8 x Serial Ports
  • Operating Systems Supported: Windows 10 or Higher Ubuntu 19.04 or Higher
  • Package Contents: 8 Port Serial DB9 M.2 B+M Key Module Driver CD x1 Manual x1
  • Model #: SI-ADA15071
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
  •  
  • $32.07 
  • Free Shipping
PCI-E 1 Parallel port 1 Serial card pcie to COM9 pin RS232 industrial control serial port expansion card AX99100 chip
Quick View
  •  
  • $25.51 
  • Free Shipping
MINI PCI-E-RS232 serial card 9-pin COM 2 port expansion card chip XR17V352 EXAR 352 Industrial Serial RS232 chip mini pcie db9
Quick View
  •  
  • $49.92 
  • Free Shipping
Vszerda PCIE To 8-Port RS232 Expansion Card PCI-E 8-Port DB9 Serial Card 8-Chipset PCI-Express Control Card COM Card
Quick View
  •  
  • $77.98 
  • Free Shipping
PS2 Serial Port Card Low-Profile Adapter Card for 400, 600, 800 G3, COM Serial Port 910324-001, 910110-002, 910110-001
Quick View
  •  
  • $69.99 
  • Free Shipping
Pcie AX99100 Chipset PCI Express 4 ports Serial PCI-e 1x Expansion Card Multi RS232 DB9 COM Port to PCIe I/O Riser Card
Quick View
  •  
  • $56.73 
  • Free Shipping
PCIe Serial and Parallel Port Card Desktop PCI-E 1 and 2 Serial Port Card Built-in 2S1P COM Serial Parallel Port Card
Quick View
  •  
  • $25.28 
  • Free Shipping
StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485
Quick View
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
1.2M USB 2.0 to RS485 RS-485 RS422 RS-422 DB9 COM Serial Port Device Converter Adapter Cable CH340+ZT485 Chipset
Quick View
  •  
  • $20.99 
  • Free Shipping
Direct from YEPLOOK Direct from YEPLOOK
PCI-E Serial Port Card PCIe to 4/2 Port RS232, Industrial 4/2 x 9-Pin COM Expansion Card, ASIX AX99100 Two wires
Quick View
  •  
  • $23.98 
  • Free Shipping
Weastlinks PCI To 2 Port SATA RAID Controller Card Sil3112 chipset SATA PCI Serial ATA Host Controller Card
Quick View
Weastlinks PCI To 2 Port SATA RAID Controller Card Sil3112 chipset SATA PCI Serial ATA Host Controller Card

Limited time offer, ends 09/15

  • Type: PCI Express to SATA Card
  • External USB Ports: 2 Port
  • Model #: WLSATAC023
PCI express 1 Serial and 1 parallel port Expression Card RS232 Printer port PCIe PCI-e riser Card
Quick View
  •  
  • $21.96 
  • 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