Your Browsing History
- In Stock
- Sold by Newegg
- Make an Offer
- New
Any questions? Our AI beta will help you find out quickly.
Try me now

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
- $50.99 –
- More options from $50.99 - $55.00
- Free Shipping

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
- $18.99 –
- Free Shipping

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
- $37.99 –
- More options from $35.00 - $44.14
- Free Shipping

Quick View
StarTech.com 2-Port Serial to Ethernet Adapter - IP Serial Device Server For Remote RS232 Devices - Wall/DIN Rail Mount - LAN To DB9 Converter I23-SERIAL-ETHERNET
- Brand: StarTech.com
- Type: Computer Accessories
- Model #: I23-SERIAL-ETHERNET
- $254.99 –
- More options from $254.99 - $270.03
- Free Shipping

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
- $64.99
- $46.99 –
- Save: $18.00 (27%)
- More options from $46.99 - $63.64
- $7.02 Shipping

Quick View
USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Convertor With Female Adapter Supports for Windows 8 No CD
- Model #: AAA-95
- $11.75 –
- Free Shipping

Quick View
USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux
- Model #: 967620146487
- $42.99 –
- Free Shipping

Quick View
2 Port RS-232 Serial to USB Adapter Cable, FTDI Chipset, 5ft Length, ESD Protection, Windows/macOS/Linux Compatible
- Brand: Gearmo
- Part Number: USA-FTDI2X
- Color: Black
- Dimensions: 4.191 in x 13.589 in x 18.1102 in
- Model #: 701949729599
- $65.99 –
- Free Shipping

Quick View
USB to RS232 6Pin 2.54mm Port Serial Adapter Cable Chip Pinout TX RX GND VCC CTS RTS Fit for Windows OS Linux
- Model #: PEGLB0DYNTRKPJ
- $68.09 –
- More options from $68.09 - $69.99
- Free Shipping

Quick View
Ethernet Network Serial Port Converter RJ45 to RS232 RS485 RS422 Industrial Device Server Support TCP/RTU/UDP with Power Cable
- Model #: C7FW0627-135
- $48.95 –
- Free Shipping

Quick View
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)
- Brand: METRA
- Color: Blue
- Length: < 1"
- Connector Number: 9
- Model #: 404367735399
- $31.99 –
- Free Shipping

Quick View
USB 2.0 RS 232 RS232 Converter Adapter Cable 4 Pin Serial Port Chip TX RX GND VCC 5V Module Support Win10/8/Vista/Android
- Model #: DEEUB0CS6F57HH
- $120.99 –
- Free Shipping

Quick View
RS232 Serial Port & DB25 Printer Parallel Port to PCI-E Card Adapter Converter
- Model #: IW-ADD-convert-84
- $35.99 –
- Free Shipping

Quick View
USB 2.0 RS 232 RS232 Converter Adapter Cable 4 Pin Serial Port Chip TX RX GND VCC 5V Module Support Win10/8/Vista/Android
- Model #: CLAWB0CS69NTR5
- $124.19 –
- More options from $124.19
- Free Shipping

Quick View
Vszerda FOR Serial Port to Ethernet Transparent Transmission Module ATK-UART2ETH Serial Server Network Port
Limited time offer, ends 07/20
- Model #: H4F8R9S
- $41.99 –
- Free Shipping

Quick View
StarTech.com 2 Port PCI RS422/485 Serial Adapter Card with 161050 UART Model PCI2S4851050
- Type: PCI to Serial Port Card
- External Ports: 2 x Serial Ports
- Operating Systems Supported: Windows 7 (32/64bit)/ Vista(32/64)/ XP(32/64) Windows Server 2008 R2/ 2003(32/64)/ 2000 Linux 2.4.x/ 2.6.x
- Specifications: Bus Type: PCI / PCI-X (5 / 3.3V) Card Type: Standard Profile (LP bracket incl.) Chipset ID: SystemBase -SB16C1052PCI Connector Type(s): PCI / PCI-X (Universal 3.3 & 5V 32-bit) Male Data Bits: 5, 6, 7, 8 External Ports: DB-9 (9 pin ; D-Sub) Male FIFO: 256 Bytes Flow Control: Xon, Xoff, RTS#, CTS# Humidity: 5~85% RH Included in Package: 2 port PCI RS422/485 card Driver CD Low profile (half-height) brackets User Manual Industry Standards: PCI Local Bus Specification 2.3 PCI Power Management 1.1 Interface: Serial Max Baud Rate: 128 Kbps Operating Temperature: -10°C to 80°C (14°F to 176°F) OS Compatibility: Windows® 8 / 8.1 (32/64b...
- Model #: PCI2S4851050

Quick View
USB Type C to RS232 DB9 Serial Port Adapter Cable, FTDI Chipset, Supports Windows 11, 10, 8, 7 and Mac Linux
- Brand: OIKWAN
- Type: USB
- Color: Black
- Connector Detail: Usb 2.0 Type C to Db9
- Model #: 711428288486
- $27.97 –
- Free Shipping

Quick View
4 Independent Serial Ports, PCI - E X1 4S DB9 RS232 Serial Port Native Industrial COM1 Serial Port Expansion Card
- Model #: WXXDO-912
- $41.62 –
- Free Shipping

Quick View
16 Port Rack Mountable RS-232 USB-to-Serial Adapter with Built in Power Supply
- Model #: CLAWB00F52WUS8
- $737.99 –
- Free Shipping

Quick View
USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux
Limited time offer, ends 07/19
- Model #: B01GA0IZBO-YIXIN
- $35.99 –
- More options from $35.99 - $38.61
- Free Shipping

Quick View
2 PORTS RS-232 Serial Port COM DB25 Printer Parallel Port LPT to PCI-E PCI Express Card Adapter Converter WCH382 Chip DB9 DB25
Limited time offer, ends 07/04
- Model #: YQC-T3527
- $33.55 –
- More options from $32.55 - $36.06
- Free Shipping

Quick View
Mini PCI-E to Dual RJ45 Gigabit + COM Serial Port Combo Card, 2-Port 10/100/1000Mbps LAN RS232 Adapter for Industrial PC & Embedded Motherboard
- Model #: B3EN-S2994
- $32.49 –
- Free Shipping

Quick View
RS232 DB9 Female to RJ45 Female Adapter, COM Serial Port to LAN Ethernet Converter, Compatible with CAT5 CAT6 Network Cable
Limited time offer, ends 07/09
- Model #: C472-L5651
- $33.45 –
- Free Shipping

Quick View
PCI Multiport Serial Card Serial port RS232 6 COM port 9-pin device PCI card industrial expansion 9865 chipset win10
- Model #: YQC-T3949
- $57.02 –
- More options from $57.02 - $58.52
- Free Shipping

Quick View
5 Pack Serial Port 9 Pin Null Modem Adapter DB9 FemaleFemale RS232
- Model #: JrSDq-B01BZ31HHK
- $24.88 –
- More options from $24.88 - $26.99
- Free Shipping

Quick View
USB 4-Port Serial Adapter/USB 2.0 Quad Port Serial DB-9 RS-232
- Model #: CLAWB004ET8ZAA
- $225.99 –
- Free Shipping

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
- $422.99 –
- Free Shipping

Quick View
USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux
- Model #: VFR-2034
- $37.59 –
- Free Shipping

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
- $59.99
- $55.19 –
- Save: $4.80 (8%)
- More options from $55.19 - $81.47
- Free Shipping

Quick View
USB to RS232 Serial Port Adapter Connector 9-Pin DB9 Serial COM Port Adapter Converter Cable
- Model #: CCOOC-0040511
- $14.99 –
- More options from $14.77
- Free Shipping

Quick View
Vszerda DB9 RS232 Serial Port Cable Down Right Angle Male to Female 9 Pin Gold Plated RS232 COM Port Connection Cable (0.5 Meter)
Limited time offer, ends 07/31
- Brand: GXMRHWY
- Type: Serial Cable
- Color: Black
- Length: 1
- Model #: e6f39632
- $22.99 –
- Free Shipping




