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 - $55.85
- 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 - $289.21
- 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
Serial Adapter 4 port RS232 Serial DB9 COM to USB 2.0 Adapter Card Universal Serial Bus Industrial grade for POS system
- Model #: NVO3JRSW-289
- $33.00 –
- Free 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
Limited time offer, ends 07/11
- Model #: BER-HW1815
- $15.78 –
- Free Shipping

Quick View
4 Serial Port RS232/RS485/RS422 to Ethernet Converter
Limited time offer, ends 07/12
- Model #: LC6W1J25-1416
- $304.91 –
- 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
Industrial grade Port-powered serial interface converter from RS232 to RS485 with 600w Surging protection 232 to 485,485 to 232
Limited time offer, ends 07/12
- Model #: .jiudian-YC5KU-0860
- $16.68 –
- Free 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 #: 9SIC2ZPKM03829
- $11.78 –
- Free Shipping

Quick View
Ethernet Network Serial Port Converter RJ45 to RS232 RS485 RS422 Industrial Device Server Support TCP/RTU/UDP with Power Cable
Limited time offer, ends 07/14
- Model #: C7FW0627-135
- $47.95 –
- 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
StarTech.com ICUSB2322F USB to Serial Adapter - 2 Port - COM Port Retention - FTDI - USB to RS232 Adapter Cable - USB to Serial Converter
- Type: Data Transfer Cable
- Type: Others
- Color: Black
- Connector Number: 3
- Model #: ICUSB2322F

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 Serial Port & DB25 Printer Parallel Port to PCI-E Card Adapter Converter
Limited time offer, ends 07/12
- Model #: IW-ADD-convert-84
- $34.99 –
- Free Shipping

Quick View
FOR Serial Port to Ethernet Transparent Transmission Module ATK-UART2ETH Serial Server Network Port
Limited time offer, ends 07/13
- Model #: C5YJ-S527-1847
- $43.98 –
- Free Shipping

Quick View
FOR RS232 to RS485 serial port Data Interface Adapter Converter 1.2KM 3 Bit
Limited time offer, ends 07/12
- Model #: C43K-0420-4605
- $18.99 –
- Free Shipping

Quick View
FOR RS232 to RS485 serial port Data Interface Adapter Converter 1.2KM 3 Bit
Limited time offer, ends 07/12
- Model #: C43K-0420-4645
- $18.99 –
- Free Shipping

Quick View
FOR Serial Port to Ethernet Transparent Transmission Module ATK-UART2ETH Serial Server Network Port
Limited time offer, ends 07/13
- Model #: C5YJ-S527-1846
- $43.98 –
- 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
PCI Multiport Serial Card Serial port RS232 6 COM port 9-pin device PCI card industrial expansion 9865 chipset win10
Limited time offer, ends 07/12
- Model #: C5JS-Z0520-436
- $56.01 –
- Free Shipping

Quick View
Single Port Serial to Ethernet Converter RS485/RS232 to RJ45, Modbus TCP to RTU, MQTT Support, TCP/UDP Server/Client, Wide Power Input (6-36V), Industrial Serial Device Server
Limited time offer, ends 07/12
- Model #: C2AG-C0325-54
- $54.37 –
- More options from $54.37 - $58.03
- Free Shipping

Quick View
Industrial grade Port-powered serial interface converter from RS232 to RS485 with 600w Surging protection 232 to 485,485 to 232
- Model #: C43K-0420-3550
- $17.08 –
- More options from $17.08 - $18.99
- Free Shipping

Quick View
PCI Multiport Serial Card Serial port RS232 6 COM port 9-pin device PCI card industrial expansion Moschip 9865 chipset win10
Limited time offer, ends 07/12
- Model #: C2AG-0116-C45
- $42.00 –
- More options from $42.00 - $45.01
- 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
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
waveshare RS232/485 to WiFi and Ethernet Converter Serial Server, Modbus Gateway, MQTT Gateway,Serial Port to HTTPD Client, Allow Serial Port to WiFi, Serial Port to Ethernet, Ethernet to WiFi
Limited time offer, ends 07/14
- Model #: 910942776270
- $60.99 –
- More options from $60.99 - $64.08
- Free Shipping

Quick View
RJ45 to RS232 Cable, DB9 9-Pin Serial Port Female&Male to RJ45 Female Cat5/6 Ethernet LAN Console15CM/6Inch 2Pack
Limited time offer, ends 07/12
- Model #: C2AG-1216-C34
- $22.89 –
- More options from $22.65 - $24.89
- Free Shipping

Quick View
Waveshare RS485 Serial Port Server RS485 To RJ45 Ethernet TCP/IP To Serial Port Module Rail Type Serial Port Server
- Model #: n-tmd-6358
- $42.31 –
- More options from $42.31
- Free 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 #: 9SIC2ZPKM03833
- $16.78 –
- Free 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 #: 9SIC2ZPKM03837
- $16.78 –
- Free Shipping




