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
PCIe to 8-Port RS232 Serial Expansion Card, DB9 9-Pin COM Adapter with Low Profile Bracket, Industrial Serial Card Supports Windows Linux and SFF Chassis
- Model #: B3EN-S2268
- $57.59 –
- Free Shipping

Quick View
USB to TTL, USB to RS232, USB to RS485 Serial Port Adapter Expanding USB-HUB Multi-Port, Blue
- Model #: CLAWB0CS6JXGJC
- $146.99 –
- Free Shipping

Quick View
DTECH IOT5064 Multi-Interface Bluetooth Serial Adapter - USB/RS232/485 to Wireless Converter, 100m Range RS232 serial port BT adapter
- Model #: BZ59-1125-6
- $48.69 –
- 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 - 10v Feet
- Case Type: Protection Case
- Model #: D78Y240G-g11
- $33.99 –

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 #: CLAWB0FGVN2LJ2
- $132.19 –
- More options from $132.19
- Free Shipping

Quick View
8-Port RS-232 USB to Serial Adapter Data Control Box
- Model #: CLAWB00F4CIN0S
- $285.99 –
- 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
10 Pack DB9 RS232 Serial Gender Changer Adapter, 9Pin Male to Male & Female to Female Serial Port Coupler Connector
- Model #: C24W-X6668
- $33.79 –
- Free Shipping

Quick View
- $93.99 –
- Free Shipping

Quick View
DB9 RS232 Breakout Terminal Block Module with Housing, Solder-Free D-SUB Female Serial Port to Wiring Terminal Breakout Board Adapter
- Model #: C24W-X6762
- $17.38 –
- Free Shipping

Quick View
Vszerda FOR 2 Port RS232 RS-232 Serial Port COM to PCI-E PCI Express Card Adapter Converter AX99100 Chipset
Limited time offer, ends 08/18
- Model #: 48G9DR
- $30.49 –
- Free Shipping

Quick View
- $21.99 –
- Free Shipping

Quick View
StarTech.com ICUSB2324852 USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial
- Color: Black
- Changer Type: USB to DB9 (RS-232)
- Specifications: Color: Gray Humidity: 5% to 95% RH Interface/Bridge: USB 2.0 Number of Ports: 2 Operating Temperature: 0°C to 55°C (32°F to 131°F) Storage Temperature: -20°C to 85°C (-4°F to 185°F) Max Baud Rate: 921.6Kbps Data Bits: 7, 8 Stop Bits: 1 and 2 Parity: Odd, Even, Mark, Space, and None Flow Control: Xon/Xoff, Hardware, and None LED Indicators: 1 - Red - Power LED Bus Type: USB 2.0 Connector Types: 1 - DB9 Male Connector Types: 1 - Terminal Block Connector Types: 1 - USB B Female Power Adapter Included: Optional Output Voltage: 5 DC Output Current: 385mA Center Tip Polarity: Positive Plug Type: B OS Compatibility: Windows 98SE/ ME/ 2000/ XP(32/64bit)/ 2003(32/64bit)/ Vista(32/64bit)/ Server 2008(32/64bit)/ 7(32/64bit)/ Server 2008 R2, Mac 9.8/OS X, Linux 2.4.x and up; Wind...
- Model #: ICUSB2324852
- $116.20 –
- More options from $113.84 - $116.20

Quick View
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
- $285.46 –
- More options from $281.99 - $311.17

Quick View
DTech 10FT USB to RS232 DB9 Female Serial Cable, Authentic FTDI Chip USB2.0 to COM Port Adapter Compatible with Windows11/10/8/7, Mac & Linux
- Model #: B3EN-S2794
- $34.89 –
- Free Shipping

Quick View
10 Pack DB9 9Pin RS232 Serial Gender Changer Coupler, Male to Male & Female to Female DB9 Serial Port Adapter Connector
- Model #: C24W-X6671
- $34.09 –
- Free Shipping

Quick View
4 Pack DB9 Male to Male RS232 Serial Gender Changer, D-SUB 9Pin Serial Port Coupler Adapter for PLC, POS, Industrial Controllers & Testing Equipment
- Model #: C24W-X6649
- $23.09 –
- Free Shipping

Quick View
10 Feet USB 2.0 to RS232 DB9 Serial Port Adapter Cable with FTDI Chipset Supports Windows 11 10 8 7 and Mac Linux
- Model #: 799437242356
- $38.99 –
- Free Shipping

Quick View
10 Pack White DB9 Male RS232 Breakout Board with Housing, Solder-Free D-SUB 9Pin Serial Port to Terminal Block Wiring Adapter Module
- Model #: C24W-X6872
- $51.19 –
- Free Shipping

Quick View
4 Pack DB9 Female to Female RS232 Serial Coupler, D-SUB 9Pin Serial Port Gender Changer Extender Adapter for PLC, Scanner, POS & Industrial Serial Devices
- Model #: C24W-X6646
- $23.09 –
- Free Shipping

Quick View
USB to RS232 Female Serial Port Computer Cable, Cable Length: 1.5m
- Model #: B15803I3J=PC1443
- $11.42 –
- Free Shipping

Quick View
4 Pack DB9 Male to Male Gender Changer, D-SUB 9 Pin RS232 Serial Port Coupler Adapter for Industrial Serial Equipment
- Model #: C24W-X6620
- $17.28 –
- Free Shipping

Quick View
10 Pack White DB9 Male RS232 Breakout Board Solder-Free Terminal Block Adapter With Plastic Housing D-SUB Serial Port Wiring Module
- Model #: C24W-X8215
- $51.38 –
- Free Shipping

Quick View
4-Pack DB9 Female to Female Gender Changer, 9 Pin D-SUB RS232 Serial Port Coupler Adapter for Serial Communication Devices, PLC Controllers, POS Equipment
- Model #: C24W-X6565
- $17.78 –
- Free Shipping

Quick View
SerialGear 16 Port Rack Mountable RS-232 USB-to-Serial Adapter with Built in Power Supply
- Part Number: USBG-16COM-RM
- Color: Black
- Changer Type: USB to DB9 (RS-232)
- Model #: USBG-16COM-RM
- $429.99 –
- $7.99 Shipping

Quick View
(US Plug)(4 port)4 Port Active Serial RS232 Splitter 1 to 4 RS232 bi-direction Switcher Splitter 4 to 1 Support Bidirectional Transmission
- Model #: LJX-HDMI-A0593
- $111.29 –
- More options from $111.29 - $113.54
- Free Shipping

Quick View
USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)
- Brand: TRENDnet
- Series: AQ-17
- Part Number: AQ-17
- Type: Serial
- Model #: 980482730607
- $25.99 –
- Free Shipping

Quick View
USB to RS232 USB Serial Adapter with FTDI Chipset USB 2.0 to Male DB9 Serial Cable for Windows 11 10 8 7 Vista XP 2000 Linux and Mac OS(6ft)
Limited time offer, ends 07/21
- Model #: B0759HSLP1Adapter
- $26.28 –
- Free Shipping

Quick View
USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above
- Brand: BELKIN
- Series: FTDI-LED
- Part Number: FTDI-LED
- Changer Type: N/A
- Model #: 162702758156
- $64.99 –
- Free Shipping






