Skip to main content
  • Sold by Newegg
  • Make an Offer
Brands
Show More
Price
Show More
Connector A
Connector B
Sold by
Useful Links
Show More
Customer Ratings
avatar

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

Sort By:
View:
SERIALGEAR USB to Serial 4-Port DB-9 RS-232 Adapter with FTDI Chipset
Quick View
SERIALGEAR USB to Serial 4-Port DB-9 RS-232 Adapter with FTDI Chipset
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: CS-42042
  •  
  • $112.49 
  • $5.99 Shipping
Coolgear 4 Port USB 2.0 to RS 232 Manual Switch FTDI Chipset - CG-4URS232M
Quick View
  •  
  • $18.29 
  • $3.99 Shipping
Direct from CoolGear Direct from CoolGear
Coolgear 4 Port USB 2.0 to RS 232 Auto Switch FTDI Chipset - CG-4URS232A
Quick View
  •  
  • $28.29 
  • $3.99 Shipping
Direct from CoolGear Direct from CoolGear
Gearmo 4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts - USA-FTDI4X-NUT
Quick View
Gearmo 4 Port Professional RS-232 USB 2.0 to Serial Adapter w/Nuts - USA-FTDI4X-NUT
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: 045079163324
  •  
  • $56.28 
  • $3.99 Shipping
Direct from GearMo Direct from GearMo
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
Quick View
  •  
  • $239.99 
  • Free Shipping
USB to 4-Port Independent RS-485/RS-232 Converter RS485 RS232 COM Serial Port Adapter Cable
Quick View
  •  
  • $239.99 
  • Free Shipping
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
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
Gearmo Industrial USB 4 Port Serial RS-232 adapter w/FTDI Chipset, COM Retention, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
Quick View
  •  
  • $92.03 
  • $5.99 Shipping
Direct from GearMo Direct from GearMo
Gearmo 4 Port RS232 to USB FTDI chip Adapter w/RX and TX Status LED
Quick View
  •  
  • $84.99 
  • $5.00 Shipping
Coolgear 4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply - CG-UHS4P485
Quick View
Coolgear 4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply - CG-UHS4P485
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: 045079161191
  •  
  • $165.29 
  • $5.99 Shipping
Direct from CoolGear Direct from CoolGear
StarTech ICUSB232C USB C to Serial Adapter - RS232 / DB9 Cable - Windows / Mac / Linux Compatible - Bus Powered - USB C Serial Converter
Quick View
StarTech ICUSB232C USB C to Serial Adapter - RS232 / DB9 Cable - Windows / Mac / Linux Compatible - Bus Powered - USB C Serial Converter
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Specifications: Humidity: 0~65% RH Operating Temperature: 0 to 60 degree C Storage Temperature: -20 to 80 degree C FIFO: 512 Bytes Flow Control: None, Xon/Xoff, RTS/CTS, DTR/DSR Max Baud Rate:921.6 Kbps MTBF:30,000 Hours OS Compatibility: Windows 7, 8.1, 10 Windows Server 2008 R2, 2012 R2, 2016 Mac OS X 10.11 and 10.12 Linux 2.6.x to 4.4.x LTS Versions only
  • Connector A: 1x USB Type-C male
  • Model #: ICUSB232C
UOTEK 4.92ft USB to RS232 RS485 RS422 Converter Serial Adapter USB2.0 Cable DB9 Connector WinXP/7/8/8.1/10 UT-8890
Quick View
UOTEK 4.92ft USB to RS232 RS485 RS422 Converter Serial Adapter USB2.0 Cable DB9 Connector WinXP/7/8/8.1/10 UT-8890
  • Type: converter
  • Cable Length: 1.5m
  • Connector A: USB-A MALE
  • Connector B: DB9 MALE
  • Model #: UT8890
  •  
  • $24.79 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK 4.92ft USB to RS485 RS422 Cable Converter USB-A Serial Adapter DB9 Connector Translucent Magnetic Ring UT-850N
Quick View
UOTEK 4.92ft USB to RS485 RS422 Cable Converter USB-A Serial Adapter DB9 Connector Translucent Magnetic Ring UT-850N
  • Type: Converter
  • Cable Length: 4.92ft
  • Connector A: USB-A male
  • Connector B: DB9 male
  • Model #: UT-850N
  •  
  • $13.08 
  • $8.04 Shipping
Direct from UOTEK Direct from UOTEK
USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -10 Feet
Quick View
  •  
  • $55.43 
  • Free Shipping
Gearmo 4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX
Quick View
Gearmo 4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: GM-FTDI4XC-LED
  •  
  • $61.78 
  • $3.99 Shipping
Direct from GearMo Direct from GearMo
DTECH DT-5119 0.5m USB To RS485/422 Industrial Converter Serial Line Communication Adapter
Quick View
  •  
  • $27.06 
  • Free Shipping
USB C to RS485/RS422 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac
Quick View
  •  
  • $55.43 
  • Free Shipping
USB to RS485/RS422 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac 6 Feet
Quick View
  •  
  • $47.51 
  • Free Shipping
USB C to RS485/RS422 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac 10FT
Quick View
  •  
  • $61.37 
  • Free Shipping
DTECH DT-5119 0.5m USB To RS485/422 Industrial Converter Serial Line Communication Adapter
Quick View
  •  
  • $30.08 
  • Free Shipping
  • $27.68 - $30.08
USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8MNot VGA
Quick View
  •  
  • $19.99 
  • Free Shipping
USB to RS232 Adapter with PL2303 Chipset USB 2.0 Male to RS232 Female DB9 Serial Converter Cable 1.5M Supports Windows 10 Mac OS
Quick View
  •  
  • $20.90 
  • Free Shipping
  • $18.50 - $20.90