The Best serial usb converters of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best serial usb converters of 2025. Check our ranking below.
2,722 Reviews Scanned
Rank No. #1
SABRENT USB 2.0 to Serial (DB9 RS232) Adapter Cable, Prolific Chipset, Driver Support Required for Some Systems, Windows 11/10/8/7, macOS, Linux (CB-DB9P)
- USB to Serial Connectivity: Connect RS-232 serial devices such as modems, industrial equipment, and legacy hardware to a USB port using a standard DB9 interface
- Driver Support Required: While some systems may recognize the adapter automatically, others require manual driver installation for proper functionality
- Device Compatibility: Works with devices that support RS-232 serial communication; compatibility depends on the connected hardware and software configuration
- Adjustable Settings: COM ports and baud rates can be configured to match your device requirements for stable communication
- Multi-Platform Support: Compatible with Windows, macOS, and Linux; functionality may vary depending on driver support and system setup
Rank No. #2
OIKWAN USB to RS232 DB9 Serial Cable Male Converter Adapter with FTDI Chipset for Windows 11,10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X 10.6 (10ft)…
- !!Please NOTE: this is MALE RS232 to DB9 SERIAL CABLE ,Not VGA!!!It is 9 pin, NOT 15 pin!! Look carefully of the Pin is match with your device. Before ordering , please confirm the interface gender is waht you need. After receiving ,please read user manual /instruction at first and download the Driver at first from FT232 Official website or Cisco website . Customer service always online.
- Wide range of applications: USB to RS232 DB9 male serial adapter can work with your Windows (10 / 8.1 / 8 / 7 / Vista / XP), MAC or Linux system and other platforms. USB adapter is designed to connect to serial devices, such as serial modem with DB9, ISDN terminal adapter, digital camera, label writer, palm computer, barcode scanner, PDA, cash register, CNC, PLC controller, tax printer, POS, bar code scanner, label printer, etc
- High quality: the latest ftdi chip set ensures more reliable and faster operation. USB 2.0 to RS232 male DB9 console cable will support 1Mbps date transfer rate
- Most convenient: simple installation, plug and play, COM port creation, baud rate can be changed to the required settings. USB power supply - no external power supply required.
- Exquisite design: Gold Plated USB RS232 connector and PVC cable ensure high performance and extra durability. Powered by USB port, this USB to DB9 series RS232 adapter cable is designed to fit easily into your handbag.
SaleRank No. #3
TRENDnet USB to Serial 9-Pin Converter Cable, TU-S9, USB to RS232 Serial Adapter, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 64cm (25 in.) Cable Length, Plug & Play, White
- USB: The USB to serial adapter supports USB 1.1 and it is compatible with USB 2.0 and USB 3.0 ports.
- NDAA COMPLIANT: With our NDAA compliant USB to Serial 9-Pin Converter Cable, you can plan and install networking solutions that Government customers demand today (U.S. and Canada Only)
- MANUFACTURER PROTECTION: We stand by the quality of our products.The TU-S9 USB to Serial 9-Pin Converter Cable is backed and supported with 2 years of TRENDnet Manufacturer Protection.
- RELIABLE TECH SUPPORT: Our team of advisors, support and tech experts are English speaking, and available for all your needs during normal business hours. We take pride in being there for our customers.
- RS-232 SERIAL CONNECTOR: Connect RS-232 serial devices, such as modems or printers, using the widely supported USB standard found in most laptops and desktops today.
Rank No. #4
DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet
- USB to RS485/RS422 converter It easily lets you connect RS485 or RS422 device directly to your Laptop PC computer USB port (built with LED Troubleshooting Indicators)
- USB to RS485 cable adapter is Ideal for industrial environment -provides 600w surge protection and 15KV ESD isolated protection on signal pins to protect costly and often sensitive control equipment against electrical damage
- rs485 serial to usb converter is with high performance quality processor chip (FTDI-chipset FT232) and I/O auto conversion circuitry which makes RS 485 to USB convertor one of the most reliable dongle on the market
- 1.5 ft serial RS-422 RS-485 to USB adapter cable supports windows 11 10 8 7, Mac and more; plug-and-play, No power supply needed
- There are no IRQ and COM port conflicts, since the port do not require any additional IRQ, DMA, memory as resources on the system; RS485 for Half duplex and RS422 for Full duplex communication
SaleRank No. #5
EC Buying USB 2.0 to Serial DB-9 RS232 Adapter, Windows 7/8/10/11/32/64/XP/RS232 to USB Converter
- √USB to 9-pin serial cable Product features: easy installation, no external power supply, and physical drive required
- √Applicable scope: This product can easily realize the conversion between the USB interface of the computer and the universal serial port, providing a fast channel for the computer without a serial port, and using this product is equivalent to turning the traditional serial port device into a plug-and-play USB device.
- √ Supports various models of MCU, MCU STC download, LED screen control card, MODEM, and ISDN terminal adapter communication is suitable for computers or notebooks with USB ports.
- √Application platform: Support USB1.0/1.1 specification, compatible with USB2.0 specification, support full-speed transfer mode 12MBPS, support Win98, 98SE, Me, 2000, XP, Mac OS8.6, vista, win7-32, 64-bit.
- √Installation Instructions: 1. Run the driver CH340.EXE file to install 2. Connect the USB serial cable to the USB interface of the computer, and automatically install the driver 3. After the installation is successful, the COM port appears in the device manager
Rank No. #6
Gearmo 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
- [ USB to RS-232 Serial Adapter ] : 5ft Cable Length - Easily connect legacy DB-9 serial devices to modern USB-equipped computers. Uses include industrial, lab, and point-of-sale applications.
- [ Easy Testing ] : Built-in signal tester features full LED indicators with dual-color display for quick and easy testing of RS-232 host-to-device connections.
- [ Wide Compatibility ] : Built with an FTDI Chipset. Works seamlessly with Windows 7, 8, 10, 11, Linux, and macOS 10.X, making it a highly versatile solution across platforms.
- [ Why Gearmo? ] : Your trusted partner based in the USA, providing advanced engineering, highly reliable and superior built products to handle the most demanding industries for over 10 years.
- [ Engineering Support ] : Need specs? Contact us for CAD files, mechanical drawings, or datasheets to support your integration or project needs.
Rank No. #7
HiLetgo CP2102 USB 2.0 to TTL Module Serial Converter Adapter Module USB to TTL Downloader with Jumper Wires
- Stable and reliable chipset CP2102
- Baud rates: 300 bps to 1.5 Mbps
- Connect MCU easily to your computer!
- Standard USB type A male and TTL 5pin connector. 5pins for 3.3V, RST, TXD, RXD, GND & 5V
- Supports Windows 98SE, 2000, XP, Vista, Window7, Mac OS 9, Mac OS X & Linux 2.40
SaleRank No. #8
CableCreation USB to RS232 Male Adapter with PL2303 Chipset, USB to DB9 Serial Converter for Windows 11, 10, 8.1, 8, 7, Linux and Mac OS,Black
- Gold Plated USB 2.0 to RS232 Male DB9 Serial Adapter connects a serial DB9(9 PIN) device, such as a modem, to a USB port on your computer. USB port with 1Mbps data transfer rate
- Latest Prolific PL2303 chipset. Supports Windows 11/10/8.1/8/7/Linux /Mac OS
- Easy Connectivity. USB to RS232 adapter works with modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, PDAs, cashier register, CNC, PLC controller, tax printer, POS, bar code scanner, and devices with DB9 SERIAL ports. NOT compatible with Cutting plotter,SCM
- Gold plated connectors ensure high performance and extra durability. Powered by USB port, no external power adapter required
- CableCreation supports two-year warranty and easy to reach customer services. NOTE: Drivers can be downloaded at cablecreation website
Rank No. #9
DTECH USB to Serial Adapter RS422 RS485 R232 to USB Cable (3 in 1 Interface) Supports DC 5V with Breakout Board LED Lights for Multi-Kind Control Devices Windows 11 10 8 7 XP Mac (1.5ft)
- 3 protocols in 1 cable RS232 RS485 RS422: Multifunctional USB to serial adapter easily let you connect RS-232, RS-485 or RS-422 device directly to computer via USB port
- RS232 RS485 serial to USB adapter supports multiple systems windows 11 10 8 7, Mac osx, Linux; plug and play, no power supply needed; 2 wire RS485 Half duplex (485A Positive, 485B Negative), and 4 wire RS422 Full duplex data communication
- 1.5ft shielded RS485 R232 USB to serial cable is ideal for industrial environment - 600w surge protection to protect costly and often sensitive control equipment against electrical damage
- High performance CP2102 chip and I/O auto conversion circuitry makes it a reliable serial RS232 to USB converter dongle; LED lights helps you check the connection status easily
- Type A USB to serial adaptor cord with breakout connector is ideal for laptop computer, router, GPS, programming machine, printer, scanner, label writer, modem, digital camera, palm PC, LED INFO display equipment, controller CNC, PLC control, SCADA, etc
Rank No. #10
CableCreation USB to RS232 Adapter with PL2303 Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black
- Gold Plated USB 2.0 Male to RS232 Female DB9 Serial Cable connects serial DB9 (9 PIN) devices such as modems to standard computer USB ports, supporting up to 1Mbps data transfer rate. Important Note: This cable is equipped with a female RS232 connector, NOT a male RS232 connector. It is only suitable for standard desktop and laptop computers, and is not compatible with mobile phones, tablets or non-standard customized industrial hosts
- Adopted with latest Prolific PL2303 chipset, this USB to RS232 cable supports Windows 11/10/8.1/8/7, Linux and Mac OS. Windows 7/10/11 is plug-and-play and will be automatically identified as COM port. Windows built-in drivers match most USB-to-serial chips; it will automatically download and install the matched driver under network environment. For offline Windows, Mac OS and most Linux systems, please download and install the official driver from CableCreation official website. Ubuntu Linux supports plug and play without driver installation
- Widely compatible with ISDN terminal adapters, digital cameras, label writers, palm PCs, PDAs, cash registers, CNC, PLC controllers, tax printers, POS machines, barcode scanners and other devices with standard DB9 serial ports. Please be noted this cable is NOT compatible with cutting plotter and SCM equipment. Kindly confirm your device interface and model before placing an order
- Features tinned copper conductor and triple shielding to ensure stable and high-quality data transmission. USB bus-powered design requires no external power adapter. If your computer cannot recognize the cable normally, please match it with a null modem adapter for normal use
- CableCreation provides 24-month warranty and lifetime professional customer service. This USB 2.0 Male to RS232 Female DB9 serial converter cable follows standard pin definition, well suited for the usage needs of devices with female RS232 interface. If you encounter any problems about driver installation or device compatibility, please contact our customer service at any time, and we will assist you within 24 hours
Last update on 2024-07-08 / Affiliate links / Images from Amazon Product Advertising API
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- Specifications: How powerful they are can be measured.
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- Product Quality: You don’t always get what you pay for with an serial usb converters, sometimes less, and sometimes more.
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