Serial Adapters of 2025
Best Choice1
WWZMDiBWWZMDiB Mini USB to TTL Serial Converter Adapter, 3.3V/5.5V, FTDI Breakout Board for Arduino
Main highlights- Working Voltage：3.3 V - 5 V
- With 500ma resettable fuse, RXD/TXD transceiver communication indicator
- USB to TTL Converter Breakout Board: From a stability point of view, the FT232 series is the most reliable and can be used to debug programs without worrying about the blue screen
- Not compatible with Windows 8
- Compatible with Win95/98/98se/ME/2000/XP/win7 32-bit 64-bit/ vista
9.7Exceptional
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Value for Money2
Tripp lite20% OffTripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS)
Why we love it
Easy plug-and-play setup.
No external power needed.
High-speed data transfer.
9.6Exceptional
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3
ArnorinArnorin DB9 Null Modem Adapter Male to Female Slimline Data Transfer Serial Port Adapter 10 Pack
Main highlights- UL grade 94V-0 connector insulator satisfies flammability requirements
- Slimline design reduces leverage strain on computer ports
- Screws are removable and reversible
- Gold contact plating provides reliable connections with repeated mating cycles
- Converts standard, straight wired cables to null modem wiring
9.5Excellent
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4
OIKWANOIKWAN 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)…
Why we love it
Fast data transfer speeds.
Wide device compatibility.
Easy plug-and-play setup.
9.4Excellent
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5
SABRENT33% OffSABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P)
Why we love it
Plug & Play setup is user-friendly.
Compatible with multiple operating systems.
Lifetime warranty offers peace of mind.
9.3Excellent
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6
Gearmo44% OffGearmo 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
Main highlights- 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 20 years. Reach out to us for CAD, Mechanical Drawings and, Data Sheets.
- USB TO RS232 SERIAL – 5ft in length serial adapter. Connect legacy DB-9 serial communications devices to a modern computer with USB
- Os compatibility: Windows 7, 8, 10, and Windows 11 as well as Linux and MacOS 10.X
- EASY TEST - Easy test RS-232 host to device link. With a full LED, dual color display, tester output. This will make testing your connections with ease.
- COMPATABILITY - With support on multiple OS platforms this makes our USB RS- 232 very versatile. Supported OS platforms are Windows 7, 8, 10, and 11 as well as Linux and MacOS 10.X
9.0Excellent
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7
JUXINICEJUXINICE 2Packs DB9 Serial Adapters No Soldering Needed. D-SUB 9-pin RS232 RS485 Adapter to Terminal Connector Signal Module with Bolts Nuts and Screwdriver (1PCS Male+1PCS Female)
Main highlights- 【Scope of application】D-sub9pin does not need to weld serial port connector, which is suitable for RS232 / RS485 / RS422 serial adapter COM port ，Such as computer and tax control machine, digital camera,PLC, PDA, MODEM, set-top box, barcode machine, industrial instrumentation and other equipment for communication.
- 【No soldering needed】 This is SO convenient， convenient wiring. The shell is designed with folding buckle, It can be disassembled or assembled repeatedly，Case can be prevent short circuits
- 【Functional features】suitable for all kinds of industrial control products that need serial communication for pin connection, all copper base, 9pin gold-plated interface, iron shell salt spray for 24 hours
- 【DIY DB9 cable 】Using 9pin male and female connectors, you can make DB9 cable or USB to RS232 / RS485 cable by yourself. The cable length and wiring sequence can be customized
- What you get :(1PCS Female +1PCS Male )with case，1PCS Screwdrivers ，4PCS 4#5+7 Serial port Nut ，4PCS 4#62mm Serial port long bolt ，4PCS 3*8mm Screws ，2PCS Wire pressing plate ，6PCS Wire cover
8.9Very Good
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8
CableCreationCableCreation 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
Main highlights- Tinned Copper Conductor and triple shielding ensure the best data transfer rate. USB bus powered, no external power adapter required. NOTE: If not recognized, you may need to use this serial adapter with a null modem adapter
- Latest Prolific PL2303 chipset. supports Windows 11/10/8.1/8/7/Linux /Mac OS; NOTE: Drivers can be downloaded at Cablecreation website
- Gold Plated USB 2.0 Male to RS232 Female DB9 Serial Cable 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. NOTE: It's USB to RS232 FEMALE adapter
- Easy Connectivity: USB to RS232 adapter works with models, ISDN terminal adapters, digital cameras, label writers, palm PCs (Windows 11, 10, Windows 8, windows 7--should auto detect and install the drivers), PDAs, cashier register, CNC, PLC controller, tax printer, POS, bar code scanner, label printer, and devices with DB9 serial ports Please note that it’s not compatible with Cutting plotter, SCM
- CableCreation offers 24 month product warranty and easy to reach lifetime customer services.This USB to RS232 Adapter is a USB 2.0 male to RS232 female DB9 serial converter cable, suitable for customers with RS232 female head requirements with the same pin definition.If you have any problem with this item please do not hesitate to contact with us
8.8Very Good
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9
DriverGeniusDriverGenius USB-C to Serial RS232 DB9 Adapter with 9 x Data Monitoring LEDs, Compatible with Windows 11, macOS Sequoia 15.1.1 (USB232A-E-C)
Main highlights- USB C SERIAL: Ideal for IT applications such as server rooms, industrial control/automation, logistics, POS, AV installations, laboratories, etc. Connect legacy DB-9 serial communications devices to modern computer with this USB C to RS232 converter. (Length: 1 meter/3.3ft)
- RS232 to USB C: 921.6 Kbps Baud | 512 byte FIFO | Data bits of 5/6/7/8 and stop bits 1/1.5/2 | Parity Modes of None, XON/XOFF, RTS/CTS, DTR/DSR | Flow Control Options Odd/Even/Mark/Space/None/
- RELIABLE SUPPORT: Backed by 【DriverGenius】 2-Year after-service and technical support on this USB-C serial port Adapter
- COMPATABILITY: This USB serial cable powered by an available USB-C port. Compatible with Windows 11, macOS Sequoia 15.1.1 and Linux (Note: Does not works with Windows ARM system. Windows 12 is currently not supported. Please proceed with caution when making a purchase.)
- 9 LED INDICATORS: Solutions for connecting and troubleshooting RS-232 (DB9) interfaces. With status lights, easy check RS-232 host to device link
8.7Very Good
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10
DSD TECHDSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows 11, 10, 7 and Mac OS
Main highlights- Works with Windows 11,10, 7(32/64bit) Vista 2008, XP, 2003,Mac Etc.
- With this USB to TTL adapter, you can establish communication with your board/MCU through your computer. Maximum transmission speed up to 3Mbps
- The main chip is FT232RL from FTDI ,High stability. LED indicator for TX,RX,Power,It is very useful when you are debugging or downloading.
- Pin Definition: CTS,RTS,RXD,TXD,GND,VCC;Support VCC output 3.3V and 5V, switch by jumper.
- Customer Support:Offering permanent technical support and a 1-year product replacement service for this usb to uart adapter. All questions will be answered for you within 1 business day
8.5Good
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