Top Serial Adapters for Computers and Accessories

The best Serial Adapters includes Highwings 4K DisplayPort to HDMI Adapter, Warrky 4K DisplayPort to HDMI Adapter, OIKWAN USB to RS232 Serial Adapter (6ft) and many others as mentioned below.

1

Highwings 4K DisplayPort to HDMI Adapter

  • 4K@30Hz resolution for stunning visuals.
  • Uni-directional: DisplayPort to HDMI only.
  • Compatible with AMD, NVIDIA graphics cards.
  • Durable design with military-grade tensile nylon.
  • 24K gold-plated ports for optimal signal transmission.
  • Passive adapter; not suitable for bidirectional use.
  • Ideal for HP, Dell, Lenovo desktops.
  • Average Rating out of 5:
  • Price Range: $7.64
  • Color: Grey
2

Warrky 4K DisplayPort to HDMI Adapter

  • Experience stunning 4K visuals at 30Hz.
  • Flawless audio pass-thru for immersive enjoyment.
  • Durable aluminum casing ensures long-lasting use.
  • Gold-plated pins for superior conductivity and reliability.
  • Compact design for portability and convenience.
  • Compatible with various DisplayPort devices.
  • Dedicated support available within 18 hours.
  • Average Rating out of 5:
  • Price Range: $7.99
  • Color: Silver Grey
3

OIKWAN USB to RS232 Serial Adapter (6ft)

  • Compatible with Windows, Mac, and Linux systems.
  • 6ft USB to RS232 male DB9 cable.
  • Supports high-speed data transfer up to 1Mbps.
  • Plug and play installation, no drivers needed.
  • Durable gold-plated connectors and PVC cable.
  • 3-year warranty and 24-hour customer service.
  • Ideal for various serial devices and applications.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Color: usb to db9 6ft black
4

JSAUX 4K DisplayPort to HDMI Adapter (2-Pack)

  • Supports 4K@30Hz and 2K@120Hz resolutions.
  • Plug and play, no drivers required.
  • 24K gold plated connectors for durability.
  • Compatible with various laptops and desktops.
  • Great for TVs, projectors, and monitors.
  • Includes two adapters for versatile use.
  • Compact design for easy portability.
  • Average Rating out of 5:
  • Price Range: $7.98
  • Color: Grey
5

Gearmo USB to Serial RS-232 Adapter

  • Connects USB to RS-232 serial devices.
  • 5ft cable length for flexible connectivity.
  • LED indicators for easy status monitoring.
  • Compatible with Windows, Mac, and Linux.
  • FTDI chipset for reliable performance.
  • Ideal for legacy DB-9 devices.
  • Trusted USA-based engineering and support.
  • Average Rating out of 5:
  • Price Range: $24.88
  • Color: Black
6

UGREEN HDMI Coupler (2 Pack) 4K Adapter

  • Extend HDMI cables effortlessly with UGREEN coupler.
  • Stable 4K@60Hz transmission with 18Gbps bandwidth.
  • Gold-plated connectors prevent signal interference.
  • Supports ARC, 3D, and Dolby Vision.
  • Durable, portable design for on-the-go use.
  • Compatible with various devices like Xbox and PS5.
  • Upgrade your entertainment setup easily today.
  • Average Rating out of 5:
  • Price Range: $8.49
  • Color: Black
7

Tripp Lite USB to Serial Adapter [USA-19HS]

  • Connect serial devices to USB computers easily.
  • Plug-and-play setup for quick installation.
  • Compatible with PC and Mac systems.
  • DB9 serial port recognized as a COM port.
  • Supports data transfer rates up to 230 Kbps.
  • Power drawn directly from USB connection.
  • LED indicator shows adapter status and activity.
  • Average Rating out of 5:
  • Price Range: $39.59
  • Color: Black
8

HiLetgo CP2102 USB to TTL Adapter

  • Stable CP2102 chipset for reliable connections.
  • Supports baud rates from 300 bps to 1.5 Mbps.
  • Easy connection from MCU to computer.
  • Standard USB type A male connector included.
  • Features 5-pin TTL connector for versatile use.
  • Compatible with multiple operating systems, including Windows.
  • Includes jumper wires for convenient connectivity.
  • Average Rating out of 5:
  • Price Range: $7.39
  • Color: Red
9

OIKWAN USB-C to RS232 Serial Adapter

  • USB-C to RS232 DB9 Serial Adapter.
  • FTDI Chipset for reliable performance.
  • Compatible with Windows, Mac, and Linux.
  • Plug and play installation, easy setup.
  • Supports data transfer rates up to 1Mbps.
  • 9-pin connector, ensures perfect device match.
  • 24-month warranty and customer support included.
  • Average Rating out of 5:
  • Price Range: $13.99
  • Color: Black
10

DSD TECH SH-U09C5 USB to TTL Cable

  • Supports 5V, 3.3V, 2.5V, 1.8V TTL levels.
  • Equipped with FTDI FT232RNL chip for reliability.
  • Compatible with Windows, Linux, and MacOS.
  • Includes protective case to prevent static interference.
  • Access to multiple UART and control pins.
  • Easy to use for various TTL communications.
  • Comes with 6-pin cable for convenient connectivity.
  • Average Rating out of 5:
  • Price Range: $13.99
  • Color: Multi-Coloured
11

SABRENT USB to Serial Adapter Cable (6ft)

  • 6 ft USB to Serial adapter cable
  • Compatible with RS-232 devices
  • FTDI chipset for reliable performance
  • Male thumbscrew connectors for secure attachment
  • Supports remote wake-up and power management
  • No IRQ conflicts for convenient usage
  • 96-byte buffer for efficient data transfer
  • Average Rating out of 5:
  • Price Range: $11.99
  • Color: Black
12

BENFEI USB to RS-232 Serial Adapter

  • Connects serial devices via USB easily.
  • 1.8M cable for flexible positioning.
  • Prolific chipset ensures broad compatibility.
  • Plug and play installation; no external power needed.
  • Supports multiple Windows and Mac OS versions.
  • High-speed data transfer at 1Mbps.
  • 18-month warranty for peace of mind.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Color: Black
13

Arnorin DB9 Null Modem Adapter (2 Pack)

  • Converts straight cables to null modem wiring.
  • Features a slimline design for reduced strain.
  • Pin 9 is left open for compatibility.
  • UL grade 94V-0 connector insulator included.
  • Removable and reversible screws for easy installation.
  • Ideal for data transfer via serial ports.
  • Pack includes two adapters for convenience.
  • Average Rating out of 5:
  • Price Range: $7.59
  • Color: 2 Pack
14

HiLetgo FT232RL USB to TTL Adapter

  • FT232RL chipset for reliable performance.
  • Supports 3.3V and 5.5V operation.
  • USB to TTL serial converter adapter.
  • Includes RXD/TXD communication indicators.
  • Features 500mA self-resetting fuse.
  • Compatible with multiple Windows versions.
  • Ideal for various electronic projects.
  • Average Rating out of 5:
  • Price Range: $6.49
  • Color: Red
15

SABRENT 6FT USB to DB9 Serial Adapter

  • Connect serial devices to PCs easily.
  • 6 FT USB cable for flexible use.
  • Standard USB Type A Male connector.
  • 9-pin DB9 RS-232 serial connector.
  • Compatible with multiple operating systems.
  • Programmable baud rates for versatility.
  • Plug and play for easy setup.
  • Average Rating out of 5:
  • Price Range: $10.79
  • Color: Black
16

WWZMDiB Mini USB to TTL Serial Adapter

  • Reliable FT232 series for stable connections.
  • Wide voltage support: 3.3V to 5V.
  • 500mA resettable fuse for safety.
  • RXD/TXD indicators for easy troubleshooting.
  • Compatible with various Windows versions.
  • Ideal for Arduino and debugging applications.
  • Compact design for convenient portability.
  • Average Rating out of 5:
  • Price Range: $6.49
  • Color: Blue
17

OIKWAN USB to RS232 Serial Adapter (6ft)

  • USB to RS232 female adapter for serial devices.
  • 6ft cable with gold-plated connectors for durability.
  • Supports Windows, Mac, and Linux operating systems.
  • Plug-and-play convenience, no external power needed.
  • FTDI chipset for reliable data transfer.
  • Compatible with various DB9 serial port devices.
  • Two-year warranty and accessible customer service.
  • Average Rating out of 5:
  • Price Range: $12.99
  • Color: Black
18

OIKWAN USB to RS232 DB9 Serial Cable (10ft)

  • Male RS232 to DB9 serial cable.
  • Compatible with Windows, Mac, and Linux.
  • High-quality FTDI chipset for reliability.
  • Supports up to 1Mbps data transfer rate.
  • Plug and play, easy installation.
  • Gold plated connectors for durability.
  • Three-year warranty and 24-hour support.
  • Average Rating out of 5:
  • Price Range: $14.99
19

DTech USB to RS422/RS485 Adapter Cable

  • Connects RS485/RS422 devices to USB ports.
  • Built-in FTDI chipset for reliability and performance.
  • Supports Windows 11, 10, 8, 7, and Mac.
  • 4 feet long for convenient installations.
  • 600W surge protection for electrical safety.
  • 15KV ESD isolation on signal pins.
  • Plug-and-play with no additional power needed.
  • Average Rating out of 5:
  • Price Range: $23.98
  • Color: Black
20

StarTech.com USB to RS232 Adapter Cable [ICUSB232PRO]

  • BROAD COMPATIBILITY with legacy RS232 devices.
  • COM PORT RETENTION for easy reconnections.
  • HIGH DATA TRANSFER up to 920 kbps.
  • EASY INTEGRATION with Windows, Linux, Mac OS.
  • VERSATILE for industrial sensors and equipment control.
  • CONNECTS LED and digital signage boards easily.
  • 1 ft. length for convenient setup.
  • Average Rating out of 5:
  • Price Range: $22.99
  • Color: Black
21

EC Buying USB to RS232 Adapter

  • USB to Serial DB-9 RS232 adapter
  • Plug-and-play for easy installation
  • No external power or driver needed
  • Supports Windows and Mac OS
  • Compatible with various serial devices
  • Fast data transfer up to 12MBPS
  • Ideal for legacy serial port communication
  • Average Rating out of 5:
  • Price Range: $6.99
  • Color: blue
22

Arnorin DB9 Null Modem Adapter (2 Pack)

  • Converts standard cables to null modem wiring.
  • Gold contact plating ensures reliable connections.
  • Slimline design minimizes leverage strain on ports.
  • UL grade 94V-0 insulator meets flammability standards.
  • Removable and reversible screws for easy installation.
  • Includes two adapters for versatile use.
  • Ideal for data transfer and serial connections.
  • Average Rating out of 5:
  • Price Range: $7.59
  • Color: 2 Pack
23

DTech USB to TTL Serial Cable (6ft)

  • 6ft USB to TTL serial adapter for easy connections.
  • 4 pin 0.1” pitch female header socket included.
  • Compatible with 3.3V logic level UART signals.
  • Genuine PL2303TA chip for reliable performance.
  • Supports Windows 10, 8, 7, XP, Vista.
  • Ideal for debugging and firmware updates.
  • USB 2.0 type A male terminal for wider compatibility.
  • Average Rating out of 5:
  • Price Range: $13.98
24

BENFEI USB to RS-232 Serial Adapter

  • Connects serial devices via USB port.
  • Supports 1Mbps data transfer rate.
  • Standard USB Type A Male to DB9 connector.
  • Not for VGA; no video/audio output.
  • Easy plug and play installation.
  • Compatible with various Windows and Mac OS versions.
  • 18-month warranty and friendly customer service.
  • Average Rating out of 5:
  • Price Range: $9.99
  • Color: black
25

DTECH DB9 Male RS232 Breakout Adapter

  • Solderless design for easy installation and connections.
  • Compatible with various RS232 devices and applications.
  • Clearly labeled pins for quick troubleshooting.
  • Sturdy construction with pure copper and gold plating.
  • Compact size for versatile mounting options.
  • Includes multiple tail tube sizes for flexibility.
  • Ideal for custom-wired DB9 RS232 connections.
  • Average Rating out of 5:
  • Price Range: $7.98
  • Color: black