Best Serial Cables 2026

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Last Updated - 03.02.2026

Best Choice

01

UGREEN

UGREEN USB Serial Cable, USB to RS232 DB9 9 pin Converter Cable 3m for Connecting Cisco Routers and Switches,Celestron Telescope Nexstar hand Controller and Extron and Crestron Products, Support Windows 10/8/7/Vista/XP/2000 and Mac OS X 10.6 to 10.11 EI Capitan with PL2303 Chipset

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide compatibility: With the PL2303 chipset, the serial to USB adapter supports Windows 11/ 10/ 8.1/ 8/ 7/ Vista/ XP/ 2000, Mac OS X 10.6 and more.
STRONG AND DURABLE Designed to withstand over 10,000 insertions and 10,000 bends, plugging and unplugging devices without worry. The ports match the device ports exactly to prevent premature disconnection.
RS232 USB adapter: the USB serial cable helps you connect serial devices such as serial DB9 devices. It allows any computer, serial devices (RS232, DB9) such as PCs, routers, GPS, barcode scanners, barcode machines, serial modems, digital cameras, card readers, PDAs, mobile phones, PDAs/ISDN terminal adapters to connect via the USB port.
High-quality materials: the USB DB9 cable consists of multiple shielding and provides better protection against interference. Tinned copper wires and gold-plated connectors ensure good conductivity.
Excellent Performance Built-in PL2303 chip ensures more stable and reliable transmission. The transfer rate is between 75-115200 bps. The USB serial adapter supports null modems. You can configure COM ports in Device Manager. It is also able to detect suspend USB.

19,99 €
Value for Money

02

CableDeconn

CableDeconn USB to RS232 Adapter with Prolific PL2303 Chipset 6ft 2m USB 2.0 Male to RS 232 DB9 Serial Male with Connector Female Cable for Windows XP,Windows Vista,7,8,10,Mac OS Linux

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

USB2.0 to RS232 Male DB9 Serial Cable with RS232 Female Converter,Connect USB Port on your Computer to your RS232 DP 9Pin Devices,USB Port is available with 1Mbbps date transfer rate
Simple installation, plug and play, uses latest prolific PL2303 chipset, supports Windows 10/8.1/8/7/Vista/XP//2000 /Linux 2.4 or above /and Mac OS X 10.6 and above
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, label printer,and devices with DB9 SERIAL ports.Please note that not compatible with Cutting plotter,SCM
Driver for the first time use,please find the driver at our CableDeconn official site or in the Package to download driver to ensure you can use this adapter normally
CableDeconn supports lifetime warranty and customer services,if you have any questions about using our Adapter,CableDeconn will Provides with you Technical Support within 24 Hours

14,39 €
03

AKYGA

Akyga AK-CO-04 RS-232 Kabel DB9 D-Sub 9 Polig Adapter Buchse auf Buchse 2 m

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

High quality
Double-sided Rs-232 (D-Sub) female
Cable length: 2 m

5,50 €
04

StarTech

StarTech. com SCNM9FF2MBK 2 m Female to Female RS232 Serial Null Modem Cable Black

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Molded connectors with strain relief
High-quality shielding prevents EMI interference

9,51 €
05

BENFEI

BENFEI USB to RS232 Serial Cable with Nut 1.8 m, Serial USB to RS-232 (9 Pin) DB9 with PL2303 Prolific Chipset, Compatible with Windows 11/10/8.1/8/7, Mac OS X 10.6 and above (Not VGA)

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide compatibility: the USB to RS232 adapter is equipped with the Prolific PL-2303 chipset for maximum compatibility with Windows 11, 10, 8, 7, XP, Vista, 2000, 98, MacOS8 or higher, Linux 2.4.0 and above and other platforms;
HOW IT WORKS: BENFEI USB to RS232 DB9 serial connector is designed to connect to serial devices such as DB9 equipped serial modems, ISDN terminal adapters, digital cameras, label writers, palm PCs, barcode scanners, PDAs, etc. via a USB port with 1 Mbps data transfer rate;
Conductor & shielding: tinned copper conductor (wire thickness No. 24 No. 28) and triple shielding ensure the best data transfer rate. Powered by USB port, no external power supply required. Easy installation, plug and play after a single driver installation;
CONNECTORS: With standard USB Type A male to standard DB9-RS-232 9 pin serial male; Note that it is not the USB to VGA (DB15) solution that cannot mirror video/audio to an external monitor. It is the USB to DB9 solution;
18 MONTHS WARRANTY: Exclusive 18-month unconditional BENFEI warranty ensures long-term satisfaction with your purchase; Friendly and easy to reach customer service to solve your problems in time.

9,99 €
06

UGREEN

UGREEN 20210 USB Serial Cable, USB to RS232 DB9 9 pin Converter Cable 1m for Connecting Cisco Routers and Switches,Celestron Telescope Nexstar hand Controller and Extron and Crestron Products, Support Windows 10/8/7/Vista/XP/2000 and Mac OS X 10.6 to 10.11 EI Capitan with PL2303 Chipset

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide compatibility: With the PL2303 chipset, the serial to USB adapter supports Windows 11/ 10/ 8.1/ 8/ 7/ Vista/ XP/ 2000, Mac OS X 10.6 and more.
STRONG AND DURABLE Designed to withstand over 10,000 insertions and 10,000 bends, plugging and unplugging devices without worry. The ports match the device ports exactly to prevent premature disconnection.
RS232 USB adapter: the USB serial cable helps you connect serial devices such as serial DB9 devices. It allows any computer, serial devices (RS232, DB9) such as PCs, routers, GPS, barcode scanners, barcode machines, serial modems, digital cameras, card readers, PDAs, mobile phones, PDAs/ISDN terminal adapters to connect via the USB port.
High-quality materials: the USB DB9 cable consists of multiple shielding and provides better protection against interference. Tinned copper wires and gold-plated connectors ensure good conductivity.
Excellent Performance Built-in PL2303 chip ensures more stable and reliable transmission. The transfer rate is between 75-115200 bps. The USB serial adapter supports null modems. You can configure COM ports in Device Manager. It is also able to detect suspend USB.

12,99 €
07

Uliwamowi

Uliwamowi RJ45 USB Cable to Console RJ45 USB Console Cable with PL2303GT Chip for Connecting Terminals with Routers and Switches 1.8M/5.9FT, Compatible with Windows 7/8/10, Mac OS, Linux

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide Compatibility This RJ45 USB console cable is fully compatible with many network devices such as routers, switches, firewalls and other popular devices, including the brands Cisco, on Windows 7, 8, 10, Linux and Mac OS.
Quick and easy connection: This USB serial router cable allows a reliable and fast terminal connection with various switches and routers. It fits perfectly with laptops and desktops for a smooth user experience.
High transmission performance: This USB to RJ45 console cable with the PL2303GT chip provides a maximum transfer speed of 1 Mbps. It ensures a reliable and stable connection for your routers, switches and other network devices.
EASY INSTALLATION No complicated configuration required, just need a driver to start quickly. This 6ft USB to RJ45 console cable is ideal for home offices, computer networks, and mobile installations.
DURABILITY AND FLEXIBILITY The flat and flexible FTDi console cable USB to RJ45 allows for easy storage without the clutter. The low-profile design prevents tangling and simplifies installation, whether along a wall or under a carpet, while ensuring fast and durable transfer.

7,96 €
08

Harrisen

Harrisen Pack of 2 Solderless DB9 RS232 D-SUB Female Serial Adapter, 9-Pin Port Terminal Adapter Connection Breakout Board with Case Long Bolts Tailpipe (2 Pieces Thin Socket)

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile applications: it can connect all kinds of serial devices. Such as computer and control control machine, digital camera, PLC,PDA, MODEM, set-top box, barcode machine, industrial instruments and other communication equipment.
Thinner: the thickness is only 16mm, which is 4mm thinner than the normal solderless connectors, ensuring that the product can be used in tight spaces.
REDUCE ERRORS: The terminal block area is clearly marked, making proper termination virtually foolproof.
High quality and durability: pure copper plated connections, fine solder connections, plug strength and good contact to ensure high quality, durability and a long service life. The outer casing is made of environmentally friendly PP construction material, which is soft and durable.
Easy to use: no welding required, 128 type environmental protection copper terminal design, no soldering iron and cumbersome tools required, easy wiring. The case is equipped with a folding buckle for easy assembly and disassembly without tools.

12,99 €
09

CableDeconn

CABLEDECONN USB to RS232 Adapter with Prolific PL2303 Chipset USB 2.0 Male to RS232 Female DB9 Serial Cable 2 m 6 ft for Windows XP,Windows Vista,7,8,10, Mac OS 10.6 Above Linux

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8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

USB2.0 to RS232 Female DB9 Serial Cable,Connect USB Port on your Computer to your RS232 DP 9Pin Devices,USB Port is available with 1Mbbps date transfer rate.Note:If your RS232 Device is Female Port,you need get a DB9 RS232 Male to Male Converter or cable to be connected between your device our and cable's RS22 32 Port Port 3
Simple installation, plug and play, uses latest prolific PL2303 chipset, supports Windows 10/8.1/8/7/Vista/XP//2000 /Linux 2.4 or above /and Mac OS X 10.6 and above
Install Driver for the first time use,please find the driver at our cabledeconn official site or you can download the driver in our Package to ensure you can use this adapter normally
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, label printer,and other devices with DB9 SERIAL ports.Please note that 1: not compatible with Cutting plotter 2:Not compatible with VGA 15 Pin Device
CableDeconn supports lifetime warranty and customer services,if you have any questions about using our Adapter,CableDeconn will Provides with you Technical Support within 24 Hours

14,19 €
10

StarTech

StarTech. com 1 m DB9 RS232

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8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

SPECIFICATIONS: 1m - DB9 male to DB9 female serial cable - Black - 28 AWG, 4.8mm AD - Al-Mylar cable shielding and metal shielding connectors - Molded PVC strain relief and jacket - Lifetime warranty - Note: This is a straight-through cable, not a null modem cable
SERIAL EXTENSION CABLE: With the DB9 male to female serial cable, you can extend the range of your serial devices by up to 1 meter. So you are less restricted and get more flexibility for the desired positioning of your serial devices
SCREWABLE EXTENSION CABLE This straight through cable (not a null modem cable) is equipped with thumb screws for reliable tool-free installation and easy removal
LIFETIME SUPPORT: Offered by StarTechcom with a lifetime warranty for reliable performance
HIGH QUALITY CONSTRUCTION: High quality 28mm² copper wires with Al-Mylar cable shielding and connectors with metal shielding protect against interference; molded PVC connectors with strain relief and PVC jacket prevent damage from bending or rough treatment

4,77 €