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Best Serial Adapters of 2026
Best Choice
1
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)
9.8
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.
2
StarTechStarTech 1ft USB to Serial Adapter Cable, FTDI, 30cm (1P1FFC-USB-SERIAL) | USB-A to DB9 RS232, Interchangeable DB9 Screws Nuts, COM Retention, LED Indicators
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.
3
StarTechStarTech 1ft. USB to RS232 Serial DB9 Adapter (ICUSB232PRO) | Up to 920 kpbs USB-A to DB9 Serial Adapter, Cable with COM Port Retention
9.5
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.
4
QTMMCQTMMC USB to Serial Cable, 1.8M USB to RS232 DB9 9 Pin Converter Cord
9.4
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.
Value for Money
5
UGREENUGREEN USB to RS232 DB9 9-Pin Serial Cable, PL2303 Chipset, 1m | Converter for Cisco Routers/Switches, Celestron Telescope Nexstar, Extron Crestron Products
20% Off Limited Time Deal
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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6
StarTechStarTech 17in 1-Port USB to Serial Adapter Cable, M/M, 43cm (ICUSB232V2) | USB-A to DB9 RS232, USB to RS232 Adapter, Prolific Chipset
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.
7
CableDeconnCABLEDECONN USB to RS232 Adapter with Prolific PL2303 Chipset USB2.0 Male to RS232 Female DB9 Serial Cable 2m 6ft for Windows XP,Windows Vista,7,8,10,Mac OS 10.6 Above Linux
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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8
DTECHDTech USB to RS232 DB9 Female Serial Adapter Cable Supports Windows 11 10, 8, 7, Mac, Linux (1.8m)
9.0
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.
9
DTECHDTECH USB to Serial Adapter, Prolific PL2303 Chip, DB9 Male 3ft（1m | Compatible with Windows 11/10/8/7, Mac OS, Linux, Ideal for PDA, GPS, Tax Printer, Serial Modem, DB9 Male Connector
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.
10
SABRENTSABRENT Serial Cable to USB, 9 Pin USB Serial Adapter | DB9 RS232 Female Converter For Printers, Servers, Windows Mac [-NOT a display cable-] 0.85m (CB-DB9P)
8.8
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.
