Advertising Disclosure
Best Serial Adapters of 2025
Best Choice
1
StarTech.comStarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO)
28% Off Free Shipping
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
ATENATEN UC232C USB-C to RS-232 Serial Adapter, Anti-Electromagnetic Interference (Anti-EMI), USB compliant, OS Compatibility: Windows, Mac, and Linux, Data Transfer Rates Up To 921.6 Kbps, 45cm Cable
Free Shipping
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.
3
YoumileYoumile 2 pcs CH340 USB to RS232 Male Adapter Serial Port DB9 9 Pin Male Converter Adapter CH340 Chip with RS-232 DB9 Female to Female Adapter for XP/Vista/Win7/8/10
Free Shipping
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
BENFEIBENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M
Free Shipping
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.
Value for Money
5
SABRENTSABRENT Serial Cable to USB, 9 Pin USB Serial Adapter, DB 9 RS232 Female Converter, For Printers, Servers, Windows Mac [-NOT a display cable-] 0.85m (CB-DB9P)
29% Off Free Shipping
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.
6
StarTech.comStarTech AT925FM DB9 to DB25 Serial Cable Adapter - F/M , Beige
Free Shipping
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.
7
DriverGeniusDriverGenius USB232A-B-C | 1-Port USB-C to RS232 Serial Adapter Cable with 3 x LEDs – Compatible with Windows 11, macOS 15, and DB9 Serial Devices
Free Shipping
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.
8
LFHUKEJILFHUKEJI USB TO RS232, USB 2.0 Male to Serial (9-Pin) Female DB-9 RS-232 Adapter Cable 1.5m(FTDI Chipset)
Free Shipping
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.
9
DTechDTech USB to RS232 DB9 Female Serial Adapter Cable Supports Windows 11 10, 8, 7, Mac, Linux (1.8m)
Free Shipping
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.
10
QTMMCQTMMC USB to Serial Cable, 1.8M USB to RS232 DB9 9 Pin Converter Cord, Serial Female Adapter Cable with Prolific PL2303 Chipset, Support Windows 7/8/10/11, Mac OS X 10.6 and Above
30% Off Free Shipping
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.
