USB to RS-232 Serial Adapters

Discover Coolgear’s top-rated USB to RS-232 adapters, expertly engineered to ensure flawless serial communication for industrial and commercial applications. Our high-performance adapters bridge the gap between USB and RS-232 serial devices, offering an ideal solution for modernizing legacy systems. With features like easy plug-and-play installation, durable construction, and wide compatibility with Windows, Mac, and Linux operating systems, Coolgear’s USB to RS-232 adapters are perfect for enhancing data transfer reliability. Trust Coolgear for the best USB to RS-232 adapters, ensuring efficient and dependable connectivity in your automation and communication systems.

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	Name	Model No.	Baud Rate	Serial Ports	Upstream Ports	FIFO Receive	FIFO Transmit	MSRP	Quantity
	USB2 to 8-Port RS232-422-485 Serial TB Adapter Isolation | Surge	USB2-8COMi-SI-TB	921.6K bps	8	1 Type-B Female USB	2,000 bytes	2,000 bytes	$399.99	Max: Min: 1 Step: 1	Add to cart	Learn More
	72 Inch USB DB-9 Serial Hi-Speed Adapter – Prolific Chipset	USBG-RS232-P72	921.6K bps	1	1 Type-A Male USB			$32.95	Max: 500 Min: 1 Step: 1	Add to cart	Learn More
	4-Port RS-232 USB to Serial Adapter Data Control Box	USB-4COM	921.6K bps	4	1 Micro Type-B Female USB	384 bytes	128 bytes	$109.95	Max: 10 Min: 1 Step: 1	Add to cart	Learn More
	16-Port Industrial RS232 to USB 2.0 Hi-Speed Serial Adapter	CG-16COM-MINI	921.6K bps	16	1 Type-B Female USB	512 bytes	512 bytes	$399.95	Max: 1 Min: 1 Step: 1	Add to cart	Learn More
	Rugged Industrial 8-Port Terminal Block RS232/422/485 to USB Adapter	SA-8PXTB	921.6K bps	8	1 Type-B Female USB	128 bytes	128 bytes	$329.99	Max: 1 Min: 1 Step: 1	Add to cart	Learn More
	USB to Industrial 5Volt RS232 Serial Adapter FTDI	USB-COMPlus	921.6K bps	1	1 Type-A Male USB	384 bytes	128 bytes	$32.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	4-Port RS-232 USB to Serial Adapter – Octopus Cable DIN Rail	USB2-4COM-M-CBL	921.6K bps	4	1 Type-B Female USB	384 bytes	128 bytes	$109.95	Max: 5 Min: 1 Step: 1	Add to cart	Learn More
	RS232/422/485 to USB 2.0 Serial Adapter Combo	CG-232485CBO	921.6K bps	2	1 Type-B Female USB			$98.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB to Serial RS-232 DB9 Adapter FTDI Chipset w/ 15kV ESD Protection, Windows 11 Support	USBG-232	921.6K bps	1	1 Type-A Male USB	512 bytes	512 bytes	$27.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB to RS-232 Isolated TTL | CMOS 5ft. Adapter Cable w/ TB	USB-232TTLMOS-IS	921.6K bps	1	1 Type-A Male USB			$54.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB 2 to Industrial 4-Port RS232-422-485 Serial TB Adapter	USB2-4COMi-TB	921.6K bps	4	1 Type-B Female USB	2,000 bytes	2,000 bytes	$189.99	Max: Min: 1 Step: 1	Add to cart	Learn More
	4-Port Industrial USB 2.0 to RS-232 / 422 / 485 Serial TB Adapter w/ Optical Isolation & Surge Protection	USB2-4COMi-SI-TB	921.6K bps	4	1 Type-B Female USB	2,000 bytes	2,000 bytes	$249.99	Max: Min: 1 Step: 1	Add to cart	Learn More
	Dual-Port RS-232 to Ethernet Data Gateway TCP/IP Industrial Metal Case	MSD-SRF2XM	115.2K bps	2	N/A			$186.95	Max: 24 Min: 1 Step: 1	Add to cart	Learn More
	USB2 to 8-Port RS232-422-485 Serial TB Adapter	USB2-8COMi-TB	921.6K bps	8	1 Type-B Female USB	2,000 bytes	2,000 bytes	$299.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB C to RS-232 6FT Serial Adapter Black w/FTDI Chipset DB9 male	USBG-232MM-C	921.6K bps	1	1 Type-C Male USB	512 bytes	512 bytes	$27.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB C to Serial FTDI Adapter Black for Windows 10 Fully Supported!	USBG-232-C	921.6K bps	1	1 Type-C Male USB			$25.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	2 Port USB 2.0 to RS 232 Manual Switch FTDI Chipset	CG-2URS232M		1	2 Type-B Female USB			$38.95	Max: 10 Min: 1 Step: 1	Add to cart	Learn More
	2 Port USB 2.0 to RS 232 Auto Switch FTDI Chipset	CG-2URS232A		1	2 Type-B Female USB			$60.95	Max: 8 Min: 1 Step: 1	Add to cart	Learn More
	4 Port USB 2.0 to RS 232 Manual Switch FTDI Chipset	CG-4URS232M		1	4 Type-B Female USB			$49.95	Max: 10 Min: 1 Step: 1	Add to cart	Learn More
	4 port USB 2.0 to RS 232 Auto Switch FTDI Chipset	CG-4URS232A		1	4 Type-B Female USB			$76.95	Max: 10 Min: 1 Step: 1	Add to cart	Learn More
	1-Port USB to Serial Adapter (RS-232/422/485) , DIN-rail	USB-COMi-PRO		1	1 Type-B Female USB	512 bytes	512 bytes	$98.95	Max: 4 Min: 1 Step: 1	Add to cart	Learn More
	RS-232 / RS-422 / RS-485 to USB 2.0 Adapter w/ Isolation & Surge Protection	CG-USBISOCOM-PRO	921.6K bps	1	1 Type-B Female USB			$134.95	Max: 2 Min: 1 Step: 1	Add to cart	Learn More
	2-Port USB 2.0 to RS-232 DB-9 Industrial Serial Adapter w/ 25kV ESD & 2kV Optical Isolation Protection	USB-2COM-SI-M	921.6K bps	2	1 Type-B Female USB	256 bytes	128 bytes	$149.89	Max: Min: 1 Step: 1	Add to cart	Learn More
	16 Port RS-232 Rack Mountable USB to Serial Adapter	USB-16COM-RM	921.6K bps	16	1 Type-B Female USB	384 bytes	128 bytes	$461.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable	USBG-232MINI	921.6K bps	1	1 Type-A Male USB	128 bytes	256 bytes	$25.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	4 Port RS-232 USB to Serial Adapter w/ Optical Isolation & Surge Protection	CM-41042	921.6K bps	4	1 Type-B Female USB	512 bytes	512 bytes	$269.95	Max: 18 Min: 1 Step: 1	Add to cart	Learn More
	Single Port RS-232 USB to Serial Adapter w/ Optical Isolation & Surge Protection	USBG-COM-SI-M	921.6K bps	1	1 Type-B Female USB	512 bytes	512 bytes	$109.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	4-Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & FTDI Chipset	USB2-4COM-M	921.6K bps	4	1 Type-B Female USB	384 bytes	128 bytes	$109.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB 2.0 to RS-232 / RS-422 / RS-485 Selectable Industrial Serial Adapter w/ 15kV ESD Surge Protection	USBG-COMi-M	921.6K bps	1	1 Type-B Female USB	512 bytes	512 bytes	$82.95	Max: 85 Min: 1 Step: 1	Add to cart	Learn More
	8 Port USB to RS-232/422/485 Octal Adapter	USB-8COMi-RM	921.6K bps	8	1 Type-B Female USB	384 bytes	128 bytes	$409.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	16 Port USB to RS-232 422/485 Metal Serial Adapter DIN-Rail Mount	USB-16COMi-RM	921.6K bps	16	1 Type-B Female USB	384 bytes	128 bytes	$699.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	32 Port RS-232 USB-to-Serial Adapter	USB-32COM-RM	921.6K bps	32	1 Type-A Male USB	384 bytes	128 bytes	$659.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	Single Port Industrial Adapter USB 2.0 to RS-232 / 422 / 485 w/ FTDI Chip	USB-COMiPLUS		1	1 Type-A Male USB	384 bytes	128 bytes	$65.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	2-Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV Surge Protection & 3 ft. USB Extension Cable	USBG-232FT-1	921.6K bps	2	1 Type-A Male USB	128 bytes	384 bytes	$49.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	Industrial 8-Port DB-9 RS232 to USB Adapter w/ISO and Surge Protection	CM-41082	921.6K bps	8	1 Type-B Female USB	512 bytes	512 bytes	$399.95	Max: 3 Min: 1 Step: 1	Add to cart	Learn More
	72 Inch USB to DB-9 Serial High Speed Adapter with FTDI Chipset	USBG-RS232-F72	921.6K bps	1	1 Type-A Male USB			$32.95	Max: 297 Min: 1 Step: 1	Add to cart	Learn More
	6ft. USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & FTDI Chipset	USBG-232MM	921.6K bps	1	1 Type-A Male USB	512 bytes	512 bytes	$27.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB 4-Port Serial Adapter – USB 2.0 to DB-9 Port RS232 with FTDI CHIP	USBG-4X232P1	921.6K bps	4	1 Type-A Male USB			$126.95	Max: 14 Min: 1 Step: 1	Add to cart	Learn More
	4-Port USB to RS232 Adapter FTDI Cable	CG-4X232FTDI	921.6K bps	4	1 Type-A Male USB			$98.95	Max: 10 Min: 1 Step: 1	Add to cart	Learn More
	Single Port High-Speed USB 2.0 to Serial RS-232 Industrial Adapter w/ FTDI Chipset	USBG-COM-M	921.6K bps	1	1 Type-B Female USB	512 bytes	512 bytes	$43.95	Max: 10 Min: 1 Step: 1	Add to cart	Learn More
	2-Port USB 2.0 to RS-232 DB-9 Industrial Serial Adapter w/ 15kV ESD Surge Protection	USBG-2COM-M	921.6K bps	2	1 Type-B Female USB	128 bytes	384 bytes	$98.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB to RS232 TTL | CMOS Adapter Cable with Terminal Block	USB-232TTLMOS	921.6K bps	1	1 Type-A Male USB			$43.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	Dual Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ FTDI Chip	XC-232-C	921.6K bps	2	1 Type-B Female USB	4096 bytes	4096 bytes	$65.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB to Serial 16 Port RS-232 Compact Adapter Two Octopus Cables	USB2-16COM-M-CBL	921.6K bps	16	1 Type-B Female USB	384 bytes	128 bytes	$417.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB to Serial RJ45 Cable for Serial Console Ports	URJ4856FT		1	1 Type-A Male USB			$27.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	Eight Port USB to Serial Adapter Box with Prolific Chipset	USBG-8X-RS232	1.2Mbps	8	N/A	256 bytes	256 bytes	$181.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	USB 4 Port Serial DB-9 RS-232 Adapter Box – Prolific Chipset	USB-4XRS232	1.2Mbps	4	1 Type-B Female USB	256 bytes	256 bytes	$97.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	36 Inch USB to DB-9 Serial High Speed Adapter with Prolific Chipset	USBG-RS232-P36	921.6K bps	1	1 Type-A Male USB			$27.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	36in. USB to DB-9 Serial RS-232 High Speed Adapter w/ FTDI Chipset	USBG-RS232-F36	921.6K bps	1	1 Type-A Male USB			$27.95	Max: Min: 1 Step: 1	Add to cart	Learn More
	2-Port USB to Serial Adapter (RS-232/422/485) , DIN-rail	USB-2COMi-PRO		2	1 Type-B Female USB	512 bytes	512 bytes	$164.95	Max: Min: 1 Step: 1	Add to cart	Learn More

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