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USB Converters

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Coolgear 4 Port USB 2.0 to RS 232 Auto Switch FTDI Chipset - CG-4URS232A
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Coolgear 4 Port USB 2.0 to RS 232 Auto Switch FTDI Chipset - CG-4URS232A
  • Color: Black
  • Model #: 045079162259
  •  
  • $28.29 –
  • $3.99 Shipping
Gearmo DB9 RS-232 5 Bits Optoelectronic Isolated Converter 2,500Vrms
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Gearmo DB9 RS-232 5 Bits Optoelectronic Isolated Converter 2,500Vrms
  • Color: Black
  • Model #: GM-1015-B
  •  
  • $18.22 –
  • $3.99 Shipping
Gearmo 2 Port USB Type-C To Serial Adapter w/ Per Port Rx / TX Status LED Matrix
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Gearmo 2 Port USB Type-C To Serial Adapter w/ Per Port Rx / TX Status LED Matrix
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: GM-FTDI2XC-LED
  •  
  • $49.68 –
  • $3.99 Shipping
Gearmo Industrial RS-232 to RS-422 Converter with Terminal Block - GM-1005A-B
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Gearmo Industrial RS-232 to RS-422 Converter with Terminal Block - GM-1005A-B
  • Color: Black
  • Model #: 045079162587
  •  
  • $29.07 –
  • $3.99 Shipping
Coolgear USB 2.0 to Serial High-Speed RS-232 Industrial Adapter Metal Case with Mounting Flanges
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Coolgear USB 2.0 to Serial High-Speed RS-232 Industrial Adapter Metal Case with Mounting Flanges
  • Part Number: USB-COM-M
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USB-COM-M
  •  
  • $40.99 –
  • $3.99 Shipping
Coolgear DB9 Female 9-Pin to Terminal Block CAN Terminator - TB-DB9TO9CAN
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Coolgear DB9 Female 9-Pin to Terminal Block CAN Terminator - TB-DB9TO9CAN
  • Color: Black
  • Model #: 045079163638
  •  
  • $38.29 –
  • $3.99 Shipping
Gearmo RS-232 to RS-485/422 Port-Powered w/Optical Isolation - GM-10127-B
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Gearmo RS-232 to RS-485/422 Port-Powered w/Optical Isolation - GM-10127-B
  • Color: Black
  • Model #: 045079162983
  •  
  • $41.17 –
  • $3.99 Shipping
USBGear Industrial Professional USB Serial Adapter RS232 FTDI with 5Volt Out
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USBGear Industrial Professional USB Serial Adapter RS232 FTDI with 5Volt Out
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USB-COMPlus
  •  
  • $33.99 –
  • $3.99 Shipping
Gearmo RS-232 to TTL Converter 5V Output - GM-1010-B
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Gearmo RS-232 to TTL Converter 5V Output - GM-1010-B
  • Color: Black
  • Model #: 045079162648
  •  
  • $24.27 –
  • $3.99 Shipping
BLACK BOX IC833A DB9 MINI CONVERTER (USB TO SERIAL), USB/
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BLACK BOX IC833A DB9 MINI CONVERTER (USB TO SERIAL), USB/
  • Model #: IC833A
Brainboxes US-257 2 Port RS232 USB to Serial Adapter
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Brainboxes US-257 2 Port RS232 USB to Serial Adapter
  • Changer Type: USB to DB9 (RS-232)
  • Specifications: Host Interface: USB Ports: 2 x 9-pin DB-9 Male RS-232 Serial Operating Distance: EIA - RS232 Standard Cable: USB cable Platform Support: PC PCB Layers: 4 Power Consumption: 100mA @ 3.3V Operating Systems: Microsoft Windows 7 32 bit & 64 bit Editions Windows Vista 32 bit & 64 bit Editions Windows XP 32 bit & 64 bit Editions Form Factor: External Dimensions: 3.94" x 4.13" x 1.02" Weight (Approximate): 13.58 oz
  • Connector A: 1x USB
  • Connector B: 2x DB-9 male
  • Model #: US-257
Gearmo USB Industrial 2-Port Serial RS-232 w/FTDI Chipset, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
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Gearmo USB Industrial 2-Port Serial RS-232 w/FTDI Chipset, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: GM-FTDI2X-M
  •  
  • $59.99 –
  • $3.99 Shipping
Gearmo 4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX
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Gearmo 4 Port USB Type-C To Serial Adapter with Per port LED Rx / TX
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: GM-FTDI4XC-LED
  •  
  • $61.78 –
  • $3.99 Shipping
Coolgear 50W PoE to USB-C PD Power Adapter, 802.3 BT Compliant - CG-PoE-CESBT
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Coolgear 50W PoE to USB-C PD Power Adapter, 802.3 BT Compliant - CG-PoE-CESBT
  • Color: Black
  • Model #: 045079162198
  •  
  • $110.18 –
  • $3.99 Shipping
Coolgear Industrial USB 2.0 to RS-232 Serial Adapter Optical Isolation
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Coolgear Industrial USB 2.0 to RS-232 Serial Adapter Optical Isolation
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USBG-COM-SI-M
  •  
  • $95.99 –
  • $3.99 Shipping
Dell HD 6350 AMD Radeon Graphics Card With Low Profile Bracket and DMS-59 Port
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DELL
Dell HD 6350 AMD Radeon Graphics Card With Low Profile Bracket and DMS-59 Port
  • Model #: 32026232225854
  •  
  • $69.00 –
  • Free Shipping
EPOS USB To RJ9 Adaptor Cable
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EPOS USB To RJ9 Adaptor Cable
  • Model #: 1000823
  •  
  • $58.93 –
  • Free Shipping
Coolgear Industrial Ethernet to CAN Bus Adapter, 1 Port with ESD Protection and Remote Configuration
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Coolgear Industrial Ethernet to CAN Bus Adapter, 1 Port with ESD Protection and Remote Configuration
  • Color: Black/Green
  • Changer Type: USB to Ethernet
  • Model #: NCAN-1
  •  
  • $128.49 –
  • $3.99 Shipping
Coolgear 1 Port USB to CAN Bus 1Mbps Speed w/Metal Case - CG-1PRTMCAN
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Coolgear 1 Port USB to CAN Bus 1Mbps Speed w/Metal Case - CG-1PRTMCAN
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: 045079161160
  •  
  • $107.49 –
  • $3.99 Shipping
SerialGear USB to Dual Serial RS-422/RS-485 Port Mountable Converter
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SerialGear USB to Dual Serial RS-422/RS-485 Port Mountable Converter
  • Model #: USB-2COMi
  •  
  • $76.99 –
  • $3.99 Shipping
ATI FirePro V5900 2GB DDR5 DVI/2DisplayPort PCI-Express Video Card
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ATI FirePro V5900 2GB DDR5 DVI/2DisplayPort PCI-Express Video Card
  • Model #: 32026185334846
  •  
  • $233.00 –
  • Free Shipping
Coolgear 4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply - CG-UHS4P485
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Coolgear 4 Port USB to RS485 High Speed Adapter w/12V DC Power Supply - CG-UHS4P485
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: 045079161191
  •  
  • $165.29 –
  • $5.99 Shipping
Coolgear Industrial-Grade RS-232 / RS-422 / RS-485 to USB Adapter Isolated, Surge-Protected, Plug & Play
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Coolgear Industrial-Grade RS-232 / RS-422 / RS-485 to USB Adapter Isolated, Surge-Protected, Plug & Play
  • Color: Gray
  • Changer Type: USB to DB9 (RS-232)
  • Connector A: 1x USB 2.0 Type B female
  • Connector B: 1x DB-9 male
  • Model #: CG-USBISOCOM-PRO
  •  
  • $142.49 –
  • $3.99 Shipping
Alogic MagForce DUO 2-in-1 Adapter ULCHDASGR
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Alogic MagForce DUO 2-in-1 Adapter ULCHDASGR
  • Brand: Alogic
  • Model #:
Gearmo Industrial USB 4 Port Serial RS-232 adapter w/FTDI Chipset, COM Retention, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
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Gearmo Industrial USB 4 Port Serial RS-232 adapter w/FTDI Chipset, COM Retention, RX/TX LED Indicators, DIN Rail Mount Bracket, & Surface Mounting Brackets
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: GM-FTDI4X-M
  •  
  • $94.99 –
  • $5.99 Shipping
SERIALGEAR Industrial 8-Port DB9 RS232 to USB Adapter with FTDI Chip 921.6Kbps
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SERIALGEAR Industrial 8-Port DB9 RS232 to USB Adapter with FTDI Chip 921.6Kbps
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: CS-42082
  •  
  • $203.99 –
  • $5.99 Shipping
2 Pack USB 3.0 (Type-A) Male to USB3.1 (Type-C) Male Connector Converter Adapter ,USB3.0 A Male to Type C Male Adaptor
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2 Pack USB 3.0 (Type-A) Male to USB3.1 (Type-C) Male Connector Converter Adapter ,USB3.0 A Male to Type C Male Adaptor
  • Model #: B06XKCP321
  •  
  • $9.99 –
  • Free Shipping
  • $6.99 - $9.99
Out of Stock

Bestselling USB Converters Reviews:

Joseph R.
2/7/2026 10:08:02 PM
Cheap and do work as intended

“ Love these for my mouses, controllers, and other usb connections since the last two EVOCs don't have the regular USB slots. ”

USB C Adapter (8 Pack) USB C Male to USB Female Converter USB 3.0 Male to Type C Female Extender Connector
Robert D.
1/20/2026 5:41:43 PM
Expensive but quality

“ - highest quality usb ? sata adapter that i have tested ”

StarTech USB3S2SAT3CB USB 3.0 to 2.5" SATA III Hard Drive Adapter Cable w/ UASP - SATA to USB 3.0 Converter for SSD/HDD - Hard Drive Adapter Cable
Steven N.
7/23/2024 2:35:59 PM
Great product, best thing to keep with your computer and cell phone

“ best thing to have in emergency these days with usb connectors changing so often ”

USB C Mini Adapter (4 Pack), JIMTAB USB C to USB 3.0, High-Speed Data Transfer, USB-C to USB Female Adapter for MacBook Pro 2023, iPad Pro 2023, Samsung Galaxy Book, Dell XPS and More Type C Devices
Anonymous
4/12/2024 5:17:53 AM
Problem solved

“ I use these adapters quite regularly and keep them accessible at all times. ”

USB C Mini Adapter (4 Pack), JIMTAB USB C to USB 3.0, High-Speed Data Transfer, USB-C to USB Female Adapter for MacBook Pro 2023, iPad Pro 2023, Samsung Galaxy Book, Dell XPS and More Type C Devices
Anonymous
4/7/2024 6:17:59 PM
So Useful

“ Anyway, this adapter has been a lifesaver, as using the headphone is a must in a crowded office environment if I don't want to be the target of the ire of all my coworkers. ”

USB C Mini Adapter (4 Pack), JIMTAB USB C to USB 3.0, High-Speed Data Transfer, USB-C to USB Female Adapter for MacBook Pro 2023, iPad Pro 2023, Samsung Galaxy Book, Dell XPS and More Type C Devices
John
12/15/2023 9:45:27 PM
USB to USBC adapter

“ With this adapter, it allows me to connect my phone and tablet to a USB port. I was surprise that I received two USB TO USBC adapters when I only expected one. ”

USB C to USB Adapter, Hannord USB C to USB 3.0 Adapter, Aluminium Alloy Nylon Braid USB Type C to USB Female Adapter OTG Cable Compatible with iPad Air 2020, MacBook Pro, Air and More (Black, 2 Pack)
Phillip S.
10/31/2023 2:06:09 PM
Very Nice External Drive Adapter

“ This Adapter has ample cable length to attach to most any USB port and is reverse compatible with older USB ports. ”

StarTech USB3S2SAT3CB USB 3.0 to 2.5" SATA III Hard Drive Adapter Cable w/ UASP - SATA to USB 3.0 Converter for SSD/HDD - Hard Drive Adapter Cable