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Coolgear 50W PoE to USB-C PD Power Adapter, 802.3 BT Compliant - CG-PoE-CESBT
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  • $110.18 
  • $3.99 Shipping
Coolgear Single Port USB to CAN Bus 3FT Adapter Support Windows 10 - CG-1PRTCANB
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Coolgear Single Port USB to CAN Bus 3FT Adapter Support Windows 10 - CG-1PRTCANB
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: 045079161139
  •  
  • $79.49 
  • $3.99 Shipping
B&B USO9ML2 Serial Adapter
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B&B USO9ML2 Serial Adapter
  • Changer Type: USB/Serial
  • Specifications: Connector on Second End:1 x 4-pin Type B Female USB 2.0 USB Connector on First End:1 x 9-pin DB-9 Male RS-232 Serial
  • Parts: 5 Year
  • Model #: USO9ML2
  •  
  • $145.55 
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
ATI FirePro V5900 2GB DDR5 DVI/2DisplayPort PCI-Express Video Card
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  • $233.00 
  • Free Shipping
EPOS USB To RJ9 Adaptor Cable
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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 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
Coolgear Industrial Ethernet to CAN Bus Adapter, 2 Ports with Multi-Mode Operation and Advanced ESD Protection
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  • $172.49 
  • $3.99 Shipping
Coolgear 2-Port USB to CAN Bus Adapter, DIN-Rail & Wall Mountable Metal Case
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  • $155.49 
  • $3.99 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
  •  
  • $144.99 
  • $3.99 Shipping
Coolgear USB to CAN Bus Adapter with Galvanic Isolation in Metal Case - CG-1PMGICAN
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Coolgear USB to CAN Bus Adapter with Galvanic Isolation in Metal Case - CG-1PMGICAN
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: 045079161146
  •  
  • $134.49 
  • $3.99 Shipping
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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  • $92.03 
  • $5.99 Shipping
Coolgear USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
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Coolgear USB 2.0 to 4-Port RS232-422-485 Serial TB Adapter Isolation | Surge
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USB2-4COMi-SI-TB
  •  
  • $261.49 
  • $5.99 Shipping
OBSBOT UVC to HDMI Plug & Play Adapter with 5-Inch USB-C Cable
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  • $161.27 
SerialGear USB to Dual Serial RS-422/RS-485 Port Mountable Converter
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  • $76.99 
  • $3.99 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
  •  
  • $196.99 
  • $5.99 Shipping
Coolgear 2 Port USB to RS-422 /485 Optical Isolated Adapter
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Coolgear 2 Port USB to RS-422 /485 Optical Isolated Adapter
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USBG-2COMi-SI-M
  •  
  • $185.29 
  • $5.99 Shipping
Coolgear 1-Port USB to CAN FD ISO Adapter
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Coolgear 1-Port USB to CAN FD ISO Adapter
  • Package Content: Adapter, USB Cable
  • Model #: CG-UCAN-1221
  •  
  • $215.29 
  • $3.99 Shipping
3x SanDisk Cruzer Blade USB Flash Drive - 64GB (Red)
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  • $43.99 
  • Free Shipping
Coolgear USB2 to 8-Port RS232-422-485 Serial TB Adapter
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Coolgear USB2 to 8-Port RS232-422-485 Serial TB Adapter
  • Color: Black
  • Changer Type: USB to DB9 (RS-232)
  • Model #: USB2-8COMi-TB
  •  
  • $328.29 
  • $5.99 Shipping
Digi International 301-1002-18 Edgeport USB To RS232 Eight Port Server
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  • $249.00 
  • $15.00 Shipping
SYBA SY-ADA20188 USB 3.0 Type-A Female to USB3.1 Type-C male
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SYBA SY-ADA20188 USB 3.0 Type-A Female to USB3.1 Type-C male
  • Type: USB 3.0 Type-A Female to USB3.1 Type-C male
  • Color: Black
  • Specifications: Connect your USB3 devices to the new USB3.1 ports without having to purchase new cables. Quickly and easily connect devices to the system for greater compatibility.
  • Model #: SY-ADA20188
TRANSITION NETWORKS TN-USB3-SX-01(LC) USB3.0 TO 1000BASE-SX
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TRANSITION NETWORKS TN-USB3-SX-01(LC) USB3.0 TO 1000BASE-SX
  • Type: USB 3.0 to Gigabit Ethernet Fiber Adapter
  • Color: Black
  • Connector A: 1x USB 3.0 male
  • Connector B: 1000Base-SX LC
  • Model #: TN-USB3-SX-01(LC)
  • $316.01 - $319.26
5x SanDisk Cruzer Blade USB Flash Drive - 64GB (Red)
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  • $70.99 
  • Free Shipping
3x SanDisk Cruzer Blade USB Flash Drive - 128GB (Red)
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  • $63.99 
  • Free Shipping
452-BCZF USB-C to 4K Port Universal Docking Station
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5x SanDisk Cruzer Blade USB Flash Drive - 128GB (Red)
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  • $105.99 
  • Free Shipping
8x SanDisk Cruzer Blade USB Flash Drive - 128GB (Red)
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  •  
  • $164.99 
  • Free Shipping

Bestselling USB Converters Reviews:

Anonymous
2/12/2026 7:04:14 AM
Order matters

“ I recently switched a 3TB 3.5" HDD I use for backup from dos to gpt disklabel because it didn't work with one of my USB to SATA adapters (the drive did work with an older adapter). ”

Nippon Labs NL-ST0038 USB 3.0 to SATA Converter Adapter for 2.5" and 3.5" HDD with Power Adapter, Black
Robert D.
1/20/2026 5:41:43 PM
Expensive but quality

“ - highest quality usb ? sata adapter that i have tested I would recommend this product, even despite its high price, due to its equally high quality ”

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
Dan W.
5/22/2024 5:35:54 PM
For Solid State Drives (SSD) .. not for an HDD that requires 12 Volts

“ Used for an external Samsung EVO500GB SSD (SATA) and USB 3.0 PC socket. ”

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
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

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

“ I saw the pricing and feature set for this USB 3.0 adapter more than met my requirements. ”

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