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StarTech.com USB to Serial Adapter - 3 ft / 1m - with DB9 to DB25 Pin Adapter - Prolific PL-2303 - USB to RS232 Adapter Cable
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StarTech.com USB to Serial Adapter - 3 ft / 1m - with DB9 to DB25 Pin Adapter - Prolific PL-2303 - USB to RS232 Adapter Cable

4.4/5
Product ID: 6220768
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Details

  • Compatible Devices
    Laptop
  • Specific Uses For Product
    personal
  • Connector Type
    USB Type A
  • Color
    Gray
  • Item dimensions L x W x H
    0.27 x 0.06 x
Max baud rate 230.4 Kbps for fast data transfer
🔌3ft cable length for flexible setups
🖥️Prolific PL-2303 chipset ensures broad OS compatibility

Description

🔗 Bridge the gap between legacy tech and today’s systems with confidence!

  • SECURE STABLE - Screw-lock nuts on DB9/DB25 connectors guarantee a rock-solid connection
  • LEGACY MEETS MODERN - Seamlessly connect RS232 devices to USB ports without missing a beat
  • PRO GRADE RELIABILITY - Backed by 2-year warranty and 24/5 multilingual tech support—because downtime isn’t an option
  • VERSATILE APPLICATIONS - Perfect for IT pros managing barcode scanners, network switches, medical devices, and more
  • UNIVERSAL COMPATIBILITY - Works flawlessly with Windows, macOS, and Linux for cross-platform peace of mind

The StarTech.com USB to Serial Adapter is a 3ft cable solution featuring a Prolific PL-2303 chipset that enables reliable USB to RS232 serial connections. Supporting DB9 and DB25 connectors with screw-lock nuts, it offers a max baud rate of 230.4 Kbps and broad OS compatibility (Windows, macOS, Linux). Ideal for IT professionals, it supports diverse serial devices across industrial, medical, and logistics environments, backed by a 2-year warranty and dedicated technical support.

Specifications

Recommended Uses For ProductIndoor/Outdoor
Indoor Outdoor UsageOutdoor, Indoor
Specification MetNo
Connectivity TechnologyUSB
Number of Pins25, 9
Data Transfer Rate12 Megabits Per Second
Connector GenderMale-to-Male
Cable TypeUSB
Compatible DevicesLaptop
Connector TypeUSB Type A
Special Featuresdata transfer
Outer MaterialPlastic
Item ShapeRound
ColorGray
Item Weight0.08 Kilograms
Number of Items1
Unit Count1.0 Count

Reviews

4.4

All from verified purchases

J**G

It does it's job for DB9 and even has an adapter for DB25

This cable works as intended, nothing fancy about it. It is just a 9-Pin Serial to USB cable, with a 25-Pin Parallel adapter. Didn't use the adapter, but I am sure it works fine. These cables either work or they don't, and there ain't much to go wrong. Installation was pretty simple, just had to plug it in, run the setup .EXE on the disk and it did it's thing. I needed this to link up to a Cisco 1710 Modular Access Router, and this worked perfect to bridge the connection from the Com to Serial cable over to USB since the computer I was using didn't have a Serial port. IMHO it was worth the $13 or so I paid for this.

C**T

Purchased for a programming project, and works well - with one caveat

Purchased this cable to connect from a Serial port to record testing data and update a customer's database.This cable works fantastic with only 1 minor annoyance. I have noticed while developing and testing my program, this cable sometimes requires the drivers to be loaded on some pcs while on others have auto-detected. All so far have been Win 7 machines. Pretty quick fix by installing the drivers (which were not included on my CD - mine was for another product/cable altogether) from the StarTech.com site.This was by far the easiest step of the project, so despite the minor annoyance I am keeping it as 5 stars because it certainly works as intended for an inexpensive price. I am ordering another as a spare for myself for future mods and/or other customers with similar needs.

D**L

Hi

Works great

D**W

Works well for connecting Apple IIe to Linux

I use this cable to connect my Apple IIe to my Linux desktop using ADTPro. It allows me to easily transfer disk images to the Apple IIe to write them to disk and to back up my old disks to preserve them. Setup was very simple, just plug it in and follow the directions on adtpro.com and I was good to go. Very happy with this purchase.

D**M

Works great, but...

This didn't work at all when I plugged it into a USB hub. It worked great when plugged directly into the computer's USB port.

H**3

Works excellent. I am using it for a amateur radio ...

Just as advertised. Works excellent. I am using it for a amateur radio packet system. I have a KPC1 connected to a Kenwood TMG-707. This is running on a Windows XP machine. I didn't use the driver cd that came with it. I have some Chinese radios that needed to be programmed and I got an older Prolific driver from a Yahoo group. I know it seems the Prolific can be more "iffy" than ftdi but since I have an older driver it works excellent. I would definitely recommend this product.

H**R

No luck with vista

Our IT tried and I tried but no luck to get the driver installed on Vista. There is a warning in the driver manual that says that the message I’m getting could be due to a counterfeit cable and to contact the manufacturer.

R**R

Works with Windows 11

Much to my surprise this worked with Windows 11 on my surface laptop.All my older adapters failed to make it from W10 to W11. And were rejected.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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