StarTech.com
StarTech 3ft 1-Port USB to Serial Cable, Prolific (ICUSB232DB25)
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The StarTech 3ft 1-Port USB to Serial Cable, Prolific (ICUSB232DB25) is a niche pick — read recent reviews before buying in the expansion cards category, priced around $19.95. Read recent reviews carefully before committing.
The ICUSB232DB25 USB to RS232 DB9/DB25 Serial Adapter Cable (M/M) lets you connect 9-pin (DB9) or 25-pin (DB25) RS232 serial devices to your laptop or desktop computer through a USB port, as though the computer offered an onboard serial port. The integrated 3-foot (0.9 meter) cable allows it to be connected directly from the serial device to the computer without requiring additional cables. A cost-effective solution that bridges the compatibility gap between modern computers and legacy serial peripherals, this high quality USB/RS232 Serial Adapter cable ships with a DB-9 to DB-25 adapter for…
SpecPicks Verdict
SpecPicks classifies StarTech 3ft 1-Port USB to Serial Cable, Prolific (ICUSB232DB25) as a niche pick — read recent reviews before buying in the expansion cards category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. StarTech.com's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for expansion cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by StarTech.com's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- USB TO SERIAL: Connect serial RS232 (DB9 or DB25) devices to a computer with this USB to serial adapter. Secure the cable using the screw-lock nuts located on the male serial DB9/DB25 connector; Reach peripherals with extended cable length 3ft (91cm)
- DEVICE COMPATIBILITY: Use this USB to RS232 serial adapter to reliably connect, configure, and monitor serial devices; Compatible with barcode readers / scanners, network switches, receipt printers, PLCs, medical devices, oscilloscopes, scales, etc.
- APPLICATIONS:This USB to serial cable is ideal for IT applications such as server rooms, industrial control/automation, logistics, POS, AV installations, laboratories, etc; Continue using legacy hardware with modern systems, using this USB to RS232 cable
- USB TO SERIAL ADAPTER SPECS: 3ft (91cm) Cable Length; Max Baud 230.4 Kbps; 512 Byte FIFO; Supports Windows, macOS, and Linux; Prolific PL2303GC Chipset; Odd/Even/Mark/Space/None Parity Modes; 4/5/6/7/8 Data Bits
- THE IT PRO'S CHOICE: Designed and built for IT Professionals, this USB to serial port adapter is backed for 2-years, including free lifetime 24/5 multilingual technical assistance
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Gray |
| Finish | Grey |
| Unit Count | 1.0 Count |
| Connectivity | USB |
| Model Number | ICUSB232DB25 |
| Compatibility | Mac, Linux |
| Warranty Type | Limited |
| Built-In Media | StarTech 3' USB to RS232 DB9 Serial Adapter Cable with DB25 Adapter |
| Connector Type | USB Type A |
| Item Dimensions | 6.89 x 1.48 x 5.41 inches |
| Mfr Part Number | ICUSB232DB25 |
| Number of Items | 1 |
| Number of Ports | 1 |
Ready to buy?
StarTech 3ft 1-Port USB to Serial Cable, Prolific (ICUSB232DB25) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
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