StarTech.com
StarTech.com 1ft (30cm) 1-Port Professional USB to Serial Adapter Cable with COM Retention
Bottom line: The StarTech.com 1ft 1-Port Professional USB to Serial Adapter Cable is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $42.68 on Amazon as of 2026-10-22 16:24 UTC. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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*Price sourced from Amazon.com. Last updated 2026-10-22. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Backed by StarTech.com's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
The ICUSB2321X Professional grade USB Serial Adapter cable converts a USB 2.0 port into an RS232 serial port allowing you to connect to, monitor and control your serial devices. A durable, single cable design makes this the perfect solution for mobile technicians/administrators that require serial connectivity. Once connected, the USB to serial adapter retains assigned serial COM port values, allowing the same values to automatically be re-assigned to the port provided by the adapter in the event it is disconnected, then re-connected to the host computer. This innovative adapter offers a…
SpecPicks Verdict
SpecPicks scored StarTech.com 1ft 1-Port Professional USB to Serial Adapter Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. StarTech.com's expansion cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- USB TO SERIAL: Easily connect serial RS232 (DB9) devices to a Windows computer with this USB to serial adapter; COM retention between reboots
- WINDOWS ONLY: This USB to Serial adapter is only compatible with Windows and does not support macOS, ChromeOS, Linux; You need administrator privileges to install the required drivers; Windows 8.1 and up only supported by REV 2
- MULTI-USE FUNCTIONALITY: This versatile USB to serial RS232 adapter is perfect for a range of applications, from digital signage to connecting point-of-sale systems and barcode scanners
- EASY INSTALLATION: This serial adapter ensures easy installation and operation with COM port retention that provides robust serial connectivity for legacy devices
- TECH SPECS: 12-inches (30cm); Texas Instruments TIUSB3410 Chipset; Max Baud Rate: 230.4 Kbps; 32 Bytes FIFO; Dual buffers for upstream and downstream data transfer; TAA Compliant
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Black |
| Finish | Matte |
| Unit Count | 1.0 Count |
| Connectivity | USB |
| Model Number | ICUSB2321X |
| Compatibility | Mac, Linux |
| USB TO SERIAL | Easily connect serial RS232 (DB9) devices to a Windows computer with this USB to serial adapter; COM retention between reboots |
| Warranty Type | Lifetime |
| Connector Type | Serial/USB |
| Item Type Name | Data Transfer Cable |
| Item Dimensions | 12 x 1.4 x 0.5 inches |
| Mfr Part Number | ICUSB2321X |
| Number of Items | 1 |
| Number of Ports | 1 |
| Power Plug Type | No Plug |
| EASY INSTALLATION | This serial adapter ensures easy installation and operation with COM port retention that provides robust serial connectivity for legacy devices |
| Compatible Devices | Laptop, Modem, Monitor, Scanner |
| Warranty Description | 2 Year |
| Smart Home Compatibility | Not Smart Home Compatible |
| Full listing title | StarTech.com 1ft (30cm) 1-Port Professional USB to Serial Adapter Cable with COM Retention, USB to RS232 Adapter - TAA |
Ready to buy?
StarTech.com 1ft (30cm) 1-Port Professional USB to Serial Adapter Cable with COM Retention, USB to RS232 Adapter - TAA is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-22. Price and availability subject to change.
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