StarTech 6ft (1.8m) 1-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter - TAA
*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.
Bottom line: The StarTech 6ft (1.8m) 1-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter - TAA is a niche pick — read recent reviews before buying in the keyboards & mice category, priced around $37.99. Read recent reviews carefully before committing.
The 1-Port USB to Serial RS232 Adapter Cable with FTDI chipset and COM Retention converts an available USB 1.1 or 2.0 port into an RS232 serial DB9 port to connect, monitor and control your serial devices. This compact adapter features COM retention, allowing the same COM port value to automatically be re-assigned to the port if the cable is disconnected and re-connected to the host computer, or if the system is rebooted. The Serial RS232 Adapter Cable uses the FTDI chipset which supports additional customization, advanced features, and compatibility not necessarily offered by other…
SpecPicks Verdict
SpecPicks classifies StarTech 6ft (1.8m) 1-Port FTDI USB to Serial RS232 Adapter Cable… as a niche pick — read recent reviews before buying in the keyboards & mice 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 keyboards & mice 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
- 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
- CUSTOMIZABLE SOLUTION: This USB serial hub features an FTDI chipset, making it highly customizable and compatible, and the ideal solution for any setup
- COMPACT DESIGN: Designed with a small form factor, this serial RS232 converter is USB powered and requires no bulky power adapters or an outlet
- EASY INSTALLATION: This serial adapter ensures easy installation and operation with COM port retention that provides robust serial connectivity for legacy devices
- TECH SPECS: 6 feet (1.8 meters); FTDI FT232RL Chipset; Max Baud Rate: 115.2 Kbps; 256 Bytes FIFO; None/Odd/Even/Mark Parity Modes; 7 or 8 Data Bits; 1 or 2 Stop bits; TAA Compliant
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Black |
| Finish | Matte |
| Unit Count | 1.0 Count |
| Connectivity | USB |
| Model Number | ICUSB2321F |
| Nominal Power | 2.5 Watts |
| Warranty Type | Limited |
| Built-In Media | StarTech.com USB to Serial Adapter |
| COMPACT DESIGN | Designed with a small form factor, this serial RS232 converter is USB powered and requires no bulky power adapters or an outlet |
| Connector Type | DB-9, USB Type A |
| Item Dimensions | 72 x 1.6 x 0.9 inches |
| Mfr Part Number | ICUSB2321F |
| Number of Items | 1 |
Ready to buy?
StarTech 6ft (1.8m) 1-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter - TAA 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 2026-07-07. Price and availability subject to change.
Related Keyboards & Mice
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- How to Build a Windows 98 Retro PC in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best 1440p Gaming GPUs in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Best Retro Handhelds in 2026 — From $35 to $500
More reviews from the SpecPicks archive
Browse all reviews →- A 180Hz 1440p Gaming Monitor at Entry-Level Pricing — How It Stacks Against Our 4K Picks
- Per-Model GPU VRAM Requirements for Local LLMs in 2026
- Build a DualSense PC Dongle with a Raspberry Pi Pico: Adaptive Triggers and Haptics on Windows
- Best 27-Inch 4K Gaming Monitor: KOORUI QD-Mini LED vs Samsung Odyssey
- OpenAI Codex Now Drives Windows Autonomously: What It Means for Local AI Rigs
- Ryzen 7 9800X3D vs Ryzen 9 9900X3D: Which Zen 5 X3D Chip Wins in 2026?
- Best Game Controller for Couch & Big-Screen PC Gaming in 2026
- SANSUI vs KOORUI 27" 4K: Which Budget 4K Gaming Monitor Wins?
- Troubleshooting Voodoo 5 5500 PCI Driver Hangs on Windows 98 SE: Field Guide
- AMD RX 9070 XT Hits All-Time Low $629 in Amazon Lightning Sale
- Running a 3dfx Voodoo5 5500 PCI in a Modern Board in 2026
- When OpenAI Retires a Model: Build a Local RTX 3060 Hedge
- Asus ROG Harpe II Extreme Brings a 65K-DPI Sensor — and a Gold Price Tag
- Best Budget Gaming Mouse Pad for Esports in 2026
- Jetson Orin Nano Super for ROS 2 Robotics: Build Guide + Real Latency Numbers
- Somebody Booted Linux on a Sega Genesis — Here's the Catch
- Best CPU for Streaming and Gaming on a Single PC in 2026
- Cosmos3-Super on an RTX 3060 12GB: Can the #1 Open-Weights Image Model Run Local?
- GPT-5.6 Sol Ships Under Government Access OpenAI Calls Unsustainable
- Sega Genesis Loads Games From a Vinyl Record in Viral Retro Hack
- ASUS ROG Zephyrus G1 OLED RTX 5070 Drops $575 This Week — Is It the Right Buy?
- Ollama vs llama.cpp on a 12GB GPU: Which Is Faster for Single-User Chat?
- Noctua NH-U12S vs DeepCool AK620 on Ryzen in 2026: Honest Pick
- Best SATA SSD for the PS4 Pro in 2026 (Cheap Speed Upgrade)