StarTech 6ft (1.8m) 1-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter - TAA
As an Amazon Associate, SpecPicks earns from qualifying purchases.
*Price sourced from Amazon.com. Last updated 2026-04-20. 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. Compare close alternatives 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 scored StarTech 6ft (1.8m) 1-Port FTDI USB to Serial RS232 Adapter Cable… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the keyboards & mice category. StarTech.com's keyboards & mice lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.
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 |
| 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 | Monitor |
| Warranty Description | 2 year warranty |
| CUSTOMIZABLE SOLUTION | This USB serial hub features an FTDI chipset, making it highly customizable and compatible, and the ideal solution for any setup |
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 sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.
Related Keyboards & Mice
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- How to Build a Windows 98 Retro PC in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Intel Plans Two 22-Core Nova Lake-S SKUs With Game-Boosting Cache
- Raspberry Pi 5 Kit: What's Actually Worth Buying in 2025
- pxpipe: Hide Text in PNGs to Cut Claude Code Token Costs up to 70%
- Best Budget SATA SSD for Gaming PC Builds in 2026: 5 Picks Tested for Steam Library Speed
- Crucial BX500 vs SanDisk SSD Plus vs WD Blue: Best Budget SATA SSD for a Boot Drive
- Is the RTX 3060 12GB Still the Best Sub-$400 AI Card in 2026?
- Build a Retro Emulation Cabinet Brain on a Pi 4 8GB in 2026
- Is the RTX 3060 12GB Still Worth It for 1080p Gaming in 2026?
- Self-Host Immich on a Budget Homelab Box: Storage Tiers That Make Sense
- IPEX-LLM + Ollama on Intel Arc: Setup, tok/s, and the RTX 3060 Reality Check
- Flux.2-Klein Pipeline: Real-Time Webcam AI at 30 FPS
- Did Anyone Actually Ditch iCloud or Google One for Self-Hosting?
- Build a Jellyfin Media Server on a Raspberry Pi 4 8GB in 2026
- DeepSWE vs SWE-Bench Pro: The Coding-Agent Benchmark Shakeup
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- Building a Period-Correct 2001 GeForce 3 Windows 98 SE Rig — With a CompactFlash Boot Drive
- Forza Horizon 6 on Steam Deck: How Well Does It Run?
- Best AM4 CPU for 1080p Gaming in 2026: 5 Value Picks
- Best CPU Cooler for AM5 Ryzen 9 Overclocking (2026)
- Logitech G29 vs HORI vs Thrustmaster: Best Sim Racing Wheel for Beginners
- NVIDIA Bankrolls AI Startups to Tighten Its Chip Grip
- Best Gaming Desk Setup Essentials in 2026: 5 Picks
- Sound BlasterX G6 on a Retro Windows XP Rig: USB Audio for Period-Correct Builds
- Best Local LLM for Coding Agents on a 24GB GPU (Late 2026)
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090