StarTech.com 6ft (1.8m) 1-Port USB to Serial RS232 Adapter
Bottom line: The StarTech.com 6ft 1-Port USB to Serial RS232 Adapter: FTDI FT232RL chipset avoids the driver headaches of Prolific clones.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ FTDI FT232RL chipset avoids the driver headaches of Prolific clones
- ✓ Null modem DCE wiring fixes DTE/DCE conflicts with no extra adapter
- ✓ 921.6 Kbps max baud covers fast legacy serial transfers
- ✓ 256-byte FIFO buffer reduces dropped bytes on long sessions
Cons
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
The StarTech.com ICUSB232FTN is a 6ft (1.8m) USB to serial RS232 adapter cable built around the FTDI FT232RL chipset, wired as a null modem DCE device so you can resolve DTE/DCE conflicts without stacking a separate null modem adapter in line. That single-cable design matters on a crowded retro bench: one run from a USB 2.0 port to the DB9 header on a vintage PC, switch, router console, or industrial controller. The FTDI silicon is the reason to pick this over generic Prolific clones, since FTDI drivers ship with or install cleanly on Windows, macOS, and Linux, and it carries 256 bytes of…
SpecPicks Verdict
SpecPicks scored StarTech.com 6ft 1-Port USB to Serial RS232 Adapter using a rating × review-volume × price-fit model applied to published specs and reviews 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. 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 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 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
- MAXIMIZED PORTABILITY: This USB to serial RS232 adapter with FTDI features a single cable design removing the need for additional adapters and cables
- CORRECT DTE/DCE CONFLICTS: Convert your available USB port into a null modem RS232 DB9 serial port, resolving any DTE/DCE conflicts
- BROAD COMPATIBILITY: Compatible with your USB 1.0 or 2.0 ports, this RS232 converter works with your Windows, Mac or Linux systems
- FAST TRANSFER SPEEDS: Experience fast speeds with this serial adapter, supporting a Baud Rate up to 921.6Kbps
- TECH SPECS: 6 feet (1.8 meters); FTDI FT232RL Chipset; Max Baud Rate: 921.6 Kbps; 256 Bytes FIFO; None/Odd/Even/Mark/Space Parity Modes; 7 or 8 Data Bits; 1 or 2 Stop bits; TAA Compliant
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Black |
| Connectivity | USB |
| Compatibility | Mac, Linux |
| Connector Type | Serial/USB |
| Compatible Devices | Bar Code Reader, Monitor, Printer, Satellite Receiver, Tablet PC |
| BROAD COMPATIBILITY | Compatible with your USB 1.0 or 2.0 ports, this RS232 converter works with your Windows, Mac or Linux systems |
| FAST TRANSFER SPEEDS | Experience fast speeds with this serial adapter, supporting a Baud Rate up to 921.6Kbps |
| MAXIMIZED PORTABILITY | This USB to serial RS232 adapter with FTDI features a single cable design removing the need for additional adapters and cables |
| CORRECT DTE/DCE CONFLICTS | Convert your available USB port into a null modem RS232 DB9 serial port, resolving any DTE/DCE conflicts |
| Item dimensions L x W x H | 70.9 x 1.3 x 0.6 inches |
| Specific Uses For Product | personal |
| Full listing title | StarTech.com 6ft (1.8m) 1-Port USB to Serial RS232 Adapter, FTDI DB9 Serial DCE Adapter Cable, Null Modem, USB 2.0 - TAA |
Ready to buy?
StarTech.com 6ft (1.8m) 1-Port USB to Serial RS232 Adapter, FTDI DB9 Serial DCE Adapter Cable, Null Modem, USB 2.0 - 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.
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 Retro Handhelds in 2026 — From $35 to $500
- 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
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
More reviews from the SpecPicks archive
Browse all reviews →- Steam Deck OLED vs ROG Xbox Ally X: 2026 Comparison
- Using an LLM to Fix Win98 Voodoo & TNT Driver Installs
- Why AI Memory Bandwidth Matters: From Micron's HBM to Your GDDR6
- Xbox Mode's PC Performance Boost Favors Nvidia GPUs
- MicroPython Now Runs on the Super Nintendo — On Real Hardware
- Building a Period-Correct 1999 Quake III Arena LAN Rig: Voodoo3, Pentium III, and Win98 SE
- Raspberry Pi 5 16GB Ships — Is the Pi 4 8GB Still Worth It?
- 007: First Light Is Great on Steam Deck
- Best GPU for AI code generation in 2026
- Grok 4.3 vs GPT-5 vs Claude 4.7: Local Hardware Implications of the Closed-Model Intelligence Index
- Dual RTX 3090 LLM Training: 2026 Benchmarks & Build Guide
- Raspberry Pi 4 8GB vs Pi 5 for a 2026 Homelab: Is the Pi 4 Still Worth It?
- Best CPU Cooler for the Ryzen 7 5800X: Air vs AIO in 2026
- Microsoft's SkillOpt Boosts GPT-5.5 With Just a Trained Markdown File
- Pentium 4 + Radeon 9700 Pro Windows XP Build in 2026
- How to Fix a Raspberry Pi 5 That Won't Boot: Power, microSD, and Display Diagnostics
- vLLM vs llama.cpp for Single-User Local Chat on a 12GB GPU
- Kimi K2.7 Code Is 12x Cheaper Than GPT-5.5 — Run It Local?
- Best Retro PC Storage Adapters in 2026: IDE, SATA & CompactFlash Picks
- Qwen3.7-Plus Goes Agentic: Cloud Model vs Your Local 12GB Rig
- Open Weights Are Reshaping Agentic Coding: A 2026 Local-Rig Reality Check
- RTX 4090 AI TOPS in 2026: What the Number Means
- Qwen 3.6 35B-A3B on RTX 3060 12GB: Local LLM Throughput Guide (2026)
- Raspberry Pi AI HAT+ 2: 40 TOPS Hailo-10H Specs and Verdict
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