Gearmo 4 Port RS-232 to USB Adapter with LED Indicators, 5ft Length, FTDI Chipset, ESD Protection, Windows/macOS/Linux Compatible
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies Gearmo 4 Port RS-232 to USB Adapter with LED Indicators, 5ft Length,… as a category leader on buyer feedback in the joysticks & game port category, based on 13 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Gearmo's positioning sits comfortably above the category median. 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 joysticks & game port 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
- ✓ Highly rated — 4.9★ average across customer reviews
- ✓ Backed by Gearmo's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ 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
- [ QUAD PORT RS232 SERIAL TO USB ADAPTER ] : 5ft Total Length: Easily connect multiple DB9 serial devices to modern USB-equipped computers. Uses include industrial, lab, and point-of-sale applications.
- [ INDUSTRIAL READY ] : Equipped with 15kV ESD isolation, and baud rates up to 921.600bps. Transmit (TX) and Receive (RX) LED indicators for each DB9 connection offers quick and easy testing of RS-232 host-to-device connections in critical operations.
- [ EASY INSTALLATION ] : Plug-and-play USB interface with COM port retention for consistent, reliable serial connections. No external power supply required - just connect and go.
- [ WIDE COMPATIBILITY ] : Built with an FTDI Chipset that supports an automatic handshake. Works seamlessly with Windows 7, 8, 10, 11, Linux, and macOS 10.X.
- [ WHY Gearmo? ] : Your trusted partner based in the USA, providing advanced engineering and reliable products to handle the most demanding industries for over 10 years.
- [ ENGINEERING SUPPORT ] : Need specs? Contact us for CAD files, mechanical drawings, or datasheets to support your integration or project needs.
Full Specifications
| Brand | Gearmo |
|---|---|
| Color | Black |
| Finish | Matte |
| Unit Count | 1 Count |
| Connectivity | USB |
| Model Number | GM-FTDI4X-LED |
| Compatibility | Mac, Linux |
| Input Voltage | 5 Volts |
| Warranty Type | Limited |
| Connector Type | DB9 RS-232 |
| Current Rating | 15 Amps |
| Mfr Part Number | GM-FTDI4X-LED |
| Number of Items | 1 |
| Number of Ports | 4 |
Ready to buy?
Gearmo 4 Port RS-232 to USB Adapter with LED Indicators, 5ft Length, FTDI Chipset, ESD Protection, Windows/macOS/Linux Compatible 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 2026-05-12. Price and availability subject to change.