DTECH
DTECH USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port
Bottom line: The DTECH USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM ($22.98 on Amazon as of 2026-10-06): Genuine FTDI FT232 chipset for stable, well-supported drivers; main trade-off: female DB9 only; male serial devices need a gender changer.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Genuine FTDI FT232 chipset for stable, well-supported drivers
- ✓ 10 ft cable reaches distant serial devices without an extension
- ✓ USB-powered plug and play, no external power supply needed
- ✓ DB9 female end revives legacy COM-port equipment on modern PCs
- ✓ Broad OS support: Windows 11-7, Mac OS8+, Linux 2.4.0+
Cons
- ✗ Female DB9 only; male serial devices need a gender changer
- ✗ 10 ft length is more than desktop-side setups require
- ✗ RS232 wiring only, not RS422 or RS485 compatible
- ✗ FTDI clones have been driver-blocked by some Windows updates
Manufacturer description
USB to female serial adapter DB9: a bridge between PC and old COM port devicesWith the rise of USB, DB9 Serial Connections have become even harder to come by on new computer systems.By converting USB to 9 pin serial port Connection, you can make use of older equipment that still relies on DB9 Serial Connection, there is no need to worry about upgrading to equipment when you get the USB to serial with 9 pin female end cable.USB to RS-232 Serial Adapter provides an external plug & play serial RS-232 female to USB connection, let you free up existing 9 pin port. Users have the capability to…
SpecPicks Verdict
SpecPicks scored DTECH USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM… using a rating × review-volume × price-fit model applied to published specs and reviews across the cables & connectors category. DTECH's cables & connectors 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 cables & connectors 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
- (NOT USB to VGA cable) RS232 USB to DB9 female serial port cable allows you to connects a PC without serial port to a serial device because it adds a 9 pin port to laptop or desktop via USB port
- Portable female serial to USB adapter is with USB-Powered design requires no bulky power supply with superior performance, offering an easy connectivity for serial plug devices
- Built as FTDI serial RS232 to USB cable for Windows 11, 10, 8, 7, Mac OS8 or higher, Linux 2.4.0 and later (9 wire pinout 1-9: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI)
- USB male to serial female cable is designed with a high performance quality processor chip (FT232 Chipset) that makes this USB to RS232 converter one of the most reliable adapters on the market
- 10 feet USB 2.0 to RS232 DB9 serial cable (male to female) is long enough for your devices to reach to a place needed (standard pinout: pin 2- RXD, Pin 3- TXD, Pin 5 - GND)
Full Specifications
| Brand | DTECH |
|---|---|
| Color | Blue |
| Finish | Metallic |
| Unit Count | 1 Count |
| Connectivity | USB |
| Model Number | DT-5031B |
| Compatibility | PC, Mac, Linux |
| Input Voltage | 5 volts |
| Warranty Type | Limited |
| Connector Type | Usb-a to Rs232 9-pin Female |
| Item Type Name | RS232 cable |
| Item Dimensions | 8.07 x 3.94 x 2.01 inches |
| Mfr Part Number | DT-5031B |
| Number of Items | 1 |
| Number of Ports | 2 |
| Power Plug Type | No Plug |
| Compatible Devices | Desktop computer, Laptop, Microcontroller, Router, Modem, Printer, PDA, Router, Radio, GPS |
| Warranty Description | 365 days from purchase date |
| Item dimensions L x W x H | 8.07 x 3.94 x 2.01 inches |
| Specific Uses For Product | RS-232 serial DB-9, data communication |
| Full listing title | DTECH USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux |
Ready to buy?
DTECH USB to Serial Adapter 10 ft USB to RS232 DB9 Female Cable COM Port with FTDI Chipset Supports Windows 11 10 8 7 Mac Linux 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 2026-10-06. Price and availability subject to change.
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