UGREEN
UGREEN 6ft USB to Serial Adapter
Bottom line: The UGREEN 6ft USB to Serial Adapter ($17.99 on Amazon as of 2026-10-21 16:15 UTC): PL2303 chipset recognized by most legacy serial toolchains and terminal software; main trade-off: windows 7, XP, macOS, and Linux all require a manual driver install.
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*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.
Pros & Cons
Pros
- ✓ PL2303 chipset recognized by most legacy serial toolchains and terminal software
- ✓ Driver-free on Windows 11, 10, and 8.1 - no setup before first use
- ✓ 256kbps ceiling covers console access, firmware flashing, and data logging
- ✓ 6ft length reaches tower rear ports without a USB extension
Cons
- ✗ Windows 7, XP, macOS, and Linux all require a manual driver install
- ✗ PL2303 clones have a history of driver conflicts on newer macOS releases
- ✗ DB9 male only - female serial devices need a separate gender changer
- ✗ PVC jacket is less abrasion-resistant than braided nylon alternatives
Manufacturer description
The UGREEN USB to Serial Adapter bridges modern computers to legacy RS232 gear over a 6ft cable terminated in a DB9 male 9-pin connector. Inside is a PL2303 chipset, the controller most vintage-hardware toolchains and terminal programs already expect, paired with multiple shielding layers to keep serial data intact on long runs. Transmission rates reach 256kbps, enough headroom for console access, firmware flashing, and data logging alike. Compatibility spans Windows 11, 10, 8.1, 8, 7, XP, and Vista, plus macOS and Linux. Windows 8 and above run driver-free; Windows 7, XP, macOS, and Linux…
SpecPicks Verdict
SpecPicks scored UGREEN 6ft USB to Serial Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the cables & connectors category. UGREEN'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.
Frequently Asked Questions
Do I need to install a driver?
Not on Windows 8 or newer, which run it driver-free. Windows 7, XP, macOS, and Linux need the driver from the product guide on the listing page or the CD in the package.
What chipset does this adapter use?
A PL2303 chip, paired with multiple shielding layers for stable signal transfer. PL2303 is the controller most legacy serial utilities and terminal emulators already have support for.
How fast can it transfer data?
Up to 256kbps. That is enough for serial console sessions, firmware uploads, and continuous data logging from instruments or controllers.
Will it work with my PLC or POS terminal?
Yes. UGREEN lists serial programmers with DB9 female ends, PLC controllers, cash registers, printers, POS systems, and scanners as supported RS232 devices.
Is the connector male or female?
The serial end is DB9 male, 9-pin. If your device also has a male port you will need a gender changer or a null-modem cable in between.
Key Features
- Easy to Use: The serial to usb adapter can be connected to serial device via USB port. Suitable for computers to connect various RS232 serial devices, like serial Programmer with DB9 female, PLC controller, cash registers, printers, POS, scanners and more
- Universal Compatibility: The RS-232 to USB Cable is compatible with Windows 11/10/8/7/XP/Vista, macOS, Linux. Driver free for Win8 and above. Driver Needed for Win 7/XP, macOS, Linux. Please get driver from the product guide on page or CD in the package
- Built-Last: Gold-plated interface connectors make this adapter cable more durable. In addition, this db9 to usb has a flexible PVC jacket that prevents tangling and effectively manage cable length
- Enjoy High Speed Transmission: The USB to RS232 cable 9 pin supports transmission rates up to 256kbps, making it easy to quickly transfer serial communication data
- Stable Signal Transmission: The USB to 9pin serial adapter is equipped with a PL2303 professional chip and multiple sheiding layer, which ensuring stable signal transfer and protecting your data from loss
Full Specifications
| Brand | UGREEN |
|---|---|
| Color | Grey |
| Finish | Gold |
| Unit Count | 1 Count |
| Connectivity | USB |
| Model Number | 20222 |
| Compatibility | Mac, Linux |
| Built-In Media | 1 |
| Connector Type | Db 9 |
| Item Dimensions | 78.74 x 0.79 x 1.18 inches |
| Mfr Part Number | 20222 |
| Number of Items | 1 |
| Number of Ports | 1 |
| Power Plug Type | No Plug |
| Compatible Devices | Barcode Readers, CNC Controllers, Cash Registers, Digital Cameras, Door Control Systems, LED & LCD Text Screens, Other RS232 Devices, POS Systems, Printer, Scanners |
| Item dimensions L x W x H | 78.74 x 0.79 x 1.18 inches |
| Enjoy High Speed Transmission | The USB to RS232 cable 9 pin supports transmission rates up to 256kbps, making it easy to quickly transfer serial communication data |
| External Testing Certification | 177202201739 |
| Global Trade Identification Number | 06957303822225 |
| Full listing title | UGREEN 6ft USB to Serial Adapter, Serial to USB Adapter DB9 Male 9 Pin with PL2303 Chipset, PVC Jacket, RS232 to USB Cable for Windows 11 10 8.1 8 7 XP Vista, Mac OS, Linux |
Ready to buy?
UGREEN 6ft USB to Serial Adapter, Serial to USB Adapter DB9 Male 9 Pin with PL2303 Chipset, PVC Jacket, RS232 to USB Cable for Windows 11 10 8.1 8 7 XP Vista, Mac OS, 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 2026-10-21. Price and availability subject to change.
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