Digitus
Digitus USB to Serial Adapter
Bottom line: The Digitus USB to Serial Adapter ($22.99 on Amazon as of 2026-10-06): Genuine FTDI FT232RL chipset, not a clone-driver gamble; main trade-off: USB 2.0 only Type-C plug, so no Type-A host without an adapter.
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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 FT232RL chipset, not a clone-driver gamble
- ✓ USB-C plug works directly on modern notebooks and MacBooks
- ✓ Drivers cover Windows XP through 10, macOS, and Linux
- ✓ Included extension gives you an ~85cm cable or a bare dongle
Cons
- ✗ USB 2.0 only Type-C plug, so no Type-A host without an adapter
- ✗ 9-pin DSUB male end needs a null-modem or gender changer for some gear
- ✗ Listed 128 Mbps figure is chipset marketing, not real RS-232 throughput
- ✗ Single COM port per adapter, no multi-port option
Manufacturer description
Product DescriptionDIGITUS USB to Serial Adapter - RS232 Converter - USB 2.0 Type-C to DSUB 9M - FTDI Chipset - 1 m Connection Cable The DIGITUS USB Type-C Serial Adapter provides a practical solution for providing serial connectivity. A serial RS232 interface is now no longer available on newer hardware, thanks to the DIGITUS USB Type-C serial adapter, the data exchange between a USB Type-C port on the computer and peripherals with serial interface (COM port, RS232), such as E.B.WetWetterstations, sensors, machine controls, set-top boxes, game consoles, PDAs, scanners, modems, ISDN adapters…
SpecPicks Verdict
SpecPicks scored Digitus USB to Serial Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. Digitus's expansion cards 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 expansion cards 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
- With the USB-C to Serial Converter you can easily connect serial peripheral devices with RS-232 interface or COM port to your notebook, ultrabook or Mac book.
- Since today's PCs usually no longer have serial ports, the adapter is ideal for the operation of e.g. weather stations, sensors, machine controls, modems, or ISDN systems.
- The serial adapter with a 9-pin D-SUB connector features an FTDI/FT232RL chipset for individual configuration and full-duplex data transfer at up to 128 Mbps.
- In addition to remote wake-up, power management is also supported - the converter is compatible with Windows (10, 8.1, 8, 7, Vista, XP), Mac OS X and Linux.
- Together with the included USB extension cable, the adapter can be used as approx. 85cm adapter cable or simply used individually as a USB adapter for a COM interface.
Full Specifications
| Brand | Digitus |
|---|---|
| Color | black |
| Finish | Matte |
| Unit Count | 1 Count |
| Connectivity | USB-C |
| Model Number | DA-70166 |
| Compatibility | Mac, Linux |
| Built-In Media | • USB - serial adapter • Product support CD-ROM |
| Connector Type | USB Type C |
| Item Dimensions | 0.71 x 0.59 x 2.91 inches |
| Mfr Part Number | DA-70166 |
| Number of Items | 1 |
| Number of Ports | 1 |
| Power Plug Type | No Plug |
| Compatible Devices | pc |
| Item dimensions L x W x H | 0.71 x 0.59 x 2.91 inches |
| Specific Uses For Product | PC |
| Global Trade Identification Number | 04016032435129 |
| EU Spare Part Availability Duration | 1 years |
| Full listing title | Digitus USB to Serial Adapter - RS232 Converter - USB 2.0 Type-C to DSUB 9M - FTDI FT232RL Chipset - 1 m Connection Cable |
Ready to buy?
Digitus USB to Serial Adapter - RS232 Converter - USB 2.0 Type-C to DSUB 9M - FTDI FT232RL Chipset - 1 m Connection Cable 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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