Sewell
Sewell Instacom USB to Serial Adapter 2' with Posts (SW-1301), Black
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
This adapter is the easiest way to add a serial port to your computer. Many PDAs, digital cameras, GPS units, barcode scanners, and other equipment require a serial connection and many newer computers don't have serial ports.
SpecPicks Verdict
SpecPicks classifies Sewell Instacom USB to Serial Adapter 2' with Posts (SW-1301), Black as a solid pick with broad community endorsement in the display & crt accessories category, based on 26 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Sewell'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 display & crt accessories 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 — 4.5★ average across customer reviews
- ✓ USB Type A to RS-232 (9 pin) male connector
- ✓ Backed by Sewell'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
- USB Type A to RS-232 (9 pin) male connector
- Supports all USB signals from 1.1 to 3.0
- Compatible with Linux and backwards compatible to Windows Vista, 7, and Mac OS X
- Up to 500 Kbps transfer rate
- 2 feet long
Full Specifications
| Brand | Sewell |
|---|---|
| Color | Black |
| Finish | Blue |
| Unit Count | 1 Count |
| Connectivity | USB |
| Model Number | SW-1301 |
| Compatibility | Mac, Linux |
| Input Voltage | 5 Volts |
| Built-In Media | 1 USB to Serial Cable |
| Connector Type | USB Type A |
| Current Rating | 1 Amps |
| Item Dimensions | 4.25 x 4.25 x 1.5 inches |
| Mfr Part Number | SW-1301 |
| Number of Items | 1 |
Ready to buy?
Sewell Instacom USB to Serial Adapter 2' with Posts (SW-1301), Black 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.
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