StarTech.com
StarTech.com 8 Port Serial Hub USB to RS232/RS485/RS422 Adapter
Bottom line: The StarTech.com 8 Port Serial Hub USB to RS232/RS485/RS422 Adapter is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $449.54 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Backed by StarTech.com's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
Add extra COM ports to your laptop or desktop computer, quickly and easily. This USB to RS232/422/485 serial adapter lets you connect to your serial devices through an external USB port. Supports multiple serial protocols The versatile serial adapter converts a single USB port into eight RS232/RS422/RS485 serial ports, enabling you to connect, monitor, and control a wide range of serial devices, such as sensors, barcode scanners, and LED signage. It supports four operating modes, including RS232, RS422, 4-wire and 2-wire RS485. Ideal for harsh environments With its rugged IP30-rated metal…
SpecPicks Verdict
SpecPicks scored StarTech.com 8 Port Serial Hub USB to RS232/RS485/RS422 Adapter using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. StarTech.com'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
- RUGGED & RELIABLE: This industrial metal USB to serial adapter hub adds 8 RS-232/422/485 ports & 1 USB 2.0 port w/ 15kV ESD surge protection (level 4), IP30 rating & locking connectors on all ports
- 8 SERIAL PORTS: The ports on this USB to serial converter can be individually configured to RS232, RS422 or RS485 (2wire/4wire) at baud rates up to 921.6Kbps for devices like barcode scanners/printers
- MOUNTING OPTIONS: This metal mountable 8-port serial hub w/ 6ft (1.8 m) screw-lock USB cable incl. installs securely to a desk, wall or DIN rail using the built-in mounting ears & incl. DIN brackets
- FLEXIBLE POWER: This serial hub can be powered with either the 12V screw-locking power adapter or the 5V USB input, while each serial port (pin 9) can be set to 5V, 12V (power adapter required), or 0V
- WIDELY COMPATIBLE: To connect industrial grade equipment to any terminal, the USB to multiple DB9 male serial converter supports current and legacy Windows, Linux, macOS, as well as embedded platforms
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Black |
| Unit Count | 1.0 Count |
| Connectivity | USB |
| Model Number | ICUSB234858I |
| Compatibility | Mac, Linux |
| Input Voltage | 12 Volts (DC) |
| Built-In Media | DIN rail kit (1), USB serial hub (1), USB-B with screw lock to USB-A cable (1), instruction manual (1), universal power adapter (NA/JP, UK, EU, ANZ) (1) |
| Connector Type | USB 2.0 |
| Item Type Name | Serial Hub |
| Item Dimensions | 8.6 x 5 x 1 inches |
| Mfr Part Number | ICUSB234858I |
| Number of Items | 1 |
| Number of Ports | 8 |
| Power Plug Type | Type M |
| Compatible Devices | Laptop, Monitor, Scanners |
| Warranty Description | 2 Years |
| Item dimensions L x W x H | 8.6 x 5 x 1 inches |
| Specific Uses For Product | personal, gaming, business |
| External Testing Certification | CE, FCC, TAA, RoHS |
| Full listing title | StarTech.com 8 Port Serial Hub USB to RS232/RS485/RS422 Adapter - Industrial USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection, TAA |
Ready to buy?
StarTech.com 8 Port Serial Hub USB to RS232/RS485/RS422 Adapter - Industrial USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection, TAA 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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