Skip to main content
StarTech 4-Port USB to Serial RS232 Hub, Industrial, TAA (ICUSB2324I)
StarTech.com

StarTech 4-Port USB to Serial RS232 Hub, Industrial, TAA (ICUSB2324I)

Bottom line: The StarTech.com StarTech 4-Port USB to Serial RS232 Hub: Genuine FTDI chipset for reliable drivers on Windows, macOS, and Linux; main trade-off: four DB9 ports only, no DB25 or RS422/485 support.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → Compare to similar keyboards & mice

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Genuine FTDI chipset for reliable drivers on Windows, macOS, and Linux
  • ✓ COM port retention keeps assignments fixed across reboots
  • ✓ Rugged all-metal enclosure built for harsh industrial environments
  • ✓ Wall-mount brackets plus included DIN rail clips for flexible mounting
  • ✓ USB bus-powered, no external power adapter needed

Cons

  • ✗ Four DB9 ports only, no DB25 or RS422/485 support
  • ✗ Bulky metal housing overkill for simple desktop use
  • ✗ Requires a free full USB port to bus-power all four lines
  • ✗ Legacy RS232 use case, niche outside industrial setups

Manufacturer description

This industrial 4 port USB to serial RS232 adapter with DIN rail clips converts a single USB port into four RS232 serial ports, enabling you to connect to, monitor and control your serial devices. Built for Industrial Environments Featuring rugged metal construction, with sturdy wall-mounting brackets and top-hat DIN rail clips (included), this FTDI USB to DB9 RS232 hub provides versatile mounting options and a robust solution for both harsh industrial environments and simple desktop installations. Convenient COM Port Retention This USB powered DB9 serial converter also retains assigned…

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 4-Port USB to Serial RS232 Hub using a rating × review-volume × price-fit model applied to published specs and reviews across the keyboards & mice category. StarTech.com's keyboards & mice 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 keyboards & mice 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

  • INDUSTRIAL STRENGTH: Built to withstand harsh environments, this 4 port USB to serial RS232 adapter has a rugged all-metal enclosure for added durability in industrial settings
  • COM RETENTION CAPABILITIES: For added convenience, this FTDI USB to DB9 RS232 hub features COM retention so COM port assignments are maintained during reboots
  • PLUG AND PLAY INSTALLATION: This DB9 serial converter is powered by an available USB port / cable so no external power adapter is required
  • INSTALLATION OPTIONS: This USB serial adapter has integrated wall mount brackets and included DIN Rail clips for versatile mounting options

Full Specifications

BrandStarTech.com
ColorBlack
FinishMetallic
Unit Count1 Count
ConnectivityUSB
Model NumberICUSB2324I
Input Voltage5 volts
Nominal Power1.5 watts
Warranty TypeLimited
Built-In MediaUser manual, cable or connector.
Connector TypeSerial Adapter
Item Dimensions7 x 2.3 x 0.9 inches
Mfr Part NumberICUSB2324I
Number of Items1
Number of Ports4
Power Plug TypeNo Plug
Compatible DevicesPrinter
INSTALLATION OPTIONSThis USB serial adapter has integrated wall mount brackets and included DIN Rail clips for versatile mounting options
Warranty Description2 Years
Item dimensions L x W x H7 x 2.3 x 0.9 inches

Ready to buy?

StarTech 4-Port USB to Serial RS232 Hub, Industrial, TAA (ICUSB2324I) 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.

Check price on Amazon →

Related Keyboards & Mice

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
StarTech 4-Port USB to Serial RS232 Hub, Industrial, TAA (ICUSB2324I)
View on Amazon →