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StarTech 2ft 2-Port USB to Serial Adapter Cable, FTDI (2P1FFC-USB-SERIAL) | USB to DB9 RS232, Changeable DB9 Screws/Nuts, COM Retention, 60cm
StarTech.com

StarTech.com StarTech 2ft 2-Port USB to Serial Adapter Cable

Bottom line: The StarTech.com StarTech 2ft 2-Port USB to Serial Adapter Cable is a specs-and-price decision rather than a crowd-consensus one in the keyboards & mice category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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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.

Before you buy

  • Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

Manufacturer description

Add RS-232 serial communication support to USB-A enabled Data Terminal Equipment (DTE - e.g., desktop or laptop), using this 2ft (61cm) straight through 2-Port USB to Serial Adapter Cable. The Dual-Port USB Serial Adapter adds two RS-232 serial DB/DE-9 (male) connectors to a desktop or laptop via a single USB Type-A port. Secure the adapter to a serial device, using pre-installed and removable slotted DB-9 nuts or install the included DB-9 thumbscrews for compatibility with other serial peripheral devices or cables. Data transmission and reception LED indicators for each port on the adapter…

SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 2ft 2-Port USB to Serial Adapter Cable 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

  • INTERCHANGEABLE NUTS & SCREWS: Secure the adapter to serial devices using the pre-installed DB9 nuts, or install the included DB9 screws for compatibility with serial peripheral devices/cables; Add two DB9 RS-232 ports to a computer, using a USB-A port
  • LED INDICATORS: Each port has dedicated Transmit and Receive LED indicators offering real-time monitoring of port activity, while the USB LED indicates when the adapter is successfully recognized by the desktop or laptop
  • COMPATIBILITY: Works with Windows, macOS, ChromeOS, and Linux; Drivers auto-install in Windows 7+, macOS 10.15+, and Linux; COM retention enables the COM port to automatically re-assign if the cable is disconnected/reconnected or if the system is rebooted
  • BUILD QUALITY: One-piece molded TPE housing and Level-4 ESD protection (15kV air/8kV contact) enhance reliability and longevity; Copper shielding minimizes EMI/RFI interference; Gold-plated connectors; Extended operating temperature of -40°C to 80°C
  • TECH SPECS: 2x DB9 RS232 Ports; 1ft (30.5cm) cable length between hub and peripherals (2ft/61cm total product length); FTDI FT2232H Chipset; Max Baud Rate: 921.6Kbps; 4KB FIFO; Odd/Even/Mark/Space/None Parity Modes; 7 or 8 Data Bits; 1 or 2 Stop bits

Full Specifications

BrandStarTech.com
ColorStraight Pass Through
Model2P1FFC-USB-SERIAL
Wattage50 watts
Frequency60 GHz
Cable TypeSerial
Item ShapeRound
Model Name2P1FFC-USB-SERIAL
Unit Count1 Count
Item Length61 centimeters
Part Number2P1FFC-USB-SERIAL
ConnectivityUSB
CompatibilityMac, Linux
Connector TypeUSB Type A
Number of Pins9
Outer MaterialThermoplastic Elastomer (TPE)
Maximum Current500 milliamps
Number of Items1
Special FeatureData Transfer
Connector GenderMale-to-Male
Full listing titleStarTech 2ft 2-Port USB to Serial Adapter Cable, FTDI (2P1FFC-USB-SERIAL) | USB to DB9 RS232, Changeable DB9 Screws/Nuts, COM Retention, 60cm

Ready to buy?

StarTech 2ft 2-Port USB to Serial Adapter Cable, FTDI (2P1FFC-USB-SERIAL) | USB to DB9 RS232, Changeable DB9 Screws/Nuts, COM Retention, 60cm is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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