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StarTech.com 2m Black DB9 Null Modem Serial Cable, Male to Female | 9 pin Null Modem Cable, Cross Wired, DB-9 (M) to DB-9 (F), Male to Female
StarTech.com

StarTech.com 2m Black DB9 Null Modem Serial Cable

Bottom line: The StarTech.com 2m Black DB9 Null Modem Serial Cable ($10.93 on Amazon as of 2026-10-06): DB9 male-to-female null modem wiring for direct PC-to-PC serial file transfer; main trade-off: fixed 2m length; no shorter or longer runs in this SKU.

$10.93

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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.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ DB9 male-to-female null modem wiring for direct PC-to-PC serial file transfer
  • ✓ RS232 null modem pinout connects a 9-pin serial port to serial devices
  • ✓ Shielded to prevent EMI interference on the serial line
  • ✓ Molded connectors with strain relief for a long-lasting connection

Cons

  • ✗ Fixed 2m length; no shorter or longer runs in this SKU
  • ✗ Legacy DB9 serial; modern PCs need a USB-to-serial adapter
  • ✗ Null modem wiring won't work as a straight-through extension
  • ✗ RS232 only; no USB or modern device connectivity

Manufacturer description

1x DB9 female connector 1x DB9 male connector High quality shielding prevents EMI interference Molded connectors with strain relief The SCNM9FM2MBK 2m DB9 Null Modem Cable features one DB9 male and one DB9 female connector, allowing you to connect a serial device to a 9-pin serial port, or transfer files directly from PC-to-PC via a serial connection. Designed to provide a reliable, long-lasting connection, this RS232 null modem cable is backed by StarTech.com's lifetime warranty. Can be used for PC-PC File transfer Connects a 9-pin PC serial port to a serial device Maintain reliable serial…

SpecPicks Verdict

SpecPicks scored StarTech.com 2m Black DB9 Null Modem Serial Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the cables & connectors category. StarTech.com's cables & connectors 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 cables & connectors 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

  • Connect your serial devices
  • and transfer your files
  • 2m DB9 Null Modem Cable
  • DB9 Male to Female Cable
  • RS232 Null Modem Cable

Full Specifications

BrandStarTech.com
ColorBlack
Gauge28.0
ModelSCNM9FM2MBK
Cable TypeData Transfer Cable
Item ShapeRound
Model Name2m Black DB9 RS232 Serial Null Modem Cable F/M
Unit Count1.0 Count
Item Length2 Meters
Part NumberSCNM9FM2MBK
Connector TypeDb-9 Rs-232 Serial - Female, Db-9 Rs-232 Serial - Male
Item Type NameStartech.Com 2m DB9 RS232 Serial Null Modem Cable F/M - Null modem cable - 6.6' (SCNM9FM2MBK)
Number of Pins18
Connection TypeWired
Number of Items1
Special FeatureData Transfer
Connector GenderMale-to-Female
Specification MetNo
Compatible DevicesPC
Included ComponentsData Transfer Cable
Full listing titleStarTech.com 2m Black DB9 Null Modem Serial Cable, Male to Female | 9 pin Null Modem Cable, Cross Wired, DB-9 (M) to DB-9 (F), Male to Female

Ready to buy?

StarTech.com 2m Black DB9 Null Modem Serial Cable, Male to Female | 9 pin Null Modem Cable, Cross Wired, DB-9 (M) to DB-9 (F), Male to Female 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.

Buy on Amazon — $10.93

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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