StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1003MBK), 10 ft / 3m
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*Price sourced from Amazon.com. Last updated 2026-08-22. Price and availability subject to change.
Bottom line: The StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1003MBK), 10 ft / 3m is a specs-and-price decision rather than a crowd-consensus one in the cables & connectors category, priced around $11.42. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.
The MXT1003MBK Black Serial Extension Cable (3m) features one DB9 male connector and one DB9 female connector, providing a high quality extension for your RS232 serial devices, which enables you to position your peripheral devices as needed. Expertly designed and constructed of top quality materials to ensure durability, this DB9 extension cable is backed by our Lifetime Warranty.
SpecPicks Verdict
SpecPicks scored StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the cables & connectors category. Compare with similarly-priced alternatives in the cables & connectors category before committing. 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 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
- ✓ 1x DB9 Serial (male) connector
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ 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
- 1x DB9 Serial (male) connector
- 1x DB9 Serial (female) connector
- High quality shielding prevents EMI interference
- DB9 connectors with strain relief molding
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Black |
| Gauge | 28 |
| Model | MXT1003MBK |
| Wattage | 50 watts |
| Cable Type | Serial |
| Item Shape | Round |
| Model Name | 3m Black Straight Through DB9 RS232 Serial Cable,M/F |
| Unit Count | 1 Count |
| Item Length | 3 meters |
| Part Number | MXT1003MBK |
| Connector Type | Serial |
| Item Type Name | Data Transfer Cable |
| Number of Pins | 9 |
| Outer Material | Polyvinyl Chloride (PVC) |
| Number of Items | 1 |
| Special Feature | Data Transfer |
| Connector Gender | Male and Female |
| Specification Met | No |
| Compatible Devices | serial devices |
Ready to buy?
StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1003MBK), 10 ft / 3m is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-08-22. Price and availability subject to change.
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