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StarTech 12in Molex LP4 Power Extension Cable (LP4POWEXT12)
StarTech.com

StarTech 12in Molex LP4 Power Extension Cable (LP4POWEXT12)

Bottom line: The StarTech.com StarTech 12in Molex LP4 Power Extension Cable: Adds 12in of LP4 reach to reposition drives, DVD-ROM, or add-in cards; main trade-off: fixed 12in length; longer runs need a different cable.

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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

  • ✓ Adds 12in of LP4 reach to reposition drives, DVD-ROM, or add-in cards
  • ✓ Standard 4-pin Molex male-to-female, drops into existing LP4 runs
  • ✓ Backed by StarTech.com lifetime warranty

Cons

  • ✗ Fixed 12in length; longer runs need a different cable
  • ✗ Legacy 4-pin Molex only, not SATA-power devices
  • ✗ Single pass-through, won't split power to multiple drives
  • ✗ Unsleeved bare cable, no braiding for clean builds

Manufacturer description

Extend your LP4 power connections by up to 12 inches - The LP4POWEXT12 Extension Cable features two 4-pin Molex power connectors, one male and one female, and offers 12-inches in cable length, enabling you to extend your LP4 power connections and allowing you to position your devices (i.e. hard drive, DVD-ROM drive, add-in card, etc.) as needed within the system case. Constructed of only top quality materials and designed for optimum performance and reliability, this 12in internal LP4 power extender is backed by StarTech.com's lifetime warranty.

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SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 12in Molex LP4 Power Extension Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. StarTech.com's power supplies & cables 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 power supplies & cables 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

  • Power extension cable
  • 4 pin internal power (M) to 4 pin internal power (F)

Full Specifications

BrandStarTech.com
ColorBlack
Gauge18
Voltage240 volts
Wattage12 watts
Plug TypeInternal 4-pin Molex
Unit Count1 Count
Item Length12 inches
Plug FormatInternal 4-pin Molex
Model NumberLP4POWEXT12
Built-In MediaPower extension cable
Item Type NameStarTech.com 12in Molex LP4 Power Extension Cable - M/F
Mfr Part NumberLP4POWEXT12
Connector GenderFemale, Male
Special FeaturesNot_Performance_Used
Warranty DescriptionLifetime warranty
Power Cord Prong Count4
Ethernet Cable CategoryCat 1
Global Trade Identification Number00065030854436

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StarTech 12in Molex LP4 Power Extension Cable (LP4POWEXT12) 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.

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StarTech 12in Molex LP4 Power Extension Cable (LP4POWEXT12)
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