6in LP4 to 8 Pin PCI Express Video Card Power Cable Adapter

Convert a Standard LP4 Power Supply Connector to an 8-pin PCI Express Video Card Power Connector


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The LP4PCIEX8ADP 6-inch LP4 to 8-Pin PCI Express Power Adapter converts a standard LP4 power connector on your existing power supply to an 8-pin PCI Express video card power connector, allowing you to install a PCIe graphics card without having to upgrade the computer power supply.


  • Powering a PCI Express video card with an older power supply that doesn't feature a PCIe power connection

The StarTech.com Advantage

  • Eliminates the need to upgrade your power supply with an 8-Pin power connector for PCI-Express Video Cards
  • Easy to use and install
  • Backed by StarTech.com lifetime warranty

Partner Numbers

  • CMS Distribution V215572
  • Esprinet LP4PCIEX8ADP
  • Esprinet Italy LP4PCIEX8ADP
  • Exertis 0010013987
  • Exertis IE 0010013987
  • Ingram Austria V931750
  • Ingram DK V931750
  • Ingram Finland V931750
  • Ingram Germany V931750
  • Ingram IE V931750
  • Ingram Micro Belgium 1861197
  • Ingram Micro España V931750
  • Ingram Micro France V931750
  • Ingram Micro Italy V931750
  • Ingram Micro Netherlands 1861197
  • Ingram Micro Sweden V931750
  • Ingram Micro UK V931750
  • Ingram Switzerland V931750
  • Tech Data - Belgium 4428267
  • Tech Data - France 4428267
  • Tech Data - Italy 4428267
  • Tech Data - Netherlands 4428267
  • UPC 065030845342


Warranty Information Warranty Lifetime
Connector(s) 2 - Connector A LP4 (4 pin; Large Drive Power)
1 - Connector B PCI Express Power (8 pin, v 2.x)
Packaging Information Package Height 15.0 mm [0.6 in]
Package Length 22.5 cm [8.9 in]
Shipping (Package) Weight 24.0 g [0.8 oz]
Package Width 12.5 cm [4.9 in]
Package Quantity 1
Physical Characteristics Weight of Product 19.0 g [0.7 oz]
Color Black
Wire Gauge 18 AWG
Cable Length 15.2 cm [6.0 in]
Product Length 15.2 cm [6.0 in]
Product Width 25.0 mm [1.0 in]
Product Height 15.0 mm [0.6 in]
Special Notes / Requirements System and Cable Requirements Two 4-Pin LP4 connectors from your existing ATX Power Supply and a Video card that utilizes PCI-Express 8-Pin connector
What's in the Box 1 - Included in Package 6in LP4 to 8 Pin PCI Express Video Card Power Cable Adapter


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Frequently Asked Questions


When you troubleshoot issues with an internal power cable, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:

  • Power supply

  • Computer part

  • Power cable

To test your setup components, try the following:

  • Use the power supply, computer part, and power cable in another setup to see if the problem is with the components or the setup.

  • Use a different power supply, computer part, and power cable in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.

When you test your cable, it is recommended that you do the following:

  • Make sure that the cable is firmly inserted into both ends.

  • The polarity (usually indicated by the color of the cables) matches.

  • No pins are bent or missing on the power supply cable or header, or the computer part.

Compliance and safety

Compliance letters

Safety Measures

  • If product has an exposed circuit board, do not touch the product under power.
  • If Class 1 Laser Product. Laser radiation is present when the system is open.
  • Wiring terminations should not be made with the product and/or electric lines under power.
  • Product installation and/or mounting should be completed by a certified professional as per the local safety and building code guidelines.
  • Cables (including power and charging cables) should be placed and routed to avoid creating electric, tripping or safety hazards.
*Product appearance and specifications are subject to change without notice.

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