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J&D (2 Pack) ATX 4 Pin CPU Male to Female Extension Cable, 8 inch
J&D

J&D (2 Pack) ATX 4 Pin CPU Male to Female Extension Cable, 8 inch

Bottom line: The J&D ATX 4 Pin CPU Male to Female Extension Cable ($8.95 on Amazon as of 2026-10-20 22:16 UTC): Adds 8 inches (20cm) of reach to the ATX 4-pin P4 CPU power connector; main trade-off: 4-pin only; boards with an 8-pin EPS CPU header need a different cable.

$8.95

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Adds 8 inches (20cm) of reach to the ATX 4-pin P4 CPU power connector
  • ✓ Two cables per pack, for two builds or a spare
  • ✓ 18 AWG oxygen-free copper conductors with bare copper braided shielding
  • ✓ Locking connector helps prevent accidental disconnections
  • ✓ Flexible PVC jacket bends easily around drive cages and cutouts

Cons

  • ✗ 4-pin only; boards with an 8-pin EPS CPU header need a different cable
  • ✗ Manufacturer states it is not compatible with AMS Lite
  • ✗ Fixed 8-inch length may still fall short in large full-tower cases
  • ✗ PVC jacket, not braided sleeving, so less suited to show builds

Manufacturer description

Your power supply's 4-pin CPU cable won't reach the top of the motherboard, or you want it routed behind the tray instead of across the board. The J&D 4 Pin CPU Extension Cable fixes that. It adds 8 inches (20cm) to the ATX P4 CPU power connector, with a 4-pin male plug on one end and a 4-pin female plug on the other. You get two cables in each pack. Use one in each of two builds, or keep the second as a spare. Each cable has 18 AWG oxygen-free copper conductors, bare copper braided shielding and a flexible PVC jacket that bends around drive cages and cable cutouts. A locking connector helps…

SpecPicks Verdict

SpecPicks scored J&D ATX 4 Pin CPU Male to Female Extension Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the processors category. J&D's processors 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 processors 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.

Frequently Asked Questions

How much length does this cable add to my CPU power connector?

Each cable adds 8 inches (20cm) to your power supply's 4-pin ATX CPU (P4) connector. It has a 4-pin male end and a 4-pin female end.

How many cables come in the pack?

The J&D pack includes 2 extension cables. Each one is 8 inches (20cm) long with 4-pin male and female connectors.

Will this work with an 8-pin EPS CPU power header?

This is a 4-pin extension for standard 4P CPU power connectors. If your motherboard's CPU power header is 8-pin, check your board's manual. You may need an 8-pin EPS extension instead.

What wire gauge and materials does the cable use?

It uses 18 AWG oxygen-free copper conductors with bare copper braided shielding inside a flexible PVC jacket. A locking connector helps keep it from coming loose.

What warranty does J&D offer on this cable?

J&D covers this cable with a 1-Year Limited Warranty. Contact J&D for the full terms and claim process.

Key Features

  • Our J&D 4 Pin CPU Power Extension Cable features a 4 Pin male connector and a 4 Pin female connector, extending the reach of your ATX power supply CPU power connector by 8 inch (20cm); Note: This product is not compatible with AMS Lite
  • Including 2 packs, this durable cable adapter gives you flexibility to custom build your PC by adding an extra 8 inches to the P4 connector on your power supply and is easy to use
  • Designed with PVC flexible jacket, 18 AWG oxygen free copper and bare copper braided shielding prolongs the life span of this cable as well as ensures a safe connection; Lock connector design is adopted to prevent accidental disconnections
  • Compatible with popular 4P CPU power supplies, this durable extension cable is 8 inch (20cm) in length, giving you enough cable slack to position drives as needed within the computer case
  • Warranty: J&D 1-Year Limited Warranty

Full Specifications

BrandJ&D
Color2 Pack (8 inch / 20cm)
Gauge18.0
Model4PinCPU-G-M-8in-2pk
WarrantyJ&D 1-Year Limited Warranty
Cable TypePower Cable
Item ShapeRound
Unit Count2.0 Count
Item Length8 Inches
Part NumberSATA Cable
CompatibilityPC
Connector Type4 Pin ATX
Maximum Current3 Amps
Special FeatureTangle Free
Connector GenderMale-to-Female
Compatible DevicesPC
Indoor Outdoor UsageIndoor, Outdoor
Customer Package TypeStandard Packaging
Compatible Phone ModelsNo Compatible Phone Models
Recommended Uses For ProductElectronics

Ready to buy?

J&D (2 Pack) ATX 4 Pin CPU Male to Female Extension Cable, 8 inch 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 — $8.95

*Price sourced from Amazon.com. Last updated 2026-10-20. Price and availability subject to change.

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