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Short black and yellow adapter cable with a 4-pin female socket on one end and an 8-pin male plug on the other

EN-Labs

EN-Labs ATXP42EPS8PIN6 4-Pin to 8-Pin Power Adapter 6 inch 18AWG

SKU CH-GF68-6WBG7

Converts a 4-pin ATX CPU power connector to an 8-pin EPS motherboard socket using 18AWG copper conductors over a 6-inch length

  • Connector count2
  • Connector genderMale to Female
  • Product typePower
  • Product colorMulti-Color
  • Overall length6 in - 10 in
  • DetailsType: ATX P4 to EPS 8pin power adapter cable Wire Gauge: 18A
  • Converts 4-pin PSU to 8-pin motherboard CPU power
  • 6-inch cable keeps internal routing tidy
  • 18AWG tinned copper conductors carry 12V current
  • Female P4 to male EPS connector genders match standard ATX
  • Multi-colour insulation aids quick identification in the case

Connector conversion

This adapter converts a PSU ATX 12V 4-pin female connector into an 8-pin EPS male connector for motherboard CPU power. It uses 18AWG tinned copper conductors and measures six inches in length. The cable is rated for 12V DC operation and features a multi-colour black and yellow jacket.

Sustained delivery

The 18AWG copper wires handle continuous 12V current to the CPU socket without the voltage drop that can occur with thinner gauge alternatives. A six-inch run keeps resistance low, so the motherboard receives stable power during extended workloads. The short length also reduces cable clutter inside the chassis.

EPS limitation

This adapter is designed only for motherboard EPS 8-pin sockets and must not be connected to an 8-pin graphics card power input. Using it on a video card can cause damage because the pinout and current expectations differ. Builders needing GPU power should use the correct PCIe cables from the power supply.

How it compares

Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.

Price $4.99
Cheaper than about 97% of the 3,875 comparable items (median $23.99).

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Specifications

Product
Brand nameEn-Labs
Model nameATXP42EPS8PIN6
Product typePower
Product colorMulti-Color
Ports & slots
Connector count2
Connector genderMale to Female
Size & build
Overall length6 in - 10 in

Questions about this item

Will the 18AWG copper conductors overheat when the 12V rail runs continuously?

The 18AWG tinned copper wires are rated for the 12V DC CPU auxiliary circuit and stay cool under normal motherboard loads.

My power supply only has a 4-pin P4 female connector — is that the only cable I need?

Yes, the adapter plugs directly into the PSU’s 4-pin P4 female and the motherboard’s 8-pin EPS male socket; no extra cables are required.

Can I keep my older ATX supply with a 4-pin P4 output and still power a modern 8-pin EPS board?

The 6-inch converter bridges the legacy 4-pin P4 female to the 8-pin EPS male, letting the existing supply feed the newer motherboard.

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