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Black sleeved PSU extension cable kit with 24-pin, three 8-pin PCIe and two 8-pin CPU cables plus comb board

FormulaMod

FormulaMod Fm-NCK1 power extension cord kit 300mm 18 AWG 24Pin 8Pin 5557 5559

SKU CH-07RN-YMDGD MPN Fm-NCK1

A sleeved power extension kit with 24-pin ATX, three 8-pin PCIe and two 8-pin EPS cables, each 300 mm long using 18 AWG wire and 5557-to-5559 connectors, supplied with a comb board for tidy routing

  • TypeStraight
  • Sleeve protects wires with 18 AWG core and nylon braid
  • 300 mm straight extensions fit most ATX power supplies
  • Kit covers 24-pin ATX, three GPU 8-pin and two CPU 8-pin
  • Male 5557 to female 5559 connectors ensure secure power delivery
  • Cable comb board lets you organise and hide unused pins

Kit Contents

The FormulaMod Fm-NCK1 kit supplies one ATX 24Pin extension, three PCI-E 8[6+2]Pin extensions, two EPS 8[4+4]Pin extensions and a polypropylene cable comb board. Every cable uses 18 AWG conductors inside a 3 mm nylon braid with insulated middle layers. Connectors are male 5557 to female 5559 in a straight orientation. Length is 300 mm per cable.

Who This Suits

Builders who need longer reach from a standard ATX power supply to motherboard, graphics card and CPU sockets will find the kit covers 24Pin, triple 8Pin GPU and dual 8Pin CPU requirements in one pack. The backward-compatible pin splits let unused halves tuck behind the tray. Buyers who want pre-bent connectors or lengths other than 300 mm should look at something else.

Build Integration

Each extension plugs between the existing modular cable and the component, so no PSU rewiring is required. The included comb board lets you align and separate individual wires for cleaner routing through grommets. The 3 mm diameter and flexible braid help cables follow tight bends behind the motherboard tray without adding bulk.

Highlights

  • Sleeve protects wires with 18 AWG core and nylon braid
  • 300 mm straight extensions fit most ATX power supplies
  • Kit covers 24-pin ATX, three GPU 8-pin and two CPU 8-pin
  • Male 5557 to female 5559 connectors ensure secure power delivery
  • Cable comb board lets you organise and hide unused pins

Specifications

TypeStraight

Questions about this item

Does my power supply need standard ATX 24-pin, PCI-E 8-pin and EPS 8-pin outputs for this kit to work?

Yes, the extensions plug into a standard ATX 24-pin motherboard connector, three PCI-E 8[6+2]-pin GPU connectors and two EPS 8[4+4]-pin CPU connectors on your existing PSU.

Will the 300 mm length reach cleanly in a full-tower case with the PSU mounted at the bottom?

At 300 mm each cable adds 30 cm from the PSU socket, which is long enough for typical bottom-mount full-tower routing while leaving slack for the included comb board.

How can I confirm every pin is seated correctly after I route the cables behind the motherboard tray?

Verify the 24-pin, both 8-pin EPS and all three 8-pin PCI-E connectors click fully into their headers, then power on and check that the motherboard, CPU and GPU all initialise without POST errors.

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