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Black braided PSU extension cable kit with 24-pin ATX, three PCI-E and two EPS connectors, each 300 mm long with cable combs

FormulaMod

FormulaMod Fm-NCK1 300 mm internal power cable kit

SKU CH-57DN-DNVZH MPN Fm-NCK1

Sleeved 300 mm extension kit with 24-pin ATX, three PCI-E and two EPS cables plus combs, pre-bent 180° at the buckle side for tidy routing

  • ColorBlack

Style Kit I

  • 300 mm length simplifies routing in full-tower builds
  • 18 AWG cores deliver stable current to GPU and CPU
  • 24-pin ATX, three PCI-E and two EPS cables cover every major power connection
  • Nylon braid with insulated middle layer resists heat and abrasion
  • Pre-bent 180° connectors align with latch orientation for clean installation

Extension kit for custom builds

The FormulaMod Fm-NCK1 kit supplies pre-sleeved extensions for ATX 24-pin, dual EPS 8-pin and triple PCI-E 8-pin connections. Each cable measures 300 mm and uses 18 AWG conductors wrapped in a soft nylon braid. Black connectors and four cable combs per lead give a uniform look inside any chassis. Builders who want colour-coordinated wiring without custom crimping will find this kit straightforward.

Behaviour under sustained load

The 18 AWG copper core handles continuous current delivery to CPU and GPU power phases without excessive voltage drop. A three-layer construction places insulated material between the conductor and the outer braid, improving heat resistance during prolonged high-draw sessions. Connectors use Male 5557 to Female 5559 interfaces that maintain secure contact through thermal cycling. The fixed 300 mm length limits routing options in very large cases.

Installation notes and common issues

Cables arrive pre-assembled with a 180° pre-bend oriented toward the connector buckle on ATX and EPS leads, and away from the buckle on PCI-E leads. Verify motherboard and graphics-card header orientation before purchase; reversed buckles will prevent proper seating. Do not disassemble the factory crimps unless you have proper extraction tools. Four included combs per cable keep bundles tidy but add bulk behind tight motherboard trays.

Highlights

  • 300 mm length simplifies routing in full-tower builds
  • 18 AWG cores deliver stable current to GPU and CPU
  • 24-pin ATX, three PCI-E and two EPS cables cover every major power connection
  • Nylon braid with insulated middle layer resists heat and abrasion
  • Pre-bent 180° connectors align with latch orientation for clean installation

Specifications

ColorBlack

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Questions about this item

Does the 18 AWG cable core and nylon braid handle continuous load without overheating?

The 18 AWG conductors are rated for standard ATX power delivery and the insulated middle layer adds heat resistance for all-day operation.

What connectors must my power supply and components already have for this kit to fit?

Your PSU needs native 24-pin ATX, 8-pin EPS and 8-pin PCIe outputs; the extensions plug into those with male 5557 to female 5559 interfaces.

Will the pre-bent 180° routing work with an older motherboard that has the ATX latch on the opposite side?

The ATX 24-pin bend follows the latch side; if your board's latch faces the other way the cable may not align correctly.

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