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A 20 cm black power extension cable with 4 pin ATX male and female connectors

SMUGDESK

SMUGDESK 20cm 4 Pin ATX CPU Power Extension Cable

SKU CH-C06Z-VG3V5

A 20 cm 4-pin ATX extension cable that lengthens the CPU power connection for easier motherboard and cooler installation

  • 20 cm length simplifies internal cable routing
  • 4-pin ATX male-to-female connector extends CPU auxiliary power
  • Precise pin alignment prevents loose connections and power loss
  • Flame-retardant insulated sheath resists heat, bending and abrasion
  • Tool-free plug-and-play design speeds up DIY PC assembly

Extension cable for desktop CPU power

This 20cm 4 Pin ATX extension cord lengthens the existing CPU auxiliary power lead inside a desktop chassis. It connects a standard 4P male plug to a matching female socket so the motherboard power header can be reached when the stock cable falls short. The moderate length suits internal routing without leaving excess slack. Builders upgrading a case or repositioning a cooler will find it useful for clean cable management. ||

Thermals and power delivery

The flexible flame-retardant sheath resists the heat found inside an operating case and does not easily age under continuous warmth. High-quality conductors maintain steady current flow to the CPU power interface, preventing voltage drops that could cause instability. Precise pin alignment ensures a tight fit that avoids intermittent contact and unexpected power loss during long sessions. No active cooling or noise is involved because the product is a passive cable. ||

Build quality and daily use

Durable insulated cable material withstands repeated bending and abrasion while routing around drive cages or behind motherboard trays. The plug-and-play design requires no tools — simply insert the male end into the power supply cable and the female end onto the motherboard header. Verify that your motherboard uses a 4 Pin ATX CPU power connector before purchasing, as the extension only matches that specific interface.

How it compares

Measured against everything we stock in PC & Server Extension Cords, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 60% of the 401 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I route the 20 cm 4-pin ATX extension so the connector seats fully?

Feed the cable through the motherboard tray cut-out first, then push the male end into the PSU socket until the latch clicks; the short 20 cm length leaves little slack, so verify the click before securing side panels.

Will the flame-retardant sheath need replacement after long-term heat exposure?

The sheath is rated for continuous chassis temperatures and resists ageing; under normal desktop loads it lasts the life of the build without scheduled replacement.

At what point does voltage drop become noticeable on this 7.9 inch extension?

With standard-gauge conductors and tight pin fit, measurable drop stays negligible for typical CPU power draw; the first limit encountered is usually the PSU’s own cable reach, not this extension.

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