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Cable Matters 2-Pack ATX 4-Pin CPU Extension Cable, 8 inches | Power Supply Extension Cable, ATX 4-Pin CPU Extension, Power Supply Cable
Cable Matters

Cable Matters 2-Pack ATX 4-Pin CPU Extension Cable

Bottom line: The Cable Matters 2-Pack ATX 4-Pin CPU Extension Cable: 8-inch reach extends short PSU cables to CPU headers in bottom-mount cases; main trade-off: 4-pin P4 only; won't extend 8-pin (4+4) EPS12V CPU connectors.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 8-inch reach extends short PSU cables to CPU headers in bottom-mount cases
  • ✓ Cost-effective 2-pack includes a spare for your build toolkit
  • ✓ Latching male-to-female P4 connectors resist accidental disconnection
  • ✓ Confirmed fit with Antec Basiq BP350, Rosewill 350W and Logisys 480W PSUs

Cons

  • ✗ 4-pin P4 only; won't extend 8-pin (4+4) EPS12V CPU connectors
  • ✗ 8-inch length may be too short for full-tower cable routing
  • ✗ Unsleeved bare cable looks plain in windowed builds
  • ✗ Extension cable only, not a replacement CPU power cable

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SpecPicks Verdict

SpecPicks scored Cable Matters 2-Pack ATX 4-Pin CPU Extension Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. Cable Matters's power supplies & cables 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 power supplies & cables 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.

Key Features

  • PSU to mobo CPU extension cable lengthens the connection between an existing power supply and the P4 connection on a motherboard
  • 4 pin CPU extension cable extends the power connector from a 12V ATX power supply to a motherboard CPU power connection
  • Cable management solution for connecting an older power supply to a new motherboard in a bottom mount computer case
  • PC builder essential cable for ATX power supplies that ship with a short 4 pin CPU power cable; Cost-effective 2-pack provides a spare cable to keep in your toolkit
  • Sturdy ATX PSU extension cable has a male 4-Pin P4 connector and a female 4-pin P4 connector with latches for a secure connection to prevent accidental disconnections; Compatible with popular ATX power supplies such as the Antec Basiq BP350 350 Watt Power Supply, Logisys Corp. 480W 240-Pin Dual Fan 20+4 ATX Power Supply, Rosewill 350-Watt Power Supply

Full Specifications

BrandCable Matters
ColorBlack
Gauge18
Model104036x2
Wattage350 watts
Cable TypeATX Power Cable
Item ShapeRound
Model Name104036
Unit Count1.33 Feet
Part Number104036x2
CompatibilityPC
Connector Type4 Pin ATX
Number of Pins4
Maximum Voltage12 volts
Number of Items2
Special FeatureTangle Free
Connector GenderMale-to-Female
Specification MetRoHS
Compatible DevicesComputer
Indoor Outdoor UsageIndoor, Outdoor
Full listing titleCable Matters 2-Pack ATX 4-Pin CPU Extension Cable, 8 inches | Power Supply Extension Cable, ATX 4-Pin CPU Extension, Power Supply Cable

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Cable Matters 2-Pack ATX 4-Pin CPU Extension Cable, 8 inches | Power Supply Extension Cable, ATX 4-Pin CPU Extension, Power Supply Cable
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