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24 Pin Main Second Dual PSU ATX Power Supply Motherboard Adapter Cable
Optimal Shop

24 Pin Main Second Dual PSU ATX Power Supply Motherboard Adapter Cable

Bottom line: The 24 Pin Main Second Dual PSU ATX Power Supply Motherboard Adapter Cable ($8.99 on Amazon as of 2026-10-06): Runs two power supplies from one motherboard, both start on a single PC power press; main trade-off: needs case room or chassis mods to house two PSUs.

$8.99

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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.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Runs two power supplies from one motherboard, both start on a single PC power press
  • ✓ Adds a second PSU without replacing your existing power supply
  • ✓ Feeds extra power to multiple GPUs for mining and dual-PSU gaming rigs
  • ✓ Fits both 24-pin and 20-pin ATX motherboards

Cons

  • ✗ Needs case room or chassis mods to house two PSUs
  • ✗ Short 32cm/12.6in cable limits second-PSU placement
  • ✗ Bare adapter only, second power supply not included
  • ✗ No inline fuse or surge protection built in

Manufacturer description

Features:Length:32 cm/12.6 InDual PSU cable. Secondary Power Supply Unit adapter.Add a second PSU to your PC.Connect 2 Power Supply Units together to provide more power to your computer components without having to upgrade your existing Power supply unit.Your computer will require enough room to accommodate 2 PSUs. You can modify your chassis or purchase one of the Chassis mentioned bellow.This is safe as the motherboard gets power from one PSU only. The second PSU provide power to other components. Both PSU start when the On / Off button of your PC is pressed.Package includes:1 Pcs Dual PSU…

SpecPicks Verdict

SpecPicks scored 24 Pin Main Second Dual PSU ATX Power Supply Motherboard Adapter Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. Optimal Shop'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

  • Enables two power supplies to be connected to single motherboard with power on/off at same time.
  • Special power cable for Bitcoin Miner motherboard and Dual PSU gaming.
  • Both PSU will be powered up by one single motherboard.
  • Use a second PSU to power multiple graphics cards.
  • Can be used with both 24 pin and 20 pin ATX motherboards.

Full Specifications

BrandOptimal Shop
ModelOptimal Shop
Cable TypeATX
Unit Count1.0 Count
Part NumberOptimal Shop
Connector TypeAtx
Number of Pins24
Maximum Voltage12 Volts
Special FeatureLightweight
Connector GenderMale-to-Male
Compatible DevicesPersonal Computer
Indoor Outdoor UsageIndoor, Outdoor
Customer Package TypeStandard Packaging
Compatible Phone ModelsNo Compatible Phone Models
Other Special Features of the ProductLightweight

Ready to buy?

24 Pin Main Second Dual PSU ATX Power Supply Motherboard Adapter Cable is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $8.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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