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ATX 20-Pin to AT P8 P9 Power Supply Adapter Cable
Circotech

ATX 20-Pin to AT P8 P9 Power Supply Adapter Cable

Bottom line: The Circotech ATX 20-Pin to AT P8 P9 Power Supply Adapter Cable is a specs-and-price decision rather than a crowd-consensus one in the power supplies category, priced around $12.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$12.99

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

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

Pros & Cons

Pros

  • ✓ Backed by Circotech's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

This cable converts a 20-Pin ATX connector to 6-Pin P8 P9 AT connectors and two wires for the on/off switch.

SpecPicks Verdict

SpecPicks scored Circotech ATX 20-Pin to AT P8 P9 Power Supply Adapter Cable using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Circotech's power supplies 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 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.

Full Specifications

BrandCircotech
ColorBlack
ModelATX to AT
Cable TypeATX to AT
Item ShapeRound
Unit Count1.0 Count
Connector TypeAtx and at
Number of Pins26
Maximum Voltage12 Volts (DC)
Number of Items1
Special FeatureConnector Type Adaptation
Connector GenderMale-to-Male
Compatible DevicesPersonal Computer, Server
Indoor Outdoor UsageIndoor
Compatible Phone ModelsNo Compatible Phone Models
Recommended Uses For Productconnecting older AT-style power supplies to modern ATX-based computer systems
Other Special Features of the ProductConnector Type Adaptation

Ready to buy?

ATX 20-Pin to AT P8 P9 Power Supply 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 — $12.99

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

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