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ASRock Steel Legend 650W Power Supply ATX 3.1 PCle iCOOL Full Modular 10 Years Warranty 135 mm FDB Fan SL-650G 80 Plus Gold Cybenetics Platinum Japanese Capacitor 5V Boost
ASRock

ASRock Steel Legend 650W Power Supply ATX 3.1 PCle iCOOL Full Modular 10 Years Warranty 135 mm FDB Fan SL-650G 80 Plus Gold Cybenetics Platinum Japanese Capacitor 5V Boost

Bottom line: The ASRock Steel Legend 650W Power Supply ATX 3.1 PCle iCOOL Full Modular is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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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.

Pros & Cons

Pros

  • ✓ ***Not compatible with all built-in computers or systems
  • ✓ Backed by ASRock'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

SpecPicks Verdict

SpecPicks scored ASRock Steel Legend 650W Power Supply ATX 3.1 PCle iCOOL Full… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. ASRock'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.

Key Features

  • ***Not compatible with all built-in computers or systems
  • 80 PLUS GOLD Certified Cybenetics PLATINUM and LAMBDA A+ Certified
  • ATX3.1 Ready
  • Fully Modular Cable Design
  • 100% Highly Reliable Japanese Capacitors
  • 135mm Striped Axial FDB Fan

Full Specifications

BrandASRock
Weight650g
Wattage650 watts
Model NameSteel Legend
Form FactorATX
Connector TypeATX, PCI Express
Cooling MethodAir
Number of Fans1
Output Wattage650 watts
Compatible DevicesPersonal Computer
Connector Quantity4
Power Supply DesignFull Modular
Number of Connectors4
Warranty Description10 years
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage110 volts_of_alternating_current
System Bus Connector TypeATX
Connector Type Used on CableATX, PCI Express
EU Spare Part Availability Duration10 years

Ready to buy?

ASRock Steel Legend 650W Power Supply ATX 3.1 PCle iCOOL Full Modular 10 Years Warranty 135 mm FDB Fan SL-650G 80 Plus Gold Cybenetics Platinum Japanese Capacitor 5V Boost 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.

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