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PSU Guide

Seasonic Core GX

500/550/650W

GoldATXATX 2.xFull modular2022
C+Published tier

Why this rating

Every criterion, its status, and the evidence behind it.

C+Published rating
BEngine rating

Evidence

84%Well evidenced
PASS
9
WARN
1
FAIL
1
N/D
11
Rules v1.0.0

Ratings disagree by 2 steps

The engine rates this unit higher than the imported list, usually because the list de-tiers units that lack independent testing while the engine records that as low confidence instead.

Architecture

  • PASS

    Resonant primary stage (LLC)weight 3

  • PASS

    Synchronous rectificationweight 2

  • PASS

    Independent DC-DC converters for +5V and +3.3Vweight 3

  • N/D

    PFC type is not documented; APFC assumed only when statedweight 2

Standards

  • WARN

    ATX 2.x generation platformweight 2

  • PASS

    Full-range input (~100-240 VAC)weight 2

Efficiency

  • PASS

    Gold class efficiencyweight 2

Components

  • N/D

    Capacitor temperature rating is not documentedweight 2

  • FAIL

    Sleeve bearing fan (Sleeve bearing fan.)weight 1.5

    Sleeve bearing fan.(editorial note)

Protections

  • N/D

    Protection set has not been verified independentlyweight 3

  • N/D

    OCP declaration has not been verifiedweight 2

  • N/D

    OTP declaration has not been verifiedweight 1.5

  • N/D

    Protection trip points have not been measuredweight 2

Electrical performance

  • N/D

    No qualitative electrical assessment on recordweight 3

  • N/D

    No ripple measurement on recordweight 3

  • N/D

    No voltage regulation measurement on recordweight 2

  • N/D

    No transient response measurement on recordweight 2

Evidence

  • PASS

    Built by Seasonicweight 1.5

  • PASS

    Platform Focus Gold costdownweight 1.5

  • PASS

    Independent testing on record (Source: Aris)weight 2

    Source: Aris(editorial note)

Warranty and support

  • N/D

    Warranty length is not documentedweight 1.5

Safety

  • PASS

    No safety incidents or false claims on recordweight 3

How the tier was reached

  1. MISSED

    Tier A - reference classspec 12.9

    • Fan bearing type: Sleeve bearing fan (Sleeve bearing fan.)
    • Too many failed criteria for this tier (1)
  2. MET

    Tier B - strong mainstreamspec 12.10

  • Weighted pass ratio 89% with 1 warning(s)

Missing evidence

These criteria could not be resolved. They lower the confidence index rather than count against the unit.

  • Active power factor correction
  • Electrolytic capacitor temperature rating
  • Protection coverage
  • Over-current protection declared
  • Over-temperature protection declared
  • Protection trip points
  • Measured electrical behaviour
  • +12V ripple
  • Voltage regulation
  • +12V transient response
  • Manufacturer warranty

Specification

Values carry the source they came from; unknowns stay unknown.

Capacities
500 W550 W650 W
Form factor
ATX
ATX generation
ATX 2.x
Efficiency class
Gold
AC input
Full range (~100–240 V)
Cable modularity
Full
Introduced
2022

Electrical architecture

What is actually inside, when it is known.

Primary stage
LLC
Secondary rectification
SR
Minor rail regulation
DC-DC
Built by
Seasonic

Reviewer notes

Free text from the source, used by the engine as signals.

Sleeve bearing fan. 3.3V rail is subpar in transient testing, fan profile is aggressive and very loud when pushed. Source: Aris

  • Sleeve bearing fan reportedSleeveconfidence 60%
  • Independent laboratory testing referencedyesconfidence 60%

Where this data comes from

Each field records which source supplied it and how sure we are.

FieldSourceConfidenceCaptured
oemPSU Tier List (seed workbook)trust 7070%workbook import
intro_yearPSU Tier List (seed workbook)trust 7070%workbook import
modularityPSU Tier List (seed workbook)trust 7070%workbook import
atx_versionPSU Tier List (seed workbook)trust 7070%workbook import
form_factorPSU Tier List (seed workbook)trust 7070%workbook import
input_rangePSU Tier List (seed workbook)trust 7070%workbook import
platformPSU Tier List (seed workbook)trust 7070%workbook import
editorial_tierPSU Tier List (seed workbook)trust 7070%workbook import
efficiency_classPSU Tier List (seed workbook)trust 7070%workbook import
primary_topologyPSU Tier List (seed workbook)trust 7070%workbook import
minor_rail_regulationPSU Tier List (seed workbook)trust 7070%workbook import
secondary_rectificationPSU Tier List (seed workbook)trust 7070%workbook import

Primary source: PSU Tier List (seed workbook) (row 864). Community-maintained tier list imported as the seed data set. Ratings from this source are shown as the published tier; the Tier Engine computes its own rating separately.

Built on the same platform

Different badge, same electrical design.

Check this against my buildAdd to comparison