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PSU Guide

Corsair SF Platinum 2019

450/600/750W

PlatinumSFXATX 2.xFull modular2019
APublished tier

Why this rating

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

APublished rating
FEngine rating

Evidence

74%Limited lab data
PASS
7
WARN
1
FAIL
1
N/D
13
Rules v1.0.0

Ratings disagree by 12 steps

The engine rates this unit lower than the imported list, driven by the criteria listed below.

Critical failure

  • Confirmed safety hazard, mass failures or falsified certification (Safety or integrity problem reported: 2020 (lot codes 194448xx to 201148xx) recalled for potential failures.)

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

    Platinum class efficiencyweight 2

Components

  • N/D

    Capacitor temperature rating is not documentedweight 2

  • N/D

    Fan bearing type is not documentedweight 1.5

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 Great Wallweight 1.5

  • PASS

    Platform Modified SF Gold platformweight 1.5

  • N/D

    No independent laboratory report linked yetweight 2

Warranty and support

  • N/D

    Warranty length is not documentedweight 1.5

Safety

  • FAIL

    Safety or integrity problem reported: 2020 (lot codes 194448xx to 201148xx) recalled for potential failures.weight 3

    2020 (lot codes 194448xx to 201148xx) recalled for potential failures.(editorial note)

How the tier was reached

  1. MET

    Critical failurespec 12.14

  • Tier F assigned by critical failure rules (spec 12.14)

Specification

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

Capacities
450 W600 W750 W
Form factor
SFX
ATX generation
ATX 2.x
Efficiency class
Platinum
AC input
Full range (~100–240 V)
Cable modularity
Full
Introduced
2019

Electrical architecture

What is actually inside, when it is known.

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

Reviewer notes

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

Braided cables, some units manufactured between Oct. 2019 to Mar. 2020 (lot codes 194448xx to 201148xx) recalled for potential failures.

  • Safety hazard, mass failure or false certification claimnoconfidence 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 421). 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.

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