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PSU Guide

Thermalright TR-ABFX

500W

BronzeSFXATX 2.xnon-modular2021
C-Published tier

Why this rating

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

C-Published rating
CEngine rating

Evidence

74%Limited lab data
PASS
5
WARN
2
FAIL
2
N/D
13
Rules v1.0.0

Ratings disagree by 1 step

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

  • FAIL

    Legacy primary topology (DF)weight 3

  • FAIL

    Passive (Schottky) 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

  • WARN

    Bronze 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 CWTweight 1.5

  • PASS

    Platform GPHweight 1.5

  • N/D

    No independent laboratory report linked yetweight 2

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

    • Primary conversion stage: Legacy primary topology (DF)
    • Secondary rectification: Passive (Schottky) rectification
    • Efficiency certification: Bronze class efficiency
    • Too many failed criteria for this tier (2)
  2. MISSED

    Tier B - strong mainstreamspec 12.10

    • Primary conversion stage: Legacy primary topology (DF)
    • Secondary rectification: Passive (Schottky) rectification
    • Too many failed criteria for this tier (2)
  3. MET

    Tier C - adequatespec 12.11

  • Weighted pass ratio 65% with 2 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
  • Fan bearing type
  • Protection coverage
  • Over-current protection declared
  • Over-temperature protection declared
  • Protection trip points
  • Measured electrical behaviour
  • +12V ripple
  • Voltage regulation
  • +12V transient response
  • Independent laboratory evidence
  • Manufacturer warranty

Specification

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

Capacities
500 W
Form factor
SFX
ATX generation
ATX 2.x
Efficiency class
Bronze
AC input
Full range (~100–240 V)
Cable modularity
No
Introduced
2021

Electrical architecture

What is actually inside, when it is known.

Primary stage
DF
Secondary rectification
PR
Minor rail regulation
DC-DC
Built by
CWT
Platform
GPH

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 1103). 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.

Chieftec/Chieftronic

Smart BFX-BS

C-

350/450W

no price yet

BronzeSFXATX 2.xDC-DC230V only
Built by
CWT
Platform
GPH
Introduced
2021
Engine rating
C-(74%)
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