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PSU Guide

Antec/Atom VP (Value Power) F (Earthwatts Green)

550/650W

BronzeATXATX 2.xnon-modular2015
C-Published tier

Why this rating

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

C-Published rating
CEngine rating

Evidence

63%Limited lab data
PASS
4
WARN
2
FAIL
3
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

  • FAIL

    85 degC electrolytic capacitors found (650W utilizes 105C secondary caps, 550W 85C.)weight 2

    650W utilizes 105C secondary caps, 550W 85C.(editorial note)

  • 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 Delta Electronicsweight 1.5

  • N/D

    Platform has not been identifiedweight 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
    • Electrolytic capacitor temperature rating: 85 degC electrolytic capacitors found (650W utilizes 105C secondary caps, 550W 85C.)
    • Too many failed criteria for this tier (3)
  2. MISSED

    Tier B - strong mainstreamspec 12.10

    • Primary conversion stage: Legacy primary topology (DF)
    • Secondary rectification: Passive (Schottky) rectification
    • Electrolytic capacitor temperature rating: 85 degC electrolytic capacitors found (650W utilizes 105C secondary caps, 550W 85C.)
    • Too many failed criteria for this tier (3)
  3. MET

    Tier C - adequatespec 12.11

  • Weighted pass ratio 56% 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
  • 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
  • Platform attribution
  • Independent laboratory evidence
  • Manufacturer warranty

Specification

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

Capacities
550 W650 W
Form factor
ATX
ATX generation
ATX 2.x
Efficiency class
Bronze
AC input
Full range (~100–240 V)
Cable modularity
No
Introduced
2015

Electrical architecture

What is actually inside, when it is known.

Primary stage
DF
Secondary rectification
PR
Minor rail regulation
DC-DC
Platform
not documented

Reviewer notes

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

No inrush protection. Sold in the US as Earthwatts Green. 650W utilizes 105C secondary caps, 550W 85C.

  • 85 degC capacitors reportednoconfidence 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 138). 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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