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PSU Guide

Cooler Master XG Plus Platinum

650/750/850W

PlatinumATXATX 2.xFull modular2021
A+Published tier

Why this rating

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

A+Published rating
B+Engine rating

Evidence

74%Limited lab data
PASS
8
WARN
1
FAIL
0
N/D
13
Rules v1.0.0

Ratings disagree by 3 steps

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

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 XHYweight 1.5

  • PASS

    Platform 2011XG (Customweight 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. MET

    Tier A - reference classspec 12.9

  • Weighted pass ratio 95% with 1 warning(s)
  • Capped at B+: confidence 74% does not support a higher rating

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
650 W750 W850 W
Form factor
ATX
ATX generation
ATX 2.x
Efficiency class
Platinum
AC input
Full range (~100–240 V)
Cable modularity
Full
Introduced
2021

Electrical architecture

What is actually inside, when it is known.

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

Reviewer notes

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

Built-in screen, ARGB fan, and digital fan control and monitoring via MasterPlus software.

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 369). 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.

Cooler Master

XG Platinum

A+

650/750/850W

no price yet

PlatinumATXATX 2.xDC-DC
Built by
XHY
Introduced
2021
Engine rating
B+(74%)
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