Lian Li PE
750W
Why this rating
Every criterion, its status, and the evidence behind it.
Evidence
- PASS
- 7
- WARN
- 2
- FAIL
- 2
- N/D
- 11
Ratings disagree by 1 step
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
Gold class efficiencyweight 2
Components
- FAIL
85 degC electrolytic capacitors found (Low quality sleeve bearing fan, 85C caps, and only a 2 year manufacturer warranty.)weight 2
Low quality sleeve bearing fan, 85C caps, and only a 2 year manufacturer warranty.(editorial note)
- FAIL
Sleeve bearing fan (Low quality sleeve bearing fan, 85C caps, and only a 2 year manufacturer warranty.)weight 1.5
Low quality sleeve bearing fan, 85C caps, and only a 2 year manufacturer warranty.(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 Enhanceweight 1.5
- WARN
Platform attribution is probable but unconfirmed (No match (Custom)weight 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
- MISSED
Tier A - reference classspec 12.9
- — Electrolytic capacitor temperature rating: 85 degC electrolytic capacitors found (Low quality sleeve bearing fan, 85C caps, and only a 2 year manufacturer warranty.)
- — Fan bearing type: Sleeve bearing fan (Low quality sleeve bearing fan, 85C caps, and only a 2 year manufacturer warranty.)
- — Too many failed criteria for this tier (2)
- MISSED
Tier B - strong mainstreamspec 12.10
- — Electrolytic capacitor temperature rating: 85 degC electrolytic capacitors found (Low quality sleeve bearing fan, 85C caps, and only a 2 year manufacturer warranty.)
- — Too many failed criteria for this tier (1)
- MET
Tier C - adequatespec 12.11
- Weighted pass ratio 78% 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
- 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
- 750 W
- Form factor
- SFX-L
- ATX generation
- ATX 2.x
- Efficiency class
- Gold
- AC input
- Full range (~100–240 V)
- Cable modularity
- Full
- Introduced
- 2016
Electrical architecture
What is actually inside, when it is known.
- Primary stage
- LLC
- Secondary rectification
- SR
- Minor rail regulation
- DC-DC
- Built by
- Enhance
- Platform
- No match (Custom
Reviewer notes
Free text from the source, used by the engine as signals.
Low quality sleeve bearing fan, 85C caps, and only a 2 year manufacturer warranty.
- Sleeve bearing fan reportedSleeveconfidence 60%
- 85 degC capacitors reportednoconfidence 60%
Where this data comes from
Each field records which source supplied it and how sure we are.
| Field | Source | Confidence | Captured |
|---|---|---|---|
| oem | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| intro_year | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| modularity | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| atx_version | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| form_factor | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| input_range | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| platform | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| editorial_tier | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| efficiency_class | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| primary_topology | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| minor_rail_regulation | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
| secondary_rectification | PSU Tier List (seed workbook)trust 70 | 70% | workbook import |
Primary source: PSU Tier List (seed workbook) (row 718). 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.