Gigabyte Gaming GM PG5 P-GM Rev. 1 (Explosive)
750/850W
Why this rating
Every criterion, its status, and the evidence behind it.
Evidence
- PASS
- 7
- WARN
- 1
- FAIL
- 1
- N/D
- 13
Critical failure
- Confirmed safety hazard, mass failures or falsified certification (Safety or integrity problem reported: Widespread failures due to explosive FETs from bad board design.)
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
- 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 Xiamen Castecweight 1.5
- PASS
Platform MN-P850-2121weight 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: Widespread failures due to explosive FETs from bad board design.weight 3
Widespread failures due to explosive FETs from bad board design.(editorial note)
How the tier was reached
- 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
- 750 W850 W
- Form factor
- ATX
- ATX generation
- ATX 2.x
- Efficiency class
- Gold
- AC input
- Full range (~100–240 V)
- Cable modularity
- Full
- Introduced
- 2020
Electrical architecture
What is actually inside, when it is known.
- Primary stage
- LLC
- Secondary rectification
- SR
- Minor rail regulation
- DC-DC
- Built by
- Xiamen Castec
- Platform
- MN-P850-2121
Reviewer notes
Free text from the source, used by the engine as signals.
Widespread failures due to explosive FETs from bad board design. See serial number range in notes for affected units.
- 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.
| 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 662). 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.
Gigabyte
Ultra Durable UD-GM
750/850W
no price yet
- Built by
- Xiamen Castec
- Platform
- MN-P850-2121
- Introduced
- 2022
- Engine rating
- B+(74%)
750/850W
no price yet
- Built by
- Xiamen Castec
- Platform
- MN-P850-2121
- Introduced
- 2021
- Engine rating
- B+(74%)