PSU Tier List
PC power supply units ranked by quality tier, from S (excellent) to D (avoid). Based on component quality, reliability testing, and independent reviews.
| Brand↕ | Model↕ | Wattage↕ | Cert.↕ | Modular↕ | Tier | Price CAD↕ | Buy |
|---|---|---|---|---|---|---|---|
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Tier S: ExcellentTier A: Very GoodTier B: GoodTier C: AcceptableTier D: Avoid
How to choose a PSU
The PSU tier list is based on actual internal component quality. Tier S PSUs use high-quality Japanese capacitors and proven reliability. Tier A is an excellent choice for most users. Avoid Tier C and D for gaming or workstation builds — a failing PSU can damage your expensive components.
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