Multi-rail units - Not necessarily better than single-rail units but provide an extra layer of protection by having 12V OCP set lower than total capacity, which is especially relevant for very high capacity units (=>1kW). Not recommended for purchase over any normal priority units. Low priority subtiers - Lack of info (no reviews) or minor issues (see the corresponding tab in the spreadsheet). Numbers in red colored square brackets - footnotes, see descritptions at the end of respective tiers Square brackets - Additional description (wattage range, part of SKU code, label / casing color, release year) Parenthesis / Round brackets - Model variations (which belong to the same position) Slash - Models (inside one series) separator Hyphen / Dash - Series / lineups separator Gold - best units in the tier (includes requirements for blue color in tier A)īlue - quiet operation under moderate load (see details in the spreadsheet) Green - small form-factor (gold and blue colors are disregarded due to scarcity of SFX PSUs)
