Looking for an honest be quiet! Straight Power 12 1500W ATX 3.0 vs Corsair Cx750m Atx 80 comparison in 2026? We scored both power supplies on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the be quiet! Straight Power 12 1500W ATX 3.0 comes out ahead 67/100 to 57/100 — a 10-point gap. The widest gap is in performance, where the be quiet! Straight Power 12 1500W ATX 3.0 pulls noticeably ahead. On price the Corsair Cx750m Atx 80 undercuts the be quiet! Straight Power 12 1500W ATX 3.0 by 593% ($61.99 vs $429.79), which materially changes the value calculus for budget-conscious buyers.
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be quiet! Straight Power 12 1500W ATX 3.0 edges out the Corsair Cx750m Atx 80 in the power supplies category, especially in performance, scoring 67 vs 57. If you want the better overall power supplies, be quiet! Straight Power 12 1500W ATX 3.0 is the recommended choice.
Picking be quiet! Straight Power 12 1500W ATX 3.0 over Corsair Cx750m Atx 80 means trading these off.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | be quiet! Straight Power 12 1500W ATX 3.0W | Corsair Cx750m Atx 80 |
|---|---|---|
| Price | 429.79$ | 61.99$✓ |
| Weight | 2200g | 1800g✓ |
| Dimensions | 150 x 86 x 180 mm | 150 x 86 x 160 mm |
| Colors | Black | Black |
Buy be quiet! Straight Power 12 1500W ATX 3.0 if…
Buy the be quiet! Straight Power 12 1500W ATX 3.0 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Corsair Cx750m Atx 80 if…
Choose the Corsair Cx750m Atx 80 if budget is your top priority — it offers competitive specs at a lower price point.
be quiet! Straight Power 12 1500W ATX 3.0 edges out the Corsair Cx750m Atx 80 in the power supplies category, especially in performance, scoring 67 vs 57. If you want the better overall power supplies, be quiet! Straight Power 12 1500W ATX 3.0 is the recommended choice.
Yes, be quiet! Straight Power 12 1500W ATX 3.0 scores higher overall (67 vs 82).
Corsair Cx750m Atx 80 is cheaper at $61.99 vs $429.79 for the be quiet! Straight Power 12 1500W ATX 3.0.
Buy the be quiet! Straight Power 12 1500W ATX 3.0 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Choose the Corsair Cx750m Atx 80 if budget is your top priority — it offers competitive specs at a lower price point.
Corsair Cx750m Atx 80 is lighter at 1800g vs 2200g.
Reviewed by VersusMatrix Editorial Team
Last updated: May 31, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
Scores are relative within the power suppliescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.