Looking for an honest be quiet! Straight Power 12 1000W vs Corsair RM750x 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. Both products score nearly identically (59/100 vs 57/100) — this is a genuine toss-up that hinges on which specs matter most for your use case. The widest gap is in battery life, where the Corsair RM750x pulls noticeably ahead. On price the Corsair RM750x undercuts the be quiet! Straight Power 12 1000W by 76% ($84.99 vs $149.95), which materially changes the value calculus for budget-conscious buyers.
Prices may vary · We may earn a commission on purchases. Learn more
be quiet! Straight Power 12 1000W and Corsair RM750x are closely matched power supplies devices with nearly identical overall scores (59 vs 57). The best choice depends on which specific features matter most to you.
be quiet!
$150
Scores are relative within the power suppliescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | be quiet! Straight Power 12 1000W | Corsair RM750x |
|---|---|---|
| Price | 149.95$ | 84.99$✓ |
| Weight | 1800g | 1600g✓ |
| Dimensions | 150 x 86 x 160 mm | 150 x 86 x 160 mm |
| Colors | Black | Black |
Buy be quiet! Straight Power 12 1000W if…
The be quiet! Straight Power 12 1000W is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy Corsair RM750x if…
Choose the Corsair RM750x if budget is your top priority — it offers competitive specs at a lower price point.
be quiet! Straight Power 12 1000W and Corsair RM750x are closely matched power supplies devices with nearly identical overall scores (59 vs 57). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Corsair RM750x is cheaper at $84.99 vs $149.95 for the be quiet! Straight Power 12 1000W.
The be quiet! Straight Power 12 1000W is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Choose the Corsair RM750x if budget is your top priority — it offers competitive specs at a lower price point.
Corsair RM750x is lighter at 1600g vs 1800g.
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.