Looking for an honest be quiet! Straight Power 12 1000W vs Corsair RM1000x 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 59/100) — 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 RM1000x pulls noticeably ahead. On price the be quiet! Straight Power 12 1000W undercuts the Corsair RM1000x by 19% ($149.95 vs $179), which materially changes the value calculus for budget-conscious buyers.
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be quiet! Straight Power 12 1000W and Corsair RM1000x are closely matched power supplies devices with nearly identical overall scores (59 vs 59). The best choice depends on which specific features matter most to you.
be quiet!
$150
Scores are relative within the power suppliescategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
| Spec | be quiet! Straight Power 12 1000W | Corsair RM1000x |
|---|---|---|
| Price | 149.95$✓ | 179$ |
| Weight | 1800g | — |
| Dimensions | 150 x 86 x 160 mm | 150 x 86 x 160 mm |
| Colors | Black | Black |
Buy be quiet! Straight Power 12 1000W if…
Choose the be quiet! Straight Power 12 1000W if budget is your top priority — it offers competitive specs at a lower price point.
Buy Corsair RM1000x if…
The Corsair RM1000x is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
be quiet! Straight Power 12 1000W and Corsair RM1000x are closely matched power supplies devices with nearly identical overall scores (59 vs 59). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
be quiet! Straight Power 12 1000W is cheaper at $149.95 vs $179 for the Corsair RM1000x.
Choose the be quiet! Straight Power 12 1000W if budget is your top priority — it offers competitive specs at a lower price point.
The Corsair RM1000x is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
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.