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Corsair RMX Series RM1000x and be quiet! Straight Power 12 1500W ATX 3.0 are closely matched power supplies devices with nearly identical overall scores (68 vs 67). The best choice depends on which specific features matter most to you.
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 | Corsair RMX Series RM1000x | be quiet! Straight Power 12 1500W ATX 3.0 |
|---|---|---|
| Price | 115$✓ | 429.79$ |
| Weight | 1800g✓ | 2200g |
| Dimensions | 150 x 86 x 160 mm | 150 x 86 x 180 mm |
| Colors | Black | Black |
Buy Corsair RMX Series RM1000x if…
Choose the Corsair RMX Series RM1000x if budget is your top priority — it offers competitive specs at a lower price point.
Buy be quiet! Straight Power 12 1500W ATX 3.0 if…
The be quiet! Straight Power 12 1500W ATX 3.0 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Corsair RMX Series RM1000x and be quiet! Straight Power 12 1500W ATX 3.0 are closely matched power supplies devices with nearly identical overall scores (68 vs 67). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Corsair RMX Series RM1000x is cheaper at $115 vs $429.79 for the be quiet! Straight Power 12 1500W ATX 3.0.
Choose the Corsair RMX Series RM1000x if budget is your top priority — it offers competitive specs at a lower price point.
The be quiet! Straight Power 12 1500W ATX 3.0 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Corsair RMX Series RM1000x is lighter at 1800g vs 2200g.
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 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.
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