be quiet! Straight Power 12 850W
850 W · Platinum
NZXT C1500 Platinum
1500 W · Platinum · ATX 3.1
NZXT C1500 Platinum takes it — here’s why.
In our weighted Specdex score, be quiet! Straight Power 12 850W lands at 90 and NZXT C1500 Platinum at 91. That puts NZXT C1500 Platinum ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick be quiet! Straight Power 12 850W if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Pick NZXT C1500 Platinum if…
- ✓Massive 1500 W headroom
- ✓ATX 3.1 12V-2x6
- ✓CAM software monitoring
Winner by scenario
Derived from the sub-score breakdown · not a separate testEfficiency
NZXT C1500 PlatinumCompared on the efficiency sub-score
NZXT C1500 Platinum leads on efficiency (94 vs 90).
Cables
NZXT C1500 PlatinumCompared on the cables sub-score
NZXT C1500 Platinum leads on cables (92 vs 86).
Noise
NZXT C1500 PlatinumCompared on the noise sub-score
NZXT C1500 Platinum leads on noise (88 vs 86).
Value for money
be quiet! Straight Power 12 850WSpecdex score per dollar at MSRP
be quiet! Straight Power 12 850W more score per dollar ($199 vs $349).
Score breakdown
Specs side-by-side
| Spec | be quiet! Straight Power 12 850W | NZXT C1500 Platinum |
|---|---|---|
| Wattage | 850 W | 1500 W |
| Efficiency | Platinum | 80+ Platinum |
| Standard | — | ATX 3.1 |
| Connectors | — | 1× 12V-2x6 (600W) |
be quiet! Straight Power 12 850W
- +Modular cabling on most
- +ATX 3.1 / 12V-2x6 support
- +10-year warranty on many
- −Bulky on higher wattages
- −Fan noise varies by load
- −Cable length may not fit some cases
NZXT C1500 Platinum
- +Massive 1500 W headroom
- +ATX 3.1 12V-2x6
- +CAM software monitoring
- −Overkill for most builds
- −Expensive
- −Fan a hair loud at max
FAQ: be quiet! Straight Power 12 850W vs NZXT C1500 Platinum
Which is better, be quiet! Straight Power 12 850W or NZXT C1500 Platinum? +
NZXT C1500 Platinum scores 91 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is be quiet! Straight Power 12 850W worth the price? +
At $199, be quiet! Straight Power 12 850W delivers a Specdex score of 90 — strongest in efficiency.
Is NZXT C1500 Platinum worth the price? +
At $349, NZXT C1500 Platinum delivers a Specdex score of 91 — strongest in efficiency.
Does be quiet! Straight Power 12 850W or NZXT C1500 Platinum last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for efficiency, be quiet! Straight Power 12 850W or NZXT C1500 Platinum? +
NZXT C1500 Platinum — leads on efficiency (94 vs 90). Compared on the efficiency sub-score.
Which is better for cables, be quiet! Straight Power 12 850W or NZXT C1500 Platinum? +
NZXT C1500 Platinum — leads on cables (92 vs 86). Compared on the cables sub-score.