be quiet! Straight Power 12 850W
850 W · Platinum
Corsair SF1000L
1000 W · Gold
Corsair SF1000L takes it — here’s why.
In our weighted Specdex score, be quiet! Straight Power 12 850W lands at 90 and Corsair SF1000L at 91. That puts Corsair SF1000L 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 Corsair SF1000L if…
- ✓Modular cabling on most
- ✓ATX 3.1 / 12V-2x6 support
- ✓10-year warranty on many
Winner by scenario
Derived from the sub-score breakdown · not a separate testEfficiency
TieCompared on the efficiency sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Noise
TieCompared on the noise sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Cables
TieCompared on the cables sub-score
Effectively tied — neither pulls a 2-point weighted lead.
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 $299).
Score breakdown
Specs side-by-side
| Spec | be quiet! Straight Power 12 850W | Corsair SF1000L |
|---|---|---|
| Wattage | 850 W | 1000 W |
| Efficiency | Platinum | Gold |
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
Corsair SF1000L
- +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
FAQ: be quiet! Straight Power 12 850W vs Corsair SF1000L
Which is better, be quiet! Straight Power 12 850W or Corsair SF1000L? +
Corsair SF1000L 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 Corsair SF1000L worth the price? +
At $299, Corsair SF1000L delivers a Specdex score of 91 — strongest in efficiency.
Does be quiet! Straight Power 12 850W or Corsair SF1000L 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 the better value, be quiet! Straight Power 12 850W or Corsair SF1000L? +
be quiet! Straight Power 12 850W — more score per dollar ($199 vs $299). Specdex score per dollar at MSRP.