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be quiet! Straight Power 12 850W — 850 W · Platinum
be quiet!

be quiet! Straight Power 12 850W

850 W · Platinum

90
/ 100
From $199
VS
Corsair HX1000i wins by 2
Corsair HX1000i — 1000 W · Platinum
Corsair

Corsair HX1000i

1000 W · Platinum

92
/ 100
From $279
Specdex verdict

Corsair HX1000i takes it — here’s why.

In our weighted Specdex score, be quiet! Straight Power 12 850W lands at 90 and Corsair HX1000i at 92. That puts Corsair HX1000i ahead by 2 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 HX1000i if…

  • Modular cabling on most
  • ATX 3.1 / 12V-2x6 support
  • 10-year warranty on many
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Efficiency

Corsair HX1000i

Compared on the efficiency sub-score

Corsair HX1000i leads on efficiency (92 vs 90).

Noise

Tie

Compared on the noise sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Cables

Tie

Compared on the cables sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

be quiet! Straight Power 12 850W

Specdex score per dollar at MSRP

be quiet! Straight Power 12 850W more score per dollar ($199 vs $279).

be quiet! Straight Power 12 850W 90
vs
92 Corsair HX1000i

Score breakdown

be quiet! Straight Power 12 850W
90
efficiency 90
noise 86
cables 86
value 84
Corsair HX1000i
92
efficiency 92
noise 86
cables 86
value 84

Specs side-by-side

be quiet! Straight Power 12 850W versus Corsair HX1000i — full spec comparison
Spec be quiet! Straight Power 12 850W Corsair HX1000i
Wattage
850 W
1000 W
Efficiency
Platinum
Platinum

be quiet! Straight Power 12 850W

Pros
  • +Modular cabling on most
  • +ATX 3.1 / 12V-2x6 support
  • +10-year warranty on many
Cons
  • Bulky on higher wattages
  • Fan noise varies by load
  • Cable length may not fit some cases

Corsair HX1000i

Pros
  • +Modular cabling on most
  • +ATX 3.1 / 12V-2x6 support
  • +10-year warranty on many
Cons
  • 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 HX1000i

Which is better, be quiet! Straight Power 12 850W or Corsair HX1000i? +

Corsair HX1000i scores 92 on our weighted rubric — ahead by 2. 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 HX1000i worth the price? +

At $279, Corsair HX1000i delivers a Specdex score of 92 — strongest in efficiency.

Does be quiet! Straight Power 12 850W or Corsair HX1000i 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 Corsair HX1000i? +

Corsair HX1000i — leads on efficiency (92 vs 90). Compared on the efficiency sub-score.

Which is the better value, be quiet! Straight Power 12 850W or Corsair HX1000i? +

be quiet! Straight Power 12 850W — more score per dollar ($199 vs $279). Specdex score per dollar at MSRP.