be quiet! Dark Power Pro 13 1000W vs Seasonic PRIME PX-850
Efficiency, ATX compliance, 12V-2x6 support, Cybenetics rating, and 5-year total cost of ownership.
| Spec | be quiet! Dark Power Pro 13 1000W | Seasonic PRIME PX-850 |
|---|---|---|
| Wattage | 1000W | 850W |
| Efficiency Tier | titanium | platinum |
| ATX Version | ATX 3.1 | ATX 3.1 |
| 12V-2x6 (RTX 5090 safe) | ✓ Yes | ✓ Yes |
| Modular | full | full |
| Cybenetics Rating | ETA-A++ | ETA-A+ |
| MSRP | $349 | $219 |
| Est. Annual Electricity Cost | $238/yr | $246/yr |
| 5-Year Total Cost (TCO) | $1539 | $1449 |
5-Year Total Cost of Ownership
Assuming 500W average draw, 8 hours/day gaming, and $0.15/kWh electricity:
Seasonic PRIME PX-850 costs ~$1449 over 5 years (purchase + electricity), saving approximately $90 compared to be quiet! Dark Power Pro 13 1000W.
Note: be quiet! Dark Power Pro 13 1000W has higher efficiency but higher upfront cost. The TCO crossover depends on your electricity rate and usage.
Frequently Asked Questions
Which is more efficient — be quiet! Dark Power Pro 13 1000W or Seasonic PRIME PX-850?
be quiet! Dark Power Pro 13 1000W is rated 80+ Titanium (~92% efficient), making it more efficient than Seasonic PRIME PX-850 (80+ Platinum (~89% efficient)). Higher efficiency means less electricity waste as heat, lower operating costs, and better thermal performance.
Can be quiet! Dark Power Pro 13 1000W run an RTX 5090?
be quiet! Dark Power Pro 13 1000W includes a native 12V-2x6 cable and supports ATX 3.1 — it is compatible with the RTX 5090, provided the wattage (1000W) is sufficient for your full build.
Which has lower long-term cost?
At $0.15/kWh and 8 hours/day, Seasonic PRIME PX-850 costs ~$1449 total over 5 years (purchase + electricity) vs ~$1539 for be quiet! Dark Power Pro 13 1000W — a difference of ~$90.