The be quiet! Dark Power 13 850W uses a high-end FSP platform that offers the highest efficiency, completely silent operation, and ATX v3.0 and PCIe 5.0 compatibility. The golden mean is tested today, because besides the 850-watt model, there is also the 750-watt variant and one with 1000 watts. Already the 850 watts are completely sufficient for a GeForce RTX 4090 FE with 450 watts BIOS and a maximally overclocked Intel Core i9-13900K. If you want to ride out the 600 watts of the graphics card, you should rather use the 1000 watt power supply. All in all, the new series without the Pro in its name is highly interesting.
Reason enough for me to once again let my friend Aris from Hardwarebusters have his say (and picture) on our site, because he has not only tested this power supply intensively, but also officially certified it via his company Cybenetics. Since it is certainly interesting for you as well, I am happy to offer him the platform here on a case-by-case basis to share his findings with you. And do not forget also his Website and the YouTube channel offer real gems of really well-founded reviews!
be quiet! seamlessly continues its collaboration with FSP with the Dark Power 13 series. Due to Titanium efficiency, the platform uses a bridgeless APFC design for lower power losses. In addition, quiet operation was a top priority: The device achieves an average operating noise of less than 15 dBA and has been awarded the impressive Cybenetics ETA-A++ rating. This brand is known for its low-noise products, and the Dark Power 13 series is a good example. S
Andwith a be quiet! In the end, you can’t go wrong with a power supply if noise is the most important factor. The Dark Power 13 uses a liquid-dynamic bearing fan that is driven by a very relaxed speed profile. I agree that you don’t need a semi-passive mode here either. From the moment the fan noise is negligible at low speeds, there is simply no need for a fan stop option. And the bonus of this action is then that there is no heat buildup inside the power supply.
cybenetics_Rr9
| Technical data | |
| Manufacturer (OEM): | FSP |
| Max Power: | 850W |
| Cybenetics Efficiency: | Efficiency: [115V] Cybenetics Titanium (91-93%) |
| 80 Plus Efficiency: | Titanium |
| Noise: | Cybenetics A++ (<15 dB[A]) |
| Compliance: | ATX v3.0, EPS 2.92 |
| Alternative Low Power Mode support: | yes |
| Power 12V: | 840 Watts on 4 rails |
| Power 5V + 3.3v: | 120 W |
| Power 5VSB: | 15 W |
| Cooling: | 35mm Fluid Dynamic Bearing Fan (BQ SIW3-13525-HF) |
| Semi-Passive Operation: | No |
| Modular Design: | Yes (Fully) |
| High Power Connectors: | 2x EPS (2x cables), 4x PCIe 6+2 pin (2x cables), 1x PCIe 12+4 pin (600 W) |
| Peripheral Connectors: | 12x SATA (4x cables), 2x 4-pin Molex (single cable) |
| ATX/EPS Cable Length: | 600/700 mm |
| Distance between SATA/Molex connectors: | 150 mm |
| In-cable capacitors: | No |
| Dimensions (W x H x D): | 150 mm x 85 mm x 170 mm |
| Weight: | 2.05 kg (4.52 lb) |
| Warranty: | 10 years |
be quiet! Dark Power 13 750W ATX 3.0 (BN333)
 | Lagernd, Lieferung 1-2 WerktageStand: 11.12.24 13:20 | 186,98 €*Stand: 11.12.24 13:27 |
 | Auf Lager, 1-2 Werktage | 187,91 €*Stand: 11.12.24 13:03 |
 | Augsburg: auf LagerBöblingen , Esslingen, Fellbach, Frankfurt, Heidelberg, Heilbronn, Karlsruhe, Lagerverkauf Magstadt, Ludwigsburg, Mannheim, Nürnberg, Pforzheim, Reutlingen, Stuttgart, Ulm: auf Lager in 1-2 WerktagenOnline-Shop (Versand): Lieferzeit 2-3 WerktageStand: 11.12.24 13:24 | 189,00 €*Stand: 11.12.24 13:27 |
be quiet! Dark Power 13 850W ATX 3.0 (BN334)
| Lagernd, Lieferung 1-2 WerktageStand: 11.12.24 13:20 | 231,38 €*Stand: 11.12.24 13:27 |
 | Auf Lager, Lieferzeit 1-2 Werktage | 231,39 €*Stand: 11.12.24 12:57 |
 | lagernd | 231,39 €*Stand: 11.12.24 13:20 |
be quiet! Dark Power 13 1000W ATX 3.0 (BN335)
 | lagernd: 10+ | 252,74 €*Stand: 11.12.24 13:16 |
| Lagernd, Lieferung 1-2 WerktageStand: 11.12.24 13:20 | 256,58 €*Stand: 11.12.24 13:27 |
| Auf Lager, Lieferzeit 1-2 Werktage | 257,68 €*Stand: 11.12.24 12:57 |
- 1 - Introduction, technical data and test report
- 2 - Unboxing, cables and protection circuits
- 3 - Teardown: topology, components, processing
- 4 - Load regulation, ripple suppression, transient response
- 5 - Hold-up time, timings, inrush-current
- 6 - Average efficiency and PF
- 7 - Noise and fan speed
- 8 - Summary and conclusion
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