Top German power supply manufacturer be quiet! is adding some lower power offerings to its Dark Power Pro 11 series. These new PSU models should allow your lower power systems to further enjoy the silence.


be quiet! Enjoys the Silence with Expanded Dark Power Pro 11 Series

The Dark Power Pro 11 series already includes power supply units rated at 850W, 1000W, and 1200w, and were great options for enthusiasts looking to power their über-rigs. be quiet! is adding models with 550W, 650W, and 750W capacity to this line.

These new additions will still feature the same 80PLUS® Platinum certification as their higher rated siblings. They will also feature the same SilentWings 3 cooling fan, in a 135mm form factor, which will provide unrivaled cooling to high quality electrical components found within. These new Dark Power Pro 11 power supplies will also be near fully modular, with only the primary ATX power cables being permanently affixed.

The new be quiet! Dark Power Pro 11 power supplies should be available now. More info can be found in the press release below.

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be quiet! extends Dark Power Pro 11 series with three models

550, 650 and 750 Watt versions available as of today

Glinde, September 8th, 2015 - be quiet!, the market leader in PC power supplies in Germany for nine consecutive years*, is extending the Dark Power Pro 11 series. New models with 550, 650 and 750 Watt capacity will tally to the 850, 1000 and 1200 Watt power supplies that were introduced in May. With their 80PLUS® Platinum certification and a slew of noise optimizations, these are the manufacturer's most efficient and silent models. be quiet! offers a new, high-quality alternative for powering high-end, gaming, overclocking and workstation systems.

Optimal power supply for high-end systems

With the new models, be quiet! rounds up the Dark Power Pro 11 series in the lower Watt classes. These alternatives for less demanding high-end systems offer a well-known feature set. These include modular cable management, fan connectors controlled by a temperature sensor, and the Overclocking Key. The latter allows the merger of four separate 12V rails to switch from multi-rail operation to single-rail, delivering maximum performance under high loads.

80PLUS® Platinum and SilentWings® 3

Thanks to the optimized “Half Bridge + LLC + SR + DC/DC” topology, the Dark Power Pro 11 power supplies with 550, 650 and 750 Watt have extremely high efficiency, up to 94 percent (80PLUS® Platinum certification). The power supply is utilizing a SilentWings® 3 in 135-milimeter format, for near-silent operation. To reduce the noise level to the absolute minimum, be quiet! has chosen to equip this fan with a modern 6-pole motor and airflow-optimized fan blades. “Fluid Dynamic Bearing”, the low startup speed of 220 rotations per minute and the funnel-shaped air intake have been adopted as well. In addition, the power supply housing has been equipped with rubber linings so that it is decoupled from the PC case, preventing the transfer of vibrations between the two. All these technologies ensure that the 550 Watt version of the Dark Power Pro 11 is the quietest PSU that be quiet! has ever produced.

Top quality components and five-year warranty

be quiet! only uses top quality components in the high-end power supplies of the Dark Power Pro 11 series. These include high-quality Japanese electrolytic capacitors on the output side. The manufacturer also consistently implemented aluminum solid capacitors to ensure high durability and reliability. All capacitors are specified for 105 degrees Celsius. At the same time, output noise generated by load changes is prevented by using high-quality components. The sophisticated board layout with six daughter boards leads to shorter interconnects and enables good heat dissipation. be quiet! aims for a non-compromise build quality on its Dark Power 11 series and offers a five-year warranty.

The new model versions in the Dark Power Pro 11 series are available in shops as of today for a MSRP of $149/£115/€154 (550 Watt), $164/£130/€175 (650 Watt) and $179/£150/€199 (750 Watt) respectively.

* Source: GfK Panel Market Germany, sales units internal computer power supplies, January 2015

About be quiet!

be quiet! is a premium brand of PC power supplies, PC cases and cooling solutions as well as the consistent PSU market leader in Germany since 2007*.

All conception, design and testing is done with a German passion for quality and precision at our headquarters in Germany. Innovative engineering concepts, premium materials and world-class quality make be quiet! products among the most silent, reliable and powerful available.

See bequiet.com.

* GfK data 2015

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