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Be Quiet Dark Power Pro P9 550W PSU review

By on July 2, 2011 10:26 pm
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Be-Quiet is a company based in Germany which for the past few years has been creating computer related products for enthusiasts. The company has a long list of products but their primary focus lies on high quality and silent power supply units. During the past few weeks we have reviewed two units from their Straight Power series, the E8 CM 680W modular PSU and the mainstream E8 400W PSU. Today we are going to have a thorough look at the weakest power supply of Be-Quiet’s best series, the Dark Power Pro P9 550W power supply.

Be-Quiet is a company based in Germany which for the past few years has been creating computer related products for enthusiasts. The company has a long list of products but their primary focus lies on high quality and silent power supply units. During the past few weeks we have reviewed two units from their Straight Power series, the E8 CM 680W modular PSU and the mainstream E8 400W PSU. Today we are going to have a thorough look at the weakest power supply of Be-Quiet’s best series, the Dark Power Pro P9 550W power supply.

 

Manufacturer’s features and specifications

  • For high-res gaming, professional graphics
  • For stable high-end multi-GPU applications
  • 12V multi-single rail operation, overclocking
  • Cable management
  • Extremely quiet running
  • Top efficiency (80 PLUS Gold)

 

Continuous power (W)

550

Peak power 500 ms (W)

650

Form factor ATX 12V

ATX12V Version 2.3

Form factor EPS 12V

EPS12V Version 2.92

Modular cable management

YES

Special technology

LLC, DC/DC

Voltage (Vac)

100 – 240

Frequency (Hz)

50 – 60

Input current (A)

8 – 4

PFC, active

YES

PF Power factor at 100% load

0.99

Compliant to Intel C6 mode

YES

Power consumption in standby (W)

< 0,3

Average life time (h / 25°C)

100.000

Operating temperature (°C)

0 – 40

 

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