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Gladiator Computers

be quiet! DARK POWER PRO 11 1200W Power Supply

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BN255 - 1200W be quiet! Dark Power Pro 11 Power Supply, Hybrid Modular 80 PLUS Platinum, 1x135mm, ATX v2.4, PSU

Price was:
£288.71 inc. VAT
NOW only:
£276.42 inc. VAT
£230.35 exc. VAT
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We will ship your order as soon as we receive stock from our supplier.
 Web Only Product 
Quickcode: 63735  
Stock code: POW-1KUPM-BN255
Manuf. code: BN255
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1200W be quiet! Dark Power Pro PSU

Legendary Silence, Cutting Edge Performance
It is a fact of the modern world that high technology requires constant refinement and unending improvement — and that is even truer for those who would be leaders. Dark Power Pro power supplies are renowned as the world’s quietest and most efficient high-performance PSUs. The Dark Power Pro 11 1200W model takes that a step further with a power conversion topology that delivers 80PLUS® Platinum performance, add to that an unparalleled array of enhancements that augment this unit’s compatibility, convenience of use, reliability, and safety, and the result is the most technologically-advanced power supply be quiet! has ever built.


• 80PLUS® Platinum certification and up to 94% power conversion efficiency
• Virtually inaudible operation thanks to a broad array of optimizations, including the use of a be quiet! SilentWings® 3 135mm fan
• SilentWings® 3 fan features an advanced fan frame, an airflow-optimized fan blade, fluid-dynamic bearing with copper core and a high-quality 6-pole motor for less vibration
• The funnel-shaped fan opening of the PSU case is significant big and allows high airflow intake
• 1200 Watts of continuous power provide intensive power reserves for demanding computing applications
• Overclocking key allows switchover between quadruple independent 12V-rail mode and high-performance single-rail operation
• NVIDIA SLI Ready and AMD CrossFireX certifications allow you to build powerful Multi-GPU systems with confidence
• Cable management with extra long cable reach simplifies component installation and reduces annoying clutter, increasing airflow and improving cooling in even the largest PC cases
• Product conception, design and quality control in Germany

APPLICATION: • Advanced, high-resolution gaming and multimedia systems
• Overclocked systems
• Multi-GPU workstations for 3D graphics, photo editing, video editing
• Any application that requires high power with superior quietness
• Feature Details

Energy Efficiency

• 80PLUS® Platinum certification with up to 94% efficiency
• Saving power means saving money, but it also mean less waste heat, less cooling required, and overall quieter operation
• Standby drain less than 0.10Watts
• Meets Energy Star 6.0 guidelines
• Fulfills the ErP 2014 guidelines
• Zero Load design supports Intel’s Deep Power Down C6 and C7 (Haswell) modes


Manufacturer: be quiet!
Size: ATX v2.4
Edition: Dark Power Pro 11
Wattage: 1000 W
80 PLUS Certification: 80 PLUS Platinum
Max. Efficiency: 94 %
ErP / EuP Ready: Yes
Cooling: Fan
Fans: 1 x 135mm
Internal +12V Rails: Quad Rail
Rail 1 +12V: 35 A
Rail 2 +12V: 35 A
Rail 3 +12V: 45 A
Rail 4 +12V: 45 A
Rail 5 +12V: N/A
Rail 6 +12V: N/A
Rail 7 +12V: N/A
Rail 8 +12V: N/A
Max. Combined Output +12V: 1188 A
Modular: Yes
Modular Type: Hybrid Modular
SLI/CrossFire: Yes
EPS 12V: Yes
Motherboard Connector: 20+4 Pin
Connectors: 1 x 4+4pin CPU +12V, 1 x 4pin ATX 12V, 4 x 4Pin Fan, 7 x 4pin Molex, 8 x 6+2pin PCI-E Power, 1 x 6pin PCI-E Power, 2 x FDD Power, 10 x SATA Power
Dimensions: 150 x 86 x 193 mm (WxHxD)

Warranty Information:

Manufacturer be quiet!
Warranty Type Direct with Manufacturer
Manufacturer Website
Warranty Period (yrs)5
PSU Wattage1200
SATA Adapters10
4-Pin MOLEX Adapters7
CPU Power Adaptor1x 4+4
ModularThe product has this feature

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