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Brand:Bequiet / PSU / Bequiet PSU / be quiet! Straight Power 11 power supply unit 850 W 20+4 pin ATX ATX Black
be quiet! Straight Power 11 power supply unit 850 W 20+4 pin ATX ATX
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Save £55.30 (27%)
Product Code: 83499

be quiet! Straight Power 11 power supply unit 850 W 20+4 pin ATX ATX Black BN284

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£149.69All prices include VAT
£204.99save £55.30
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2398 reviews
Highlights
  • Virtually inaudible operation thanks to a SilentWings® 3 135mm fan
  • Big funnel-shaped fan opening of the PSU case for high airflow intake
  • Wire-free on the DC side inside the PSU for enhanced cooling and longevity
  • Full cable management for maximum build flexibility
  • 80PLUS® Gold certification with an efficiency of up to 93%
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Warranty:Full Manufacturer- Initial Release Date: 06/01/2018
 
Return Policy:60 Days
 
Best Sellers Rank:176 in  PSU
Description & Additional Information
Product Specifications
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Reviews

General Information for Be Quiet PSU

be quiet! Straight Power 11, 850 W, 100 - 240 V, 920 W, 50 - 60 Hz, 10 A, Active

Straight Power 11


World Class Quiet And Efficency

Be Quiet! Straight Power 11 850W Raises The Bar For Systems That Demand Virtually Inaudible Operation Without Power Quality Compromises.

  • Virtually Inaudible Silentwings® 3 135Mm Fan
  • Funnel-Shaped Fan Opening Of The Psu Case For High Airflow Intake
  • Wire-Free Inside The Psu On The Dc Side For Enhanced Cooling And Longevity 
  • Full Cable Management For Maximum Build Flexibility
  • 80Plus® Gold Efficiency (Up To 93%)
  • Powerful Multi-Gpu Support With Four Pci-Express Connectors
  • Japanese 105°C-Rated Capacitors Ensure Stability And Reliability
  • Erp And Energy Star 6.1 Ready
  • 5-Year Manufacturer’S Warranty

 

 

 

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be quiet! Straight Power 11 power supply unit 850 W 20+4 pin ATX ATX Black BN284 Specifications

Product Type PSU Brand Bequiet Collection Model Be Quiet Straight Power 11 Manufacturer Product Type Be Quiet PSU Product colour Black Fan diameter 13.5 cm Cable management Yes Number of fans 1 fan(s) Illumination No On/off switch Yes Product colour Multicoloured Product Family Straight Power 11 Purpose PC Motherboard power connector 20+4 pin ATX Motherboard power cable length 60 cm Number of SATA power connectors 11 Number of PATA power connectors 4 SATA power cable length 550 mm PCI Express power connectors (6+2 pin) 4 PCI Express power cable length 60 cm CPU power connector (4+4 pin) Yes CPU power cable length 70 cm Floppy disk drive connector Yes Cabling type Modular Cabling type Fully-Modular PCI Express power cable length 600 Motherboard power cable length 600 SATA power cable length 550 CPU power cable length 700 Total power 850 W Power factor 0.99 Power Factor Correction (PFC) type Active Combined power (+3.3V) 150 W Combined power (+12V) 849.6 W Combined power (+5V) 150 W Combined power (-12V) 6 W Combined power (+5Vsb) 15 W Max output current (+3.3V) 25 A AC Input Voltage 100 - 240 V AC input frequency 50 - 60 Hz Max output current (+12V1) 21 A Max output current (+12V2) 21 A Max output current (+12V3) 26 A Max output current (+12V4) 26 A Max output current (+5V) 25 A Max output current (-12V) 0.5 A Max output current (+5Vsb) 3 A Input current 10 A AC Input Voltage 100 - 240 Hold time 21.1 ms AC input frequency 50 - 60 Combined power (-12V) 6 Max output current (-12V) 0.5 Max output current (+5Vsb) 3 Combined power (+5Vsb) 15 Max output current (+3.3V) 25 Max output current (+5V) 25 Input current 10 Combined power (+3.3V) 150 Combined power (+5V) 150 Max output current (+12V2) 21 Combined power (+12V) 849.6 Max output current (+12V1) 21 Max output current (+12V3) 26 Max output current (+12V4) 26 Hold time 21.1 Weight 1.8 kg Depth 170 mm Width 150 mm Height 86 mm Power supply unit (PSU) form factor ATX Peak power 920 W 80 PLUS certification 80 PLUS Gold ATX version 2.4 EPS version 2.92 Silent mode Yes Noise level (silent mode, <30%) 9.71 dB Noise level (quiet mode, 50%) 10.61 dB Noise level (full-load mode, 100%) 24.98 dB Bearing technology FDB Peak power 920 Noise level (silent mode, <30%) 9.71 Noise level (quiet mode, 50%) 10.61 Noise level (full-load mode, 100%) 24.98 Year 2018 Efficiency 93% Harmonized System (HS) code 84733020 Power protection features Over current,Over power,Over voltage,Overheating,Short circuit,Under voltage Power protection features Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage Efficiency 93 Certification CE, FCC, TV, cTUVus, RCM, BSMI, CU Sustainability certificates ENERGY STAR Sustainability certificates RoHS, ENERGY STAR Compliance certificates RoHS Features RGB Lighting Cable ties included Yes Manual Yes Package width 248 mm Package height 102 mm Package depth 328 mm Package weight 3.38 kg Screws included Yes Gaming Platforms PC Platform Colour of product Black MPN BN284

be quiet! Straight Power 11 power supply unit 850 W 20+4 pin ATX ATX Black Downloads

be quiet! Straight Power 11 power supply unit 850 W 20+4 pin ATX ATX Black BN284 Reviews

Allan - 4.25 out of 5 Reviewed on kitguru.net in the United Kingdom on 13 February 2020
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Today we take a look a power supply from be quiet! – from their new Straight Power 11 range. They claim this is their quietest power supply range yet and we have the 850W model up for test today. These new power supplies are now Platinum certified and hav...
+Competitively Priced, Well built unit, Good design, Technically very solid, Japanese capacitors throughout, was able to maintain over 930 watts without shutting down
-5 year warranty could be better in 2020, Kitguru says: the be quiet! Straight Power 11 Platinum 850W is a very capable power supply competitively priced in the UK. It definitely should be shortlisted if you are in the market for a high capacity unit

The Straight Power range of power supplies has been popular for be quiet! over the years. The latest Straight Power 11 supplies are without question be quiet!'s finest yet. The new range with higher wattage models is a good move and the upgrade to 80 Plus...
   

Matthew - 4 out of 5 Reviewed on bit-tech.net in the United Kingdom on 23 January 2018
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Be Quiet! has built a solid reputation for itself in the PSU market, and it's undoubtedly looking to continue this tradition with the latest iteration of the Straight Power family. The Straight Power 11 is available in six capacities – 450W, 550W, 650W, 7...

Unfortunately, the Straight Power 11 is a decent power supply whose appeal is severely diminished by the high street price of £165. As a comparison, the EVGA SuperNova 850 P2, a supply better in almost every area, is only £142. In the face of this, even t...
   

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