BE QUIET! BN284 STRAIGHT POWER 11 850W ATX BLACK SUPPLY UNIT
BE QUIET! BN284 STRAIGHT POWER 11 850W ATX BLACK SUPPLY UNIT

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BE QUIET! BN284 STRAIGHT POWER 11 850W ATX BLACK SUPPLY UNIT

PRODUCT FEATURES:  
STRAIGHT POWER 11, 850 W, ATX 12V 2.4, EPS 12V 2.92, 100 - 240 V, 50/60 HZ, ACTIVE PFC, SILENTWINGS 3 135MM, ATX 20+4-PIN, 4X PCIE 6+2-PIN, 11X SATA, 4X PATA, FDD, BLACK

MANUFACTURER ID:  
BN284

MANUFACTURER:  
Be quiet!

WARRANTY:  
Be quiet! Warranty

AVAILABILITY:  
Out of Stock.

CONDITION:  
New
£145.08 (incl. VAT) Delivery Options Payment Options
World Class Quiet and Efficiency

be quiet! Straight Power 11 850W raises the bar for systems that demand virtually inaudible operation without power quality compromises. This PSU is clearly the best choice for super silent systems.

- 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%
- Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
- Four high-performance 12V-rails
- Powerful multi-GPU support with two PCI-Express connectors
- Japanese 105C-rated capacitors ensure stability and reliability
- Power signal stability unmatched in its class
- ErP and Energy Star 6.1 ready
- Product conception, design and quality control in Germany

Cooling
Fan diameter13.5 cm
Number of fans1 fan(s)
Performance
On/off switchYes
Power supply unit (PSU) form factorATX
Silent modeYes
Noise level (quiet mode, 50%)10.61 dB
Noise level (silent mode, <30%)9.71 dB
Noise level (full-load mode, 100%)24.98 dB
80 PLUS certification80 PLUS Gold
PurposePC
Energy Star certifiedYes
ATX version2.4
EPS version2.92
CertificationCE, FCC, TœV, cTUVus, RCM, BSMI, CU
Bearing technologyFDB
RoHS complianceYes
Design
80 PLUS certification80 PLUS Gold
Energy Star certifiedYes
CertificationCE, FCC, TœV, cTUVus, RCM, BSMI, CU
RoHS complianceYes
Product colourBlack
Fan diameter13.5 cm
On/off switchYes
Number of fans1 fan(s)
IlluminationNo
Power
Total power850 W
Peak power920 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Input current10 A
Power factor0.99
Power Factor Correction (PFC) typeActive
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
Max output current (+12V1)21 A
Max output current (+12V2)21 A
Max output current (+12V4)26 A
Max output current (+12V3)26 A
Max output current (+5V)25 A
Max output current (-12V)0.5 A
Max output current (+5Vsb)3 A
Power protection featuresOver current,Over power,Over voltage,Overheating,Short circuit,Under voltage
Hold time21.1 ms
Efficiency93%
Ports & interfaces
Motherboard power cable length60 cm
SATA power cable length550 mm
PCI Express power cable length60 cm
CPU power cable length70 cm
Motherboard power connector20+4 pin ATX
Number of SATA power connectors11
Number of PATA power connectors4
PCI Express power connectors (6+2 pin)4
CPU power connector (4+4 pin)Yes
Floppy disk drive connectorYes
Cabling typeModular
Weight & dimensions
Width150 mm
Depth170 mm
Height86 mm
Weight1.8 kg
Packaging data
Screws includedYes
Cable ties includedYes
Package depth328 mm
Package width248 mm
Package height102 mm
Package weight3.38 kg
ManualYes
Other features
Cable managementYes
Certificates
80 PLUS certification80 PLUS Gold
Energy Star certifiedYes
CertificationCE, FCC, TœV, cTUVus, RCM, BSMI, CU
RoHS complianceYes
Packaging content
Screws includedYes
Cable ties includedYes
ManualYes
Great product and does the job perfectly.
I have used this product and I think it’s the best one available out there. I would highly recommend it to everyone.
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Reviewed by: (Verified Buyer)  from London. on 10/10/2018
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