be quiet! Dark Power Pro 11 power supply unit 550 W 20+4 pin ATX ATX Black

be quiet!SKU: BN250

Price:
£155.14
Stock:
Sold out
Dark Power Pro 11 550W is be quiet!’s most advanced PSU ever, delivering 80PLUS® Platinum efficiency, effortless Quad-GPU support, and unmatched silence. The improved features include:

- 80PLUS® Platinum power efficiency and unmatched power stability (up to 94%) thanks to half bridge, LLC, SR and DC/DC technology
- Virtually inaudible SilentWings® 3 135mm fan with fluid-dynamic bearing
- 6-pole fan motor and IC motor control for smooth low-speed operation and reduced noise
- Large funnel-shaped fan intake facilitates high airflow with less turbulence
- Isolation sleeve reduces transmission of vibrations to case
- Overclocking key switches between four 12V-rails and one massive 12V-rail
- User-friendly cable management reduces clutter, improves cooling
- Premium 105°C-rated capacitors maximize reliability
- Intelligent control for up to 4 case fans
- German product conception, design and quality control

Choose Dark Power Pro 11 550W and get the most technologically-advanced PSU be quiet! has ever built.
Cooling
Fan diameter 13.5 cm
Number of fans 1 fan(s)
Fan speed 1200
Fan location Top
Cooling type Active
Performance
On/off switch Yes
Power supply unit (PSU) form factor ATX
Noise level (quiet mode, 50%) 8.9 dB
Noise level (silent mode, <30%) 8.7 dB
Noise level (full-load mode, 100%) 10.1 dB
80 PLUS certification 80 PLUS Platinum
Purpose PC
Energy Star certified Yes
ATX version 2.4
EPS version 2.92
Noise level 10.1 dB
Mean time between failures (MTBF) 180000 h
Certification CE, CB, TÜV, FCC, cTUVus, RCM (Australia), CU (Russia)
RoHS compliance Yes
Design
80 PLUS certification 80 PLUS Platinum
Energy Star certified Yes
Certification CE, CB, TÜV, FCC, cTUVus, RCM (Australia), CU (Russia)
RoHS compliance Yes
Product colour Black
Fan diameter 13.5 cm
On/off switch Yes
Number of fans 1 fan(s)
Fan speed 1200
Fan location Top
Cooling type Active
Power
Total power 550 W
Peak power 610 W
AC input voltage 100 - 240 V
AC input frequency 50 - 60 Hz
Input current 7 A
Power factor 0.99
Power Factor Correction (PFC) type Active
Maximum input current (@110V) +5Vsb,+12V1,-12V,+12V2,+3.3V,+12V3,+12V4,+5V
Combined power (+3.3V) 140 W
Combined power (+12V) 540 W
Combined power (+5V) 140 W
Combined power (-12V) 6 W
Combined power (+5Vsb) 15 W
Max output current (+3.3V) 25 A
Max output current (+12V) 45 A
Max output current (+12V1) 20 A
Max output current (+12V2) 20 A
Max output current (+12V4) 25 A
Max output current (+12V3) 25 A
Max output current (+5V) 22 A
Max output current (-12V) 0.5 A
Max output current (+5Vsb) 3 A
Power protection features Overheating,Under voltage,Over current,Over power,Over voltage,Short circuit
Hold time 19.4 ms
Efficiency 92%
Ports & interfaces
Motherboard power connector 20+4 pin ATX
Number of SATA power connectors 8
Peripheral (Molex) power connectors (4-pin) 5
PCI Express power connectors (6-pin) 1
PCI Express power connectors (6+2 pin) 4
CPU power connector (4+4 pin) Yes
Floppy drive power connector 1
Floppy disk drive connector Yes
CPU power connectors (8-pin) 1
ATX power connector (20+4 pin) Yes
Cabling type Semi-Modular
Weight & dimensions
Width 180 mm
Depth 150 mm
Height 86 mm
Weight 2.02 kg
Packaging data
Package depth 272 mm
Package width 348 mm
Package height 118 mm
Warranty card Yes
Package type Box
Package weight 3.37 kg
Manual Yes
Other features
Cable management No
Certificates
80 PLUS certification 80 PLUS Platinum
Energy Star certified Yes
Certification CE, CB, TÜV, FCC, cTUVus, RCM (Australia), CU (Russia)
RoHS compliance Yes
Packaging content
Warranty card Yes
Manual Yes

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