DARK POWER PRO 11

550W

DARK POWER PRO 11

550W

Legendary Silence, Cutting Edge Performance

Dark Power Pro 11 550W is be quiet!’s most advanced PSU ever. With 550W of continuously available power and an overclocking key that switches between four-rail and single-rail operation, it has sufficient reserves to support any multi-GPU or multi-CPU system you could want to build. be quiet!’s virtually inaudible Silent Wings 3 fan and an unparalleled array of noise-reducing enhancements make it the quietest PSU in its category, perfect for powerful applications that nevertheless need significant quietness. And its half bridge power topology earns it one of the highest power efficiency certification available — 80 PLUS® Platinum.

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80 PLUS® PLATINUM CERTIFIED

One of the highest efficiency certificates available

Dark Power Pro 11 550W is certified with 80 PLUS® Platinum and an energy efficiency rating of up to 94%. This provides lots of benefits for your high-end system, including less power consumption and an overall cooler and quieter operation. The standby drain is below 0.13 watts.

SILENT WINGS 3 FAN

Equipped with the best fan technology be quiet! offers

The decoupled be quiet! Silent Wings 3 135mm fan provides virtually inaudible operation. This is thanks to its unique, airflow-optimized fan blade design along with an advanced fluid-dynamic bearing and 6-pole fan motor for less vibration, super-long life and minimal power consumption.

FUNNEL-SHAPED FAN OPENING

Higher cooling performance

The fan inlet of the Dark Power Pro 11 550W is funnel shaped. This causes an increased throughput of air, which results in higher cooling performance.

READY FOR OVERCLOCKING

Pushing the performance of your PSU to the max

Dark Power Pro 11 550W is particularly suitable for overclocking, thanks to its strong and stable 12V-rails. The overclocking key empowers you with full control for overclocking by manual switching between the default four 12V-rail mode and the alternative massive single-rail operation.

EQUIPPED WITH HIGH-END FEATURES

Build powerful multi-GPU systems with confidence

Dark Power Pro 11 offers 550W of continuous power with four independent 12V-rails for excellent signal stability and five PCI express connectors for multi-GPU systems. Up to four case fans can be connected to, and regulated by the PSU.

MAXIMUM CONVENIENCE

Semi-modular cables

The maximum utility afforded by extra-long sleeved cables of up to 120cm and modular cable management simplifies component installation and reduces annoying clutter. This succeeds in increasing the airflow and improving the cooling in even the largest PC cases.

STATE-OF-THE-ART TECHNOLOGIES

Rock-steady signal stability and efficiency

Experience the most technologically advanced power supply be quiet! has ever built! Using LLC and Synchronous Rectifier (SR) technology it provides unmatched signal stability and unbeatable power efficiency. It is also equipped with DC-to-DC conversion for tight voltage regulation, even under heavy cross-loading conditions. This ensures reliable operation for the next generation of processors and graphics cards.

JAPANESE 105° CAPACITORS

A testament to high quality

Only the best components are used in Dark Power Pro 11 550W. That is why we have built exclusively high-quality Japanese capacitors into the PSU chassis. They are rated to 105°C which ensures stability, reliability and a long operating life.

All models at a glance:

Product Series

General data

ModelDark Power Pro 11 550W
Continuous power (W)550
Peak power (W)610
Form factorVersion 2.4
Form factor EPS 12VVersion 2.92
TopologyHalf bridge + LLC + SR + DC/DC
Digitally controlled-
Voltage (Vac)100 - 240
Frequency (Hz)50 - 60
Input current (A)7 / 3.5
Power factor at 100% load>0.99
Modern standby-
Power consumption in standby (W)<0.15
Average life time (h / 25°C)100,000
Operating temperature up to (°C)40

Infographics

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Efficiency

80 PLUS certificationPlatinum
Efficiency (%) at 230V, 2% load-
Efficiency (%) at 230V, 10% load86.3
Efficiency (%) at 230V, 20% load91.6
Efficiency (%) at 230V, 50% load94
Efficiency (%) at 230V, 100% load92

Fan and cooling technology

FanSilent Wings 3
Fan size (mm)135
Bearing technologyFDB
Motor technology6-pole fan motor
Max. fan speed (rpm)1200
dB(A) at 10% load8.5
dB(A) at 20% load8.7
dB(A) at 50% load8.9
dB(A) at 100% load10.1

Output

Multi-rail operation (12V rails)4
12V single rail operation
Overclocking key
+3.3V (A)25
+5V (A)22
+12V1 (A)20
+12V2 (A)20
+12V3 (A)25
+12V4 (A)25
+12V5 (A)-
+12V6 (A)-
-12V (A)0.5
+5Vsb (A)3
Max. combined power 12V (W)540
Max. combined power 12VHPWR (W)-
Max. combined power 3.3V + 5V (W)110
Hold-up time at 100% load (ms)19
Hold-up time at 80% load (ms)-
Power good signal (ms)100 - 500ms

Cables and connectors

Modular cables
Sleeved cablesall
Flat cables-
Maximum cable length (cm)120
Cable length to motherboard (cm)60
No. of cables17
ATX-Motherboard (20+4-pin)1
P4+4 (CPU)1
P8 (CPU)1
P4 (CPU)-
12VHPWR cables-
PCI-e 6+2-pin (GPU)4
PCI-e 6-pin (GPU)1
SATA8
PATA6
FDD (Floppy)1

Protection

OTP (over temperature protection)
OCP (over current protection)
OPP (over power protection)
SCP (short circuit protection)
OVP (over Voltage protection)
UVP (under Voltage protection)
SIP (Surge & Inrush Protection)-

Safety certification

BSMI-
CB
CCC-
CE
cRUus-
cTUVus
CU
FCC
RCM
TÜV
UKCA-

Environmental directives

Energy Star6.0
ErP
WEEE
RoHS
Triman-

Scope of delivery

Thumb screws
Screws
Cable ties
Velcro cable ties
User manual languagesDE, EN, ES, FR, PL, RU
OCK slot bracket with switch / OCK jumper
SFX-to-ATX adapter bracket-

Casing

Dimensions without cable (L x W x H), (mm)180 x 150 x 86
Weight (kg)2.02
ColorBlack

Service

Warranty (Years)5
Express replacement service in first yearDE, FR
International hotline / free of charge✓ / DE, FR

Logistics data and RRP

Article numberBN250
EAN code4260052183755
Dimensions, package (L x W x H), (mm)348 x 272 x 118
Gross weight, package (kg)3.37
Pieces per packaging unit4
Dimensions, shipping box (L x W x H), (mm)504 x 305 x 368
Gross weight, shipping box (kg)16.92
RRP (€)152.00

Upgrade Check

You are already using a be quiet! power supply and want to upgrade your system with a new DARK POWER PRO 11 | 550W ? Check here which cables are compatible and don't need to be replaced.

Previous power supply

DARK POWER PRO 11 | 550W
Article number: BN250

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