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high-end
Article number: BN255

DARK POWER PRO 11

1200W

Legendary Silence, Cutting Edge Performance

Dark Power Pro 11 1200W is be quiet!’s most advanced PSU ever. With 1200W 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 full bridge power topology earns it one of the highest power efficiency certification available — 80 PLUS® Platinum.

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Characteristics

80 PLUS® PLATINUM CERTIFIED

One of the highest efficiency certificates available

Dark Power Pro 11 1200W 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 0.1 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 1200W is funnel shaped. This causes an increased throughput of air, which results inhigher cooling performance.

READY FOR OVERCLOCKING

Pushing the performance of your PSU to the max

Dark Power Pro 11 1200W 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 1200W of continuous power with four independent 12V-rails for excellent signal stability and nine 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 an advanced full bridge, 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 1200W. 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.

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Features

General data

ModelDark Power Pro 11 1200W
Continuous power (W)1200
Peak power (W)1300
Form factor ATX 12VVersion 2.4
Form factor EPS 12VVersion 2.92
Modular Cable management✓
TopologyFull bridge + LLC + SR + DC/DC
Wire-free design (DC-side)-
Voltage (Vac)110 - 240
Frequency (Hz)50 - 60
Input current (A)15 / 9
PFCactive
Power factor at 100% load>0.99
Compliant to Intel C6/C7✓
Power consumption in standby (W)<0.10
Average life time (h / 25°C)150,000
Operating temperature up to (°C)40

Infographics

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Output

12V rails (multi-rail operation)4
12V single rail operation✓
Overclocking key✓
+3.3V (A)25
+5V (A)25
+12V1 (A)35
+12V2 (A)35
+12V3 (A)45
+12V4 (A)45
+12V5 (A)-
+12V6 (A)-
-12V (A)0.5
+5Vsb (A)3
Max. combined power 12V (W)1188
Max. combined power 3.3V + 5V (W)150
Hold-up time (ms @ 100%)21 (@80% load)
Power good signal100 - 500ms

Fan / Cooling technology

Fan typeSilent Wings 3
+SilentWings✓
Motor technology6-pole fan motor
Bearing technologyFDB
Fan size (mm)135
Max. fan speed (rpm), temperature-dependent1800
Temperature control for case fans✓
dB(A) at 20% load10.7
dB(A) at 50% load11.5
dB(A) at 100% load27.9

Protection

OCP (over current protection)✓
OVP (over Voltage protection)✓
UVP (under Voltage protection)✓
SCP (short circuit protection)✓
OTP (over temperature protection)✓
OPP (over power protection)✓

Safety certification

CE✓
CB✓
TÜV✓
Nemko (N)-
Semko (S)-
Fimko (FI)-
Demko (D)-
FCC✓
cRUus-
cTUVus✓
RCM (Australia)✓
BSMI-
CU (Russia)✓
CCC-

Eco / Efficiency

80 PLUS certificationPlatinum
Efficiency (%) at 230V, 20% load92.4
Efficiency (%) at 230V, 50% load94
Efficiency (%) at 230V, 100% load92.4

Environmental directives

Energy Star6.0
ErP✓
WEEE✓
RoHs✓

Cables / Connectors

Nvidia® SLI (RTX 3090) ready✓
Cable managementSemi-modular
Sleeved cablesSleeved cables
Flat cables-
Cable length to mainboard (cm)60
Cable length to first connector (cm)60
Maximum cable length (cm)120
All-in-one cable (SATA/PATA/FDD)✓
No. of cables19
ATX-Motherboard (20+4-pin)1
P8 (CPU)1
P4+4 (CPU)1
P4 (CPU)-
PCI-e 6-pin (GPU)1
PCI-e 6+2-pin (GPU)8
PATA 4-pin8
SATA 15-pin (HDD, Drives)10
FDD (Floppy)2
External fan connectors4

Casing

Dimensions without cable (L x W x D), (mm)193 x 150 x 86
Weight (kg)2.38
ColorBlack

Accessories

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

Service

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

Logistics data, RRP

Article numberBN255
EAN code4260052183809
Dimensions, package (L x W x H), (mm)348 x 272 x 118
Gross weight, package (kg)4.59
Pieces per packaging unit4
Dimensions, shipping box (L x W x H), (mm)514 x 305 x 378
Gross weight, shipping box (kg)19.65
RRP (€)289.00

DARK POWER PRO 11 | 1200W
Article number: BN255

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Upgrade Check

You are already using a be quiet! power supply and want to upgrade your system with a new DARK POWER PRO 11 | 1200W ? Check here which cables are compatible and don't need to be replaced.

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