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Article number: BN290

PURE POWER 11

300W

Exceptionally Quiet, Superior Reliability, Great Value

Pure Power 11 300W offers peerless dependability and best-in-class features. Whether you’re assembling a very quiet system or upgrading an existing PC, your build will benefit from this PSU that simply has the best combination of features at a very popular prize.

  • 80 PLUS® Bronze efficiency (up to 87%)
  • 2 strong 12V-rails
  • Silence-optimized 120mm be quiet! fan
  • One PCI express connector for GPU card support
  • High-quality sleeved cables with easy-plug HDD connector  
  • Full suite of top safety features 
  • 5-year manufacturer’s warranty

80 PLUS® BRONZE CERTIFICATION

Very high operating efficiency

Pure Power 11 300W is certified 80 PLUS Gold with an efficiency rating of up to 87% – a truly outstanding level for this class of PSU. The most compelling benefit: lower power consumption and consequently lower costs, and cooler, quieter operation.

POWER AND COMPATIBILITY FOR YOUR SYSTEM

The best combination of features and performance at a very popular price

Pure Power 11 offers 300W of continuous power with 2 independent 12V rails for signal stability and one PCI express connector for GPU card support.

EXCEPTIONALLY SILENT OPERATION

Achieved by a silence-optimized 120mm be quiet! fan

The silence-optimized 120mm be quiet! fan is thermally governed to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality and the almost inaudible operation that be quiet! is famous for. 

HIGH-QUALITY SLEEVED CABLES

Keeping your system tidy and good-looking

Pure Power 300W is equipped with high-quality sleeved cables that simplify component installation, increase airflow and improve cooling. The All-in-one cable has a convenient easy-plug HDD connector.

All models at a glance:

Product Series

General data

ModelPure Power 11 300W
Continuous power (W)300
Peak power (W)350
Form factorVersion 2.4
Form factor EPS 12V-
Modular Cable management-
Topology-
Wire-free design (DC-side)-
Voltage (Vac)100 - 240
Frequency (Hz)50 - 60
Input current (A)5 / 2.5
PFCactive
Power factor at 100% load>0.99
Compliant to Intel C6/C7
Power consumption in standby (W)0.1
Average life time (h / 25°C)100,000
Operating temperature up to (°C)40

Infographics

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Output

12V rails (multi-rail operation)2
12V single rail operation-
Overclocking key-
+3.3V (A)21
+5V (A)15
+12V1 (A)18
+12V2 (A)18
+12V3 (A)-
+12V4 (A)-
+12V5 (A)-
+12V6 (A)-
-12V (A)0.3
+5Vsb (A)2.5
Max. combined power 12V (W)288
Max. combined power 3.3V + 5V (W)103
Hold-up time at 100% load (ms)17
Power good signal100 - 500ms

Fan / Cooling technology

Fan typeSilence-optimized be quiet! fan
+SilentWings-
Bearing technologyRifle
Motor technology4-pole fan motor
Fan size (mm)120
Max. fan speed (rpm), temperature-dependent760
Temperature control for case fans-
dB(A) at 20% load10.6
dB(A) at 50% load10.8
dB(A) at 100% load13.2

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)
SIP (Surge & Inrush Protection)-

Safety certification

CE
CB-
TÜV
FCC-
cRUus-
cTUVus-
RCM (Australia)-
BSMI-
CU (Russia)
CCC-

Eco / Efficiency

80 PLUS certificationBronze
Efficiency (%) at 230V, 20% load84
Efficiency (%) at 230V, 50% load87
Efficiency (%) at 230V, 100% load84

Environmental directives

Energy Star6.1
ErP
WEEE
RoHs

Cables / Connectors

Nvidia® SLI (RTX 3090) ready-
Cable managementFixed
Sleeved cablesSleeved cables
Cable length to mainboard (cm)45
Flat cables-
Cable length to first connector (cm)45
Maximum cable length (cm)90
All-in-one cable (SATA/PATA/FDD)
No. of cables5
ATX-Motherboard (20+4-pin)1
P8 (CPU)-
P4+4 (CPU)1
P4 (CPU)-
PCI-e 6-pin (GPU)-
PCI-e 6+2-pin (GPU)1
PATA2
SATA4
FDD (Floppy)1
External fan connectors-

Casing

Dimensions without cable (L x W x D), (mm)150 x 150 x 86
Weight (kg)1.76
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 year-
International hotline / free of charge✓ / DE, FR

Logistics data, RRP

Article numberBN290
EAN code4260052186312
Dimensions, package (L x W x H), (mm)240 x 210 x 96
Gross weight, package (kg)2.05
Pieces per packaging unit6
Dimensions, shipping box (L x W x H), (mm)514 x 326 x 241
Gross weight, shipping box (kg)13.47
RRP (€)47.90

PURE POWER 11 | 300W
Article number: BN290

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