be quiet! SFX Power 2

be quiet! SFX Power 2

Model SFX Power 2Part no. BN226EAN 4260052183717

58 specifications
  • Noise33.9 dB
  • Weight950 g
  • ColourBlack
  • Total power400 W
  • Motherboard power connector20+4 pin ATX
  • PurposePC
See all specifications

Overview

Noise
33.9 dB
Weight
950 g
Colour
Black
Total power
400 W
Motherboard power connector
20+4 pin ATX
Purpose
PC
Brand
be quiet!
Model
SFX Power 2
Part numbers
BN226, BN227
EAN / UPC
4260052183717, 4260052183724, 5052184040322, 5054484580928 +1 more
Also known as
be quiet! SFX Power 2 power supply unit 400 W 20+4 pin ATX Black

Specifications

58 specifications in 10 groups

Power

SpecificationValue
Total power400 W
Peak power450 W
AC input voltage110 - 240 V
AC input frequency50 - 60 Hz
Input current6 A
Maximum input current (@110V)+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factor0.9
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)120 W
Combined power (+12V)360 W
Combined power (+5V)120 W
Combined power (-12V)6 W
Combined power (+5Vsb)12.5 W
Max output current (+3.3V)21 A
Max output current (+12V1)17 A
Max output current (+12V2)16 A
Max output current (+5V)22 A
Max output current (-12V)0.5 A
Max output current (+5Vsb)2.5 A
Efficiency87.5%
Hold time24 ms
Power protection featuresOver current, Over power, Over voltage, Short circuit, Under voltage

Ports & interfaces

SpecificationValue
Motherboard power connector20+4 pin ATX
Number of SATA power connectors4
Peripheral (Molex) power connectors (4-pin)1
PCI Express power connectors (6+2 pin)1
CPU P4 connector (4-pin)1
Floppy disk drive connectorYes
Floppy drive power connector1
Cabling typeNon-Modular

Performance

SpecificationValue
PurposePC
Power supply unit (PSU) form factorSFX
80 PLUS certification80 PLUS Bronze
Noise level33.9 dB
Mean time between failures (MTBF)100000 h

Design

SpecificationValue
Product colourBlack
Cooling typeActive
Fan diameter8 cm
Number of fans1 fan(s)
Fan speed2579
On/off switchYes

Operational conditions

SpecificationValue
Operating temperature (T-T)10 - 50 °C

Certificates

SpecificationValue
Compliance certificatesRoHS
CertificationCE, CB, TÜV

Weight & dimensions

SpecificationValue
Width100 mm
Depth125 mm
Height63.5 mm
Weight950 g

Packaging data

SpecificationValue
ManualYes
Package width199 mm
Package depth195 mm
Package height75 mm
Package weight1.3 kg

Technical details

SpecificationValue
Sustainability certificatesENERGY STAR

Other features

SpecificationValue
Warranty cardYes
Noise level (silent mode, <30%)20.7 dB
Noise level (quiet mode, 50%)20.9 dB
Noise level (full-load mode, 100%)33.9 dB

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