All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 power supply units

be quiet! BN229 power supply unit vs be quiet! SFX Power 2

Add a product
  • 56specifications compared
  • 32differ
  • 24identical
  • 2known for one product only

Key differences

  • Total power
    • 300 W
    • 400 W
  • Peak power
    • 330 W
    • 450 W
  • Input current
    • 4 A
    • 6 A
  • Combined power (+3.3V)
    • 103 W
    • 120 W
  • Combined power (+12V)
    • 264 W
    • 360 W
  • Combined power (+5V)
    • 103 W
    • 120 W
  • Combined power (-12V)
    • 3.6 W
    • 6 W
  • Combined power (+5Vsb)
    • 15 W
    • 12.5 W

Side by side

Differences highlightedShow differences only
58 specifications
A

be quiet!

BN229 power supply unit

Model BN229

View product
B

be quiet!

SFX Power 2View product
Power15 differ
Total powerDiffers300 W400 W
Peak powerDiffers330 W450 W
AC input voltage110 - 240 V110 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers4 A6 A
Maximum input current (@110V)+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factor0.90.9
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs103 W120 W
Combined power (+12V)Differs264 W360 W
Combined power (+5V)Differs103 W120 W
Combined power (-12V)Differs3.6 W6 W
Combined power (+5Vsb)Differs15 W12.5 W
Max output current (+3.3V)21 A21 A
Max output current (+12V1)Differs13 A17 A
Max output current (+12V2)Differs13 A16 A
Max output current (+5V)Differs15 A22 A
Max output current (-12V)Differs0.3 A0.5 A
Max output current (+5Vsb)Differs2 A2.5 A
EfficiencyDiffers91.6%87.5%
Hold timeDiffers16 ms24 ms
Power protection featuresOver current, Over power, Over voltage, Short circuit, Under voltageOver current, Over power, Over voltage, Short circuit, Under voltage
Ports & interfaces1 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectors44
Peripheral (Molex) power connectors (4-pin)Differs21
PCI Express power connectors (6+2 pin)Known for one1
CPU P4 connector (4-pin)11
Floppy disk drive connectorYesYes
Floppy drive power connector11
Cabling typeNon-ModularNon-Modular
Performance3 differ
PurposePCPC
Power supply unit (PSU) form factorDiffersTFXSFX
80 PLUS certificationDiffers80 PLUS Gold80 PLUS Bronze
Noise levelDiffers26.5 dB33.9 dB
Mean time between failures (MTBF)100000 h100000 h
Design1 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter8 cm8 cm
Number of fans1 fan(s)1 fan(s)
Fan speedDiffers20032579
On/off switchKnown for oneYes
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 40 °C10 - 50 °C
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationCE, CB, TÜVCE, CB, TÜV
Weight & dimensions4 differ
WidthDiffers85 mm100 mm
DepthDiffers185 mm125 mm
HeightDiffers65 mm63.5 mm
WeightDiffers1.2 kg950 g
Packaging data4 differ
ManualYesYes
Package widthDiffers190 mm199 mm
Package depthDiffers85 mm195 mm
Package heightDiffers159 mm75 mm
Package weightDiffers1.5 kg1.3 kg
Technical detailsidentical
Sustainability certificatesENERGY STARENERGY STAR
Other features3 differ
Warranty cardYesYes
Noise level (silent mode, <30%)Differs12.7 dB20.7 dB
Noise level (quiet mode, 50%)Differs14.5 dB20.9 dB
Noise level (full-load mode, 100%)Differs26.5 dB33.9 dB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More power supply unit comparisons

All power supply unit comparisons