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Product comparison · 2 power supply units

be quiet! SFX Power 2 vs be quiet! Straight Power 10

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  • 53specifications compared
  • 33differ
  • 20identical
  • 11known for one product only

Key differences

  • AC input voltage
    • 110 - 240 V
    • 100 - 240 V
  • Power factor
    • 0.9
    • 0.97
  • Combined power (+12V)
    • 360 W
    • 384 W
  • Combined power (-12V)
    • 6 W
    • 3.6 W
  • Combined power (+5Vsb)
    • 12.5 W
    • 15 W
  • Max output current (+3.3V)
    • 21 A
    • 24 A
  • Max output current (+12V1)
    • 17 A
    • 18 A
  • Max output current (+12V2)
    • 16 A
    • 18 A

Side by side

Differences highlightedShow differences only
64 specifications
A

be quiet!

SFX Power 2View product
B

be quiet!

Straight Power 10View product
Power15 differ
Total power400 W400 W
Peak power450 W450 W
AC input voltageDiffers110 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input current6 A6 A
Maximum input current (@110V)Differs+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+12V3,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers0.90.97
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)120 W120 W
Combined power (+12V)Differs360 W384 W
Combined power (+5V)120 W120 W
Combined power (-12V)Differs6 W3.6 W
Combined power (+5Vsb)Differs12.5 W15 W
Max output current (+3.3V)Differs21 A24 A
Max output current (+12V1)Differs17 A18 A
Max output current (+12V2)Differs16 A18 A
Max output current (+12V3)Known for one18 A
Max output current (+5V)Differs22 A17 A
Max output current (-12V)Differs0.5 A0.3 A
Max output current (+5Vsb)Differs2.5 A3 A
EfficiencyDiffers87.5%93%
Hold timeDiffers24 ms17 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces3 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers46
Peripheral (Molex) power connectors (4-pin)Differs13
PCI Express power connectors (6+2 pin)Differs12
CPU power connector (4+4 pin)Known for oneYes
Floppy disk drive connectorYesYes
Floppy drive power connector11
Cabling typeNon-ModularNon-Modular
CPU P4 connector (4-pin)Known for one1
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorDiffersSFXATX
80 PLUS certificationDiffers80 PLUS Bronze80 PLUS Gold
ATX versionKnown for one2.4
Bearing technologyKnown for oneFDB
Mean time between failures (MTBF)100000 h100000 h
Noise levelKnown for one33.9 dB
Design2 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameterDiffers8 cm13.5 cm
Number of fans1 fan(s)1 fan(s)
Fan speedDiffers25791200
On/off switchKnown for oneYes
Certificatesidentical
Compliance certificatesRoHSRoHS
CertificationKnown for oneCE, CB, TÜV
Safety regulation & standardsidentical
SafetyKnown for oneCE, CB, TÜV, FCC, cRUus, cTUVus, BSMI
Weight & dimensions4 differ
WidthDiffers100 mm160 mm
DepthDiffers125 mm150 mm
HeightDiffers63.5 mm86 mm
WeightDiffers950 g2.02 kg
Packaging data4 differ
ManualYesYes
Package widthDiffers199 mm328 mm
Package depthDiffers195 mm248 mm
Package heightDiffers75 mm102 mm
Package weightDiffers1.3 kg2.59 kg
Package typeKnown for oneBox
Technical detailsidentical
Sustainability certificatesENERGY STARENERGY STAR
Other features3 differ
Warranty cardYesYes
Noise level (silent mode, <30%)Differs20.7 dB10.4 dB
Noise level (quiet mode, 50%)Differs20.9 dB10.4 dB
Noise level (full-load mode, 100%)Differs33.9 dB11.7 dB
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 50 °C

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.

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