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Product comparison · 2 power supply units

be quiet! TFX Power vs Chieftec BPS-450S power supply unit

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  • 12specifications compared
  • 6differ
  • 6identical
  • 41known for one product only

Key differences

  • Total power
    • 300 W
    • 450 W
  • Input current
    • 2.5 - 4.5 A
    • 3/6 A
  • Number of SATA power connectors
    • 2
    • 4
  • Power supply unit (PSU) form factor
    • TFX
    • ATX
  • Fan diameter
    • 8 cm
    • 12 cm

Side by side

Differences highlightedShow differences only
53 specifications
A

be quiet!

TFX PowerView product
B

Chieftec

BPS-450S power supply unit

Model BPS-450S

View product
Power3 differ
Total powerDiffers300 W450 W
Input currentDiffers2.5 - 4.5 A3/6 A
Maximum input current (@110V)Known for one+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one0.9
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Known for one110 W
Combined power (+12V)Known for one250 W
Combined power (+5V)Known for one110 W
Combined power (-12V)Known for one6 W
Combined power (+5Vsb)Known for one10 W
Max output current (+3.3V)Known for one20 A
Max output current (+12V)Known for one20.83 A
Max output current (+12V1)Known for one14 A
Max output current (+12V2)Known for one16 A
Max output current (+5V)Known for one22 A
Max output current (-12V)Known for one0.5 A
Max output current (+5Vsb)Known for one2 A
EfficiencyKnown for one86%
Hold timeKnown for one17 ms
Power protection featuresDiffersOver current, Over power, Over voltage, Short circuit, Under voltageOver current, Over voltage, Short circuit, Under voltage, Overload
Ports & interfaces1 differ
Motherboard power connectorKnown for one20+4 pin ATX
Number of SATA power connectorsDiffers24
CPU P4 connector (4-pin)Known for one1
EPS power connector (8-pin)Known for oneYes
PCI Express power connectors (6-pin)Known for one1
ATX Power connector (24-pin)Known for oneYes
Performance1 differ
PurposeKnown for onePC
Power supply unit (PSU) form factorDiffersTFXATX
80 PLUS certificationKnown for one80 PLUS
ATX versionKnown for one2.3
Bearing technologyKnown for oneRifle
Design1 differ
Product colourKnown for oneBlack
Cooling typeKnown for oneActive
Fan diameterDiffers8 cm12 cm
Number of fansKnown for one1 fan(s)
Fan speedKnown for one3600
On/off switchKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 50 °C
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneCE, CB, TÜV, Nemko (N), Semko (S), Fimko (FI), Demko (D)
Weight & dimensionsidentical
WidthKnown for one85 mm
DepthKnown for one175 mm
HeightKnown for one70 mm
Packaging dataidentical
Package weightKnown for one1.41 kg
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Package dimensions (WxDxH)Known for one159 x 195 x 80 mm
Dimensions (WxDxH)Known for one150 x 140 x 87 mm

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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