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Product comparison · 2 power supply units

Aerocool VP-450 power supply unit vs Chieftec BPS-550S2 power supply unit

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  • 30specifications compared
  • 20differ
  • 10identical
  • 27known for one product only

Key differences

  • Total power
    • 450 W
    • 550 W
  • AC input voltage
    • 115 - 230 V
    • 100 - 240 V
  • AC input frequency
    • 50 Hz
    • 47 - 63 Hz
  • Power factor
    • 0.99
    • 0.9
  • Combined power (+3.3V)
    • 140 W
    • 120 W
  • Combined power (+12V)
    • 312 W
    • 504 W
  • Combined power (+5V)
    • 140 W
    • 120 W
  • Max output current (+12V1)
    • 18 A
    • 42 A

Side by side

Differences highlightedShow differences only
57 specifications
A

Aerocool

VP-450 power supply unit

Model VP-450

View product
B

Chieftec

BPS-550S2 power supply unit

Model BPS-550S2

View product
Power13 differ
Total powerDiffers450 W550 W
AC input voltageDiffers115 - 230 V100 - 240 V
AC input frequencyDiffers50 Hz47 - 63 Hz
Input currentKnown for one6 A
Maximum input current (@110V)Differs+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V1,+3.3V,+5V,+5Vsb
Power factorDiffers0.990.9
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs140 W120 W
Combined power (+12V)Differs312 W504 W
Combined power (+5V)Differs140 W120 W
Combined power (-12V)Known for one6 W
Combined power (+5Vsb)Known for one12.5 W
Max output current (+3.3V)Known for one22 A
Max output current (+12V1)Differs18 A42 A
Max output current (+12V2)Known for one16 A
Max output current (+5V)Differs22 A15 A
Max output current (-12V)Differs0.5 A0.8 A
Max output current (+5Vsb)Differs2.5 A3 A
Power protection featuresDiffersOver power, Over voltage, Short circuit, Under voltageOver voltage, Overload, Short circuit, Under voltage
EfficiencyKnown for one85%
Ports & interfaces3 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers46
Peripheral (Molex) power connectors (4-pin)Differs43
PCI Express power connectors (6+2 pin)Differs12
CPU power connector (4+4 pin)Known for oneYes
Floppy drive power connector11
Cabling typeNon-ModularNon-Modular
EPS power connector (8-pin)Known for oneYes
ATX Power connector (24-pin)Known for oneNo
ATX Power connector (20-pin)Known for oneNo
ATX power connector (20+4 pin)Known for oneYes
Floppy disk drive connectorKnown for oneYes
PCI Express connectorKnown for oneYes
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorDiffersATXPS/2
ATX version2.32.3
Noise levelKnown for one32.1 dB
Mean time between failures (MTBF)Differs120000 h100000 h
80 PLUS certificationKnown for one80 PLUS Bronze
Design2 differ
Product colourDiffersBlackGrey
Cooling typeKnown for oneActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan speedKnown for one1800
Fan locationDiffersSideTop
On/off switchYesYes
IlluminationKnown for oneNo
Certificatesidentical
Compliance certificatesRoHSRoHS
Weight & dimensionsidentical
WeightKnown for one1.31 kg
WidthKnown for one150 mm
DepthKnown for one140 mm
HeightKnown for one87 mm
Packaging dataidentical
Package widthKnown for one185 mm
Package depthKnown for one240 mm
Package heightKnown for one98 mm
Package weightKnown for one1.81 kg
Package typeKnown for oneBox

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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