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Product comparison · 2 power supply units

Chieftec CTB-400S power supply unit vs FSP Aurum CM 550

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  • 24specifications compared
  • 17differ
  • 7identical
  • 32known for one product only

Key differences

  • Total power
    • 400 W
    • 550 W
  • AC input voltage
    • 230 V
    • 90 - 264 V
  • Combined power (+3.3V)
    • 120 W
    • 140 W
  • Combined power (+5V)
    • 120 W
    • 140 W
  • Combined power (-12V)
    • 3.6 W
    • 23.5 W
  • Combined power (+5Vsb)
    • 12.5 W
    • 23.5 W
  • Max output current (+5V)
    • 20 A
    • 24 A
  • Max output current (-12V)
    • 0.3 A
    • 0.5 A

Side by side

Differences highlightedShow differences only
56 specifications
A

Chieftec

CTB-400S power supply unit

Model CTB-400S

View product
B

FSP

Aurum CM 550View product
Power10 differ
Total powerDiffers400 W550 W
AC input voltageDiffers230 V90 - 264 V
AC input frequencyKnown for one47 - 63 Hz
Input currentKnown for one4 - 8 A
Maximum input current (@110V)Known for one+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Differs120 W140 W
Combined power (+5V)Differs120 W140 W
Combined power (-12V)Differs3.6 W23.5 W
Combined power (+5Vsb)Differs12.5 W23.5 W
Max output current (+3.3V)24 A24 A
Max output current (+12V1)Known for one18 A
Max output current (+12V2)Known for one18 A
Max output current (+12V3)Known for one18 A
Max output current (+12V4)Known for one18 A
Max output current (+5V)Differs20 A24 A
Max output current (-12V)Differs0.3 A0.5 A
Max output current (+5Vsb)Differs2.5 A3.5 A
EfficiencyKnown for one90%
Power protection featuresDiffersOver current, Over voltage, Overload, Short circuit, Under voltage, OverheatingOver current, Over voltage, Short circuit
Peak powerKnown for one400 W
Combined power (+12V)Known for one300 W
Max output current (+12V)Known for one18 A
Ports & interfaces4 differ
Motherboard power connectorDiffers24-pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers37
Peripheral (Molex) power connectors (4-pin)Differs34
EPS power connector (8-pin)Known for oneYes
PCI Express power connectors (6+2 pin)Known for one4
CPU power connector (4+4 pin)Known for oneYes
ATX power connector (20+4 pin)Known for oneYes
Floppy drive power connector11
Cabling typeDiffersNon-ModularSemi-Modular
PCI Express power connectors (6-pin)Known for one1
CPU P4 connector (4-pin)Known for one1
Performance2 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS80 PLUS Gold
ATX version2.32.3
EPS versionKnown for one2.92
Noise levelDiffers24 dB21 dB
Mean time between failures (MTBF)Known for one100000 h
Design1 differ
Product colourDiffersGreyBlack
Cooling typeKnown for oneActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationKnown for oneTop
On/off switchKnown for oneYes
Safety regulation & standardsidentical
SafetyKnown for onecUL, FCC, CE, TUV, GOST, BSMI, CCC
Weight & dimensionsidentical
WidthKnown for one160 mm
DepthKnown for one150 mm
HeightKnown for one86 mm
WeightKnown for one2.53 kg
Packaging dataidentical
Package widthKnown for one245 mm
Package depthKnown for one327 mm
Package heightKnown for one96 mm
Other featuresidentical
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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