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Product comparison · 2 power supply units

Chieftec CTG-750C power supply unit vs Zalman ZM550-XG power supply unit

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  • 36specifications compared
  • 25differ
  • 11identical
  • 23known for one product only

Key differences

  • Total power
    • 750 W
    • 550 W
  • AC input voltage
    • 230 V
    • 100 - 240 V
  • AC input frequency
    • 50 Hz
    • 50 - 60 Hz
  • Input current
    • 6 A
    • 7 A
  • Power factor
    • 0.9
    • 99
  • Combined power (+3.3V)
    • 130 W
    • 140 W
  • Combined power (+12V)
    • 648 W
    • 540 W
  • Combined power (+5V)
    • 130 W
    • 140 W

Side by side

Differences highlightedShow differences only
59 specifications
A

Chieftec

CTG-750C power supply unit

Model CTG-750C

View product
B

Zalman

ZM550-XG power supply unit

Model ZM550-XG

View product
Power14 differ
Total powerDiffers750 W550 W
AC input voltageDiffers230 V100 - 240 V
AC input frequencyDiffers50 Hz50 - 60 Hz
Input currentDiffers6 A7 A
Maximum input current (@110V)Differs+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V,+3.3V,+5V,+5Vsb,-12V
Power factorDiffers0.999
Combined power (+3.3V)Differs130 W140 W
Combined power (+12V)Differs648 W540 W
Combined power (+5V)Differs130 W140 W
Combined power (+5Vsb)Differs15 W12.5 W
Max output current (+12V)Known for one45 A
Max output current (+5V)Differs22 A18 A
Max output current (+5Vsb)Differs3 A12.5 A
EfficiencyDiffers85%92%
Power protection featuresDiffersOver current, Over voltage, Overheating, Overload, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Max output current (+12V1)Known for one35 A
Max output current (+12V2)Known for one35 A
Ports & interfaces5 differ
Motherboard power connectorDiffers24-pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers62
Peripheral (Molex) power connectors (4-pin)Differs46
PCI Express power connectors (6+2 pin)Differs24
CPU power connector (4+4 pin)Known for oneYes
ATX power connector (20+4 pin)Known for oneYes
Floppy disk drive connectorKnown for oneYes
Floppy drive power connectorDiffers21
PCI Express connectorKnown for oneYes
EPS power connector (8-pin)Known for oneYes
CPU P4 connector (4-pin)Known for one1
CPU power connectors (8-pin)Known for one1
Performance1 differ
80 PLUS certificationDiffers80 PLUS80 PLUS Gold
ATX versionKnown for one2.3
Design3 differ
Product colourDiffersBlackYellow
Fan diameterDiffers12 cm13.9 cm
Fan locationDiffersTopSide
LED indicatorsKnown for oneNo
On/off switchKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Storage temperature (T-T)Known for one-20 - 80 °C
Operating relative humidity (H-H)Known for one5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Weight & dimensions2 differ
DepthDiffers140 mm180 mm
HeightDiffers87 mm86 mm
Packaging dataidentical
ManualKnown for oneYes
Package typeKnown for oneBox
Other featuresidentical
Dimensions (WxDxH)Known for one150 x 180 x 86 mm
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneCE, CB, FCC
Logistics dataidentical
Harmonized System (HS) codeKnown for one84733020

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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