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Product comparison · 2 power supply units

Zalman ZM450-GS power supply unit vs Zalman ZM750-XG power supply unit

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  • 36specifications compared
  • 22differ
  • 14identical
  • 17known for one product only

Key differences

  • Total power
    • 450 W
    • 750 W
  • AC input voltage
    • 115 - 230 V
    • 100 - 240 V
  • Combined power (+3.3V)
    • 120 W
    • 150 W
  • Combined power (+5V)
    • 120 W
    • 150 W
  • Combined power (+5Vsb)
    • 12.5 W
    • 17.5 W
  • Max output current (+5V)
    • 18 A
    • 25 A
  • Max output current (+5Vsb)
    • 2.5 A
    • 3.5 A
  • Efficiency
    • 84%
    • 92%

Side by side

Differences highlightedShow differences only
53 specifications
A

Zalman

ZM450-GS power supply unit

Model ZM450-GS

View product
B

Zalman

ZM750-XG power supply unit

Model ZM750-XG

View product
Power10 differ
Total powerDiffers450 W750 W
AC input voltageDiffers115 - 230 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Maximum input current (@110V)Differs+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V,+3.3V,+5V,+5Vsb,-5Vsb
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Differs120 W150 W
Combined power (+5V)Differs120 W150 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)Differs12.5 W17.5 W
Max output current (+3.3V)22 A22 A
Max output current (+12V1)Known for one21 A
Max output current (+12V2)Known for one18 A
Max output current (+5V)Differs18 A25 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)Differs2.5 A3.5 A
EfficiencyDiffers84%92%
Power protection featuresDiffersOver power, Over voltage, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Input currentKnown for one9.5 A
Power factorKnown for one99
Combined power (+12V)Known for one744 W
Max output current (+12V)Known for one62 A
Ports & interfaces4 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers32
Peripheral (Molex) power connectors (4-pin)Differs07
PCI Express power connectors (6-pin)Known for one1
PCI Express power connectors (6+2 pin)Differs14
CPU power connector (4+4 pin)YesYes
ATX power connector (20+4 pin)Known for oneYes
Floppy disk drive connectorKnown for oneYes
Floppy drive power connector11
Cabling typeDiffersNon-ModularSemi-Modular
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
ATX versionKnown for one2.3
80 PLUS certificationKnown for one80 PLUS Gold
Mean time between failures (MTBF)Known for one100000 h
Design3 differ
Product colourDiffersBlackBlack, Yellow
Cooling typeActiveActive
Fan diameterDiffers12 cm13.9 cm
Number of fans1 fan(s)1 fan(s)
Fan locationDiffersTopSide
On/off switchKnown for oneYes
Operational conditions3 differ
Operating temperature (T-T)Differs32 - 104 °F0 - 40 °C
Storage temperature (T-T)Differs-20 - 70 °C-20 - 80 °C
Operating relative humidity (H-H)Differs20 - 90%5 - 95%
Storage relative humidity (H-H)5 - 95%5 - 95%
Weight & dimensions2 differ
WidthDiffers140 mm150 mm
DepthDiffers150 mm180 mm
Height86 mm86 mm
WeightKnown for one1.92 kg
Packaging dataidentical
ManualYesYes
Other featuresidentical
Dimensions (WxDxH)Known for one140 x 150 x 86 mm
Ports quantityKnown for one12

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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