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Product comparison · 2 power supply units

Zalman ZM450-GS power supply unit vs Zalman ZM750-HP Plus

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  • 42specifications compared
  • 26differ
  • 16identical
  • 14known 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 (+3.3V)
    • 22 A
    • 20 A
  • Max output current (+12V1)
    • 21 A
    • 25 A
  • Max output current (+12V2)
    • 18 A
    • 20 A

Side by side

Differences highlightedShow differences only
56 specifications
A

Zalman

ZM450-GS power supply unit

Model ZM450-GS

View product
B

Zalman

ZM750-HP PlusView product
Power13 differ
Total powerDiffers450 W750 W
AC input voltageDiffers115 - 230 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentKnown for one10 A
Maximum input current (@110V)Differs+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one99
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs120 W150 W
Combined power (+12V)Known for one720 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)Differs22 A20 A
Max output current (+12V1)Differs21 A25 A
Max output current (+12V2)Differs18 A20 A
Max output current (+12V3)Known for one28 A
Max output current (+12V4)Known for one28 A
Max output current (+5V)Differs18 A25 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)Differs2.5 A17.5 A
EfficiencyDiffers84%90%
Power protection featuresDiffersOver power, Over voltage, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces5 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectorsDiffers34
Peripheral (Molex) power connectors (4-pin)Differs04
PCI Express power connectors (6-pin)Differs12
PCI Express power connectors (6+2 pin)Differs12
CPU power connector (4+4 pin)YesYes
Floppy drive power connector11
Cabling typeDiffersNon-ModularSemi-Modular
ATX power connector (20+4 pin)Known for oneYes
Floppy disk drive connectorKnown for oneYes
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationKnown for one80 PLUS Silver
ATX version2.32.3
Mean time between failures (MTBF)Known for one100000 h
Design2 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameterDiffers12 cm14 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%10 - 90%
Storage relative humidity (H-H)5 - 95%5 - 95%
Certificatesidentical
Compliance certificatesKnown for oneRoHS
CertificationKnown for oneCB, CE, FCC
Weight & dimensions3 differ
WidthDiffers140 mm150 mm
DepthDiffers150 mm180 mm
Height86 mm86 mm
WeightDiffers1.92 kg3.5 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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