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Product comparison · 2 power supply units

Zalman ZM400-ST power supply unit vs Zalman ZM500-HP PLUS

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  • 39specifications compared
  • 15differ
  • 24identical
  • 15known for one product only

Key differences

  • Total power
    • 400 W
    • 500 W
  • Input current
    • 5 - 8 A
    • 8 A
  • Combined power (+3.3V)
    • 120 W
    • 130 W
  • Combined power (+12V)
    • 384 W
    • 432 W
  • Combined power (+5V)
    • 120 W
    • 130 W
  • Combined power (-12V)
    • 3.6 W
    • 6 W
  • Max output current (-12V)
    • 0.3 A
    • 0.5 A
  • Efficiency
    • 86%
    • 88%

Side by side

Differences highlightedShow differences only
54 specifications
A

Zalman

ZM400-ST power supply unit

Model ZM400-ST

View product
B

Zalman

ZM500-HP PLUSView product
Power9 differ
Total powerDiffers400 W500 W
Input currentDiffers5 - 8 A8 A
Combined power (+3.3V)Differs120 W130 W
Combined power (+12V)Differs384 W432 W
Combined power (+5V)Differs120 W130 W
Combined power (-12V)Differs3.6 W6 W
Max output current (+12V1)Known for one18 A
Max output current (+12V2)Known for one18 A
Max output current (-12V)Differs0.3 A0.5 A
EfficiencyDiffers86%88%
Power protection featuresDiffersOver current, Over power, Over voltage, Short circuitOver current, Over voltage, Overheating, Short circuit, Under voltage
Max output current (+12V)Known for one20 A
Max output current (+5V)Known for one15 A
Ports & interfaces2 differ
Number of SATA power connectorsDiffers42
Peripheral (Molex) power connectors (4-pin)Known for one6
PCI Express power connectors (6+2 pin)Known for one1
CPU power connector (4+4 pin)Known for oneYes
Cabling typeDiffersNon-ModularSemi-Modular
CPU P4 connector (4-pin)Known for one1
Performance1 differ
80 PLUS certificationDiffers80 PLUS80 PLUS Bronze
Designidentical
Fan locationKnown for oneSide
On/off switchKnown for oneYes
Operational conditions2 differ
Storage temperature (T-T)Differs-40 - 70 °C-20 - 80 °C
Operating relative humidity (H-H)Differs20 - 85%5 - 95%
Certificatesidentical
CertificationKnown for oneCB, CEE, FCC
Weight & dimensions1 differ
DepthDiffers140 mm165 mm
WeightKnown for one2.79 kg
Packaging dataidentical
ManualKnown for oneYes
Technical detailsidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Dimensions (WxDxH)Known for one150 x 140 x 86 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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