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Product comparison · 2 power supply units

Zalman ZM1000-HP PLUS vs Zalman ZM400-ST power supply unit

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  • 41specifications compared
  • 26differ
  • 15identical
  • 6known for one product only

Key differences

  • Total power
    • 1000 W
    • 400 W
  • Input current
    • 6 - 12 A
    • 5 - 8 A
  • Combined power (+3.3V)
    • 180 W
    • 120 W
  • Combined power (+12V)
    • 984 W
    • 384 W
  • Combined power (+5V)
    • 180 W
    • 120 W
  • Combined power (-12V)
    • 6 W
    • 3.6 W
  • Combined power (+5Vsb)
    • 17.5 W
    • 15 W
  • Max output current (+3.3V)
    • 25 A
    • 24 A

Side by side

Differences highlightedShow differences only
47 specifications
A

Zalman

ZM1000-HP PLUSView product
B

Zalman

ZM400-ST power supply unit

Model ZM400-ST

View product
Power15 differ
Total powerDiffers1000 W400 W
Input currentDiffers6 - 12 A5 - 8 A
Maximum input current (@110V)Differs+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Combined power (+3.3V)Differs180 W120 W
Combined power (+12V)Differs984 W384 W
Combined power (+5V)Differs180 W120 W
Combined power (-12V)Differs6 W3.6 W
Combined power (+5Vsb)Differs17.5 W15 W
Max output current (+3.3V)Differs25 A24 A
Max output current (+12V)Differs27 A20 A
Max output current (+5V)Differs30 A15 A
Max output current (-12V)Differs0.5 A0.3 A
Max output current (+5Vsb)Differs3.5 A3 A
EfficiencyDiffers90%86%
Power protection featuresDiffersOver current, Over voltage, Short circuit, Under voltageOver current, Over power, Over voltage, Short circuit
Power factorKnown for one99
Ports & interfaces3 differ
Number of SATA power connectorsDiffers34
PCI Express power connectors (6-pin)Differs31
PCI Express power connectors (6+2 pin)Known for one3
Cabling typeDiffersSemi-ModularNon-Modular
Floppy drive power connectorKnown for one1
Performance2 differ
80 PLUS certificationDiffers80 PLUS Silver80 PLUS
ATX versionDiffers2.22.3
Mean time between failures (MTBF)Known for one100000 h
Design1 differ
Fan diameterDiffers14 cm12 cm
Cooling typeKnown for oneActive
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 40 °C10 - 40 °C
Storage temperature (T-T)Differs-20 - 60 °C-40 - 70 °C
Operating relative humidity (H-H)Differs10 - 90%20 - 85%
Weight & dimensions1 differ
DepthDiffers210 mm140 mm
WeightKnown for one4 kg
Other features1 differ
Dimensions (WxDxH)Differs150 x 210 x 86 mm150 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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