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Product comparison · 2 power supply units

Zalman ZM650-EBT power supply unit vs Zalman ZM850-EBT power supply unit

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  • 35specifications compared
  • 19differ
  • 16identical
  • 21known for one product only

Key differences

  • Total power
    • 650 W
    • 850 W
  • AC input voltage
    • 100 - 240 V
    • 110 - 240 V
  • Input current
    • 10 A
    • 15 A
  • Combined power (+3.3V)
    • 120 W
    • 130 W
  • Combined power (+12V)
    • 650 W
    • 846 W
  • Combined power (+5V)
    • 120 W
    • 130 W
  • Combined power (+5Vsb)
    • 15 W
    • 20 W
  • Max output current (+3.3V)
    • 22 A
    • 25 A

Side by side

Differences highlightedShow differences only
56 specifications
A

Zalman

ZM650-EBT power supply unit

Model ZM650-EBT

View product
B

Zalman

ZM850-EBT power supply unit

Model ZM850-EBT

View product
Power12 differ
Total powerDiffers650 W850 W
AC input voltageDiffers100 - 240 V110 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers10 A15 A
Maximum input current (@110V)Known for one15 A
Power factorKnown for one99
Power Factor Correction (PFC) typeKnown for oneActive
Combined power (+3.3V)Differs120 W130 W
Combined power (+12V)Differs650 W846 W
Combined power (+5V)Differs120 W130 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)Differs15 W20 W
Max output current (+3.3V)Differs22 A25 A
Max output current (+12V)Differs54.2 A70.5 A
Max output current (+5V)Differs22 A25 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)Differs3 A4 A
Efficiency92%92%
Power protection featuresDiffersOver current, Over voltage, Overheating, Short circuit, Under voltageOver current, Over power, Over voltage, Short circuit, Under voltage
Ports & interfaces2 differ
Motherboard power connectorKnown for one20+4 pin ATX
Motherboard power cable lengthKnown for one55 cm
Number of SATA power connectorsDiffers23
SATA power cable lengthKnown for one450 mm
PCI Express power connectors (6+2 pin)Known for one6
PCI Express power cable lengthKnown for one55 cm
CPU P4 connector (4-pin)Known for one1
CPU power connector (4+4 pin)Known for oneYes
CPU power cable lengthKnown for one65 cm
PCI Express connectorYesYes
Cabling typeDiffersSemi-ModularFully-Modular
Peripheral (Molex) power connectors (4-pin)Known for one6
Floppy disk drive connectorKnown for oneYes
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS Gold80 PLUS Gold
ATX version2.32.3
EPS version2.922.92
Designidentical
Product colourBlackBlack
Cooling typeKnown for oneActive
Fan diameterKnown for one13.5 cm
Number of fansKnown for one1 fan(s)
Fan locationKnown for oneTop
On/off switchKnown for oneYes
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 40 °C0 - 50 °C
Storage temperature (T-T)-20 - 70 °C-20 - 70 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Storage relative humidity (H-H)5 - 95%5 - 95%
Packaging content1 differ
Cables includedDiffersACAC, CPU, PCIe, SATA
Certificates1 differ
Compliance certificatesKnown for oneRoHS
CertificationDiffersNRTL, FCC, CB, CE, TUV, KC, EACCE, CB, EAC, NRTL, FCC, TUV, KC
Weight & dimensions2 differ
Width150 mm150 mm
DepthDiffers160 mm180 mm
Height86 mm86 mm
WeightDiffers2.4 kg3.2 kg
Packaging dataidentical
Package typeKnown for oneBox
ManualKnown for oneYes

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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