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Product comparison · 2 power supply units

Zalman ZM650-GVII power supply unit vs Zalman ZM850-ARX power supply unit

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  • 45specifications compared
  • 26differ
  • 19identical
  • 25known for one product only

Key differences

  • Total power
    • 650 W
    • 850 W
  • AC input voltage
    • 200 - 240 V
    • 100 - 240 V
  • Combined power (+3.3V)
    • 110 W
    • 120 W
  • Combined power (+12V)
    • 648 W
    • 840 W
  • Combined power (+5V)
    • 110 W
    • 120 W
  • Max output current (+3.3V)
    • 20 A
    • 25 A
  • Max output current (+12V)
    • 54 A
    • 70 A
  • Max output current (+5V)
    • 18 A
    • 22 A

Side by side

Differences highlightedShow differences only
70 specifications
A

Zalman

ZM650-GVII power supply unit

Model ZM650-GVII

View product
B

Zalman

ZM850-ARX power supply unit

Model ZM850-ARX

View product
Power10 differ
Total powerDiffers650 W850 W
AC input voltageDiffers200 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentKnown for one6 A
Power factorKnown for one99
Power Factor Correction (PFC) typeActiveActive
Combined power (+3.3V)Differs110 W120 W
Combined power (+12V)Differs648 W840 W
Combined power (+5V)Differs110 W120 W
Combined power (-12V)3.6 W3.6 W
Combined power (+5Vsb)12.5 W12.5 W
Max output current (+3.3V)Differs20 A25 A
Max output current (+12V)Differs54 A70 A
Max output current (+5V)Differs18 A22 A
Max output current (-12V)0.3 A0.3 A
Max output current (+5Vsb)2.5 A2.5 A
EfficiencyDiffers88%94%
Power protection featuresDiffersOver current, Over power, Over voltage, Short circuit, Under voltageOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces7 differ
Motherboard power connector20+4 pin ATX20+4 pin ATX
Motherboard power cable lengthDiffers55 cm60 cm
Number of SATA power connectorsDiffers212
SATA power cable lengthKnown for one400 mm
Peripheral (Molex) power connectors (4-pin)Differs18
Peripheral (Molex) power cable lengthKnown for one400 mm
PCI Express power connectors (6+2 pin)Differs26
PCI Express power cable lengthDiffers50 cm55 cm
CPU power connector (4+4 pin)YesYes
CPU power cable lengthDiffers65 cm70 cm
ATX power connector (20+4 pin)Known for oneYes
PCI Express connectorKnown for oneYes
Cabling typeDiffersNon-ModularFully-Modular
EPS power connector (8-pin)Known for oneYes
Floppy disk drive connectorKnown for oneYes
Performance1 differ
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certificationDiffers80 PLUS Bronze80 PLUS Platinum
Supported motherboard form factorsKnown for oneATX, micro ATX, Mini-ITX
Noise levelKnown for one36.3 dB
Bearing technologyKnown for oneFDB
Mean time between failures (MTBF)Known for one100000 h
Design1 differ
Product colourBlackBlack
Cooling typeActiveActive
Fan diameterDiffers12 cm13.5 cm
Number of fans1 fan(s)1 fan(s)
Fan locationTopTop
On/off switchKnown for oneYes
Operational conditions2 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)Differs-40 - 70 °C-20 - 70 °C
Operating relative humidity (H-H)Differs5 - 85%5 - 95%
Storage relative humidity (H-H)5 - 95%5 - 95%
Packaging content1 differ
Cables includedDiffersAC, CPU, PCIe, Peripheral (Molex), SATAAC
Certificates1 differ
Compliance certificatesRoHSRoHS
CertificationDiffers80 Plus, CB, CE, KC, EAC, RoHSUL, FCC, CB, CE, EAC, KC, WEEE
Safety regulation & standardsidentical
SafetyKnown for oneCB, CE, KC, EAC, RoHS
Weight & dimensions3 differ
WidthDiffers140 mm150 mm
DepthDiffers150 mm180 mm
Height86 mm86 mm
WeightDiffers2.01 kg2.95 kg
Packaging dataidentical
Package widthKnown for one180 mm
Package depthKnown for one280 mm
Package heightKnown for one100 mm
Package weightKnown for one2.05 kg
Package typeBoxBox
Cable storage bag includedKnown for oneYes
Number of strapsKnown for one5
ManualKnown for oneYes
Logistics dataidentical
Country of originKnown for oneChina
Other featuresidentical
Screws includedKnown for oneYes
Number of screwsKnown for one4
Cable ties includedKnown 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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