Product comparison · 2 power supply units

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

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

Key differences

Total power
- ZM650-GVII power supply unit:650 W
- ZM850-ARX power supply unit:850 W
AC input voltage
- ZM650-GVII power supply unit:200 - 240 V
- ZM850-ARX power supply unit:100 - 240 V
Combined power (+3.3V)
- ZM650-GVII power supply unit:110 W
- ZM850-ARX power supply unit:120 W
Combined power (+12V)
- ZM650-GVII power supply unit:648 W
- ZM850-ARX power supply unit:840 W
Combined power (+5V)
- ZM650-GVII power supply unit:110 W
- ZM850-ARX power supply unit:120 W
Max output current (+3.3V)
- ZM650-GVII power supply unit:20 A
- ZM850-ARX power supply unit:25 A
Max output current (+12V)
- ZM650-GVII power supply unit:54 A
- ZM850-ARX power supply unit:70 A
Max output current (+5V)
- ZM650-GVII power supply unit:18 A
- ZM850-ARX power supply unit:22 A

Side by side

Differences highlightedShow differences only

Comparison of ZM650-GVII, ZM850-ARX
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 powerDiffers	650 W	850 W
AC input voltageDiffers	200 - 240 V	100 - 240 V
Input currentKnown for one	6 A	Unknown — not stated by the source
Power factorKnown for one	99	Unknown — not stated by the source
Combined power (+3.3V)Differs	110 W	120 W
Combined power (+12V)Differs	648 W	840 W
Combined power (+5V)Differs	110 W	120 W
Max output current (+3.3V)Differs	20 A	25 A
Max output current (+12V)Differs	54 A	70 A
Max output current (+5V)Differs	18 A	22 A
EfficiencyDiffers	88%	94%
Power protection featuresDiffers	Over current, Over power, Over voltage, Short circuit, Under voltage	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces7 differ
Motherboard power cable lengthDiffers	55 cm	60 cm
Number of SATA power connectorsDiffers	2	12
SATA power cable lengthKnown for one	400 mm	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Differs	1	8
Peripheral (Molex) power cable lengthKnown for one	400 mm	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Differs	2	6
PCI Express power cable lengthDiffers	50 cm	55 cm
CPU power cable lengthDiffers	65 cm	70 cm
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
PCI Express connectorKnown for one	Yes	Unknown — not stated by the source
Cabling typeDiffers	Non-Modular	Fully-Modular
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes
Performance1 differ
80 PLUS certificationDiffers	80 PLUS Bronze	80 PLUS Platinum
Supported motherboard form factorsKnown for one	ATX, micro ATX, Mini-ITX	Unknown — not stated by the source
Noise levelKnown for one	36.3 dB	Unknown — not stated by the source
Bearing technologyKnown for one	FDB	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design1 differ
Fan diameterDiffers	12 cm	13.5 cm
On/off switchKnown for one	Yes	Unknown — not stated by the source
Operational conditions2 differ
Storage temperature (T-T)Differs	-40 - 70 °C	-20 - 70 °C
Operating relative humidity (H-H)Differs	5 - 85%	5 - 95%
Packaging content1 differ
Cables includedDiffers	AC, CPU, PCIe, Peripheral (Molex), SATA	AC
Certificates1 differ
CertificationDiffers	80 Plus, CB, CE, KC, EAC, RoHS	UL, FCC, CB, CE, EAC, KC, WEEE
Safety regulation & standardsidentical
SafetyKnown for one	CB, CE, KC, EAC, RoHS	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	140 mm	150 mm
DepthDiffers	150 mm	180 mm
WeightDiffers	2.01 kg	2.95 kg
Packaging dataidentical
Package widthKnown for one	180 mm	Unknown — not stated by the source
Package depthKnown for one	280 mm	Unknown — not stated by the source
Package heightKnown for one	100 mm	Unknown — not stated by the source
Package weightKnown for one	2.05 kg	Unknown — not stated by the source
Cable storage bag includedKnown for one	Unknown — not stated by the source	Yes
Number of strapsKnown for one	Unknown — not stated by the source	5
ManualKnown for one	Unknown — not stated by the source	Yes
Logistics dataidentical
Country of originKnown for one	China	Unknown — not stated by the source
Other featuresidentical
Screws includedKnown for one	Unknown — not stated by the source	Yes
Number of screwsKnown for one	Unknown — not stated by the source	4
Cable ties includedKnown for one	Unknown — not stated by the source	Yes

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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