Product comparison · 2 power supply units

Zalman ZM1250 Platinum vs Zalman ZM450-GS power supply unit

34specifications compared
20differ
14identical
18known for one product only

Key differences

Total power
- ZM1250 Platinum:1250 W
- ZM450-GS power supply unit:450 W
AC input voltage
- ZM1250 Platinum:100 - 240 V
- ZM450-GS power supply unit:115 - 230 V
AC input frequency
- ZM1250 Platinum:47 - 63 Hz
- ZM450-GS power supply unit:50 - 60 Hz
Combined power (+3.3V)
- ZM1250 Platinum:150 W
- ZM450-GS power supply unit:120 W
Combined power (+5V)
- ZM1250 Platinum:150 W
- ZM450-GS power supply unit:120 W
Max output current (+3.3V)
- ZM1250 Platinum:25 A
- ZM450-GS power supply unit:22 A
Max output current (+12V1)
- ZM1250 Platinum:45 A
- ZM450-GS power supply unit:21 A
Max output current (+12V2)
- ZM1250 Platinum:65 A
- ZM450-GS power supply unit:18 A

Side by side

Differences highlightedShow differences only

Comparison of ZM1250 Platinum, ZM450-GS
52 specifications	A Zalman ZM1250 Platinum View product	B Zalman ZM450-GS power supply unit Model ZM450-GS View product
Power13 differ
Total powerDiffers	1250 W	450 W
AC input voltageDiffers	100 - 240 V	115 - 230 V
AC input frequencyDiffers	47 - 63 Hz	50 - 60 Hz
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Combined power (+3.3V)Differs	150 W	120 W
Combined power (+5V)Differs	150 W	120 W
Combined power (-12V)Known for one	Unknown — not stated by the source	3.6 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	12.5 W
Max output current (+3.3V)Differs	25 A	22 A
Max output current (+12V1)Differs	45 A	21 A
Max output current (+12V2)Differs	65 A	18 A
Max output current (+5V)Differs	25 A	18 A
Max output current (-12V)Differs	0.8 A	0.3 A
Max output current (+5Vsb)Differs	4 A	2.5 A
EfficiencyDiffers	93%	84%
Power protection featuresDiffers	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage	Over power, Over voltage, Short circuit, Under voltage
Input currentKnown for one	15 A	Unknown — not stated by the source
Power factorKnown for one	99	Unknown — not stated by the source
Combined power (+12V)Known for one	1250 W	Unknown — not stated by the source
Hold timeKnown for one	16 ms	Unknown — not stated by the source
Ports & interfaces2 differ
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	0
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	1
PCI Express power connectors (6+2 pin)Differs	4	1
ATX power connector (20+4 pin)Known for one	Unknown — not stated by the source	Yes
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes
Cabling typeDiffers	Semi-Modular	Non-Modular
Performanceidentical
ATX versionKnown for one	Unknown — not stated by the source	2.3
80 PLUS certificationKnown for one	80 PLUS Platinum	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design2 differ
Fan diameterDiffers	14 cm	12 cm
Fan locationDiffers	Side	Top
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 50 °C	32 - 104 °F
Weight & dimensions2 differ
WidthDiffers	150 mm	140 mm
DepthDiffers	200 mm	150 mm
WeightKnown for one	Unknown — not stated by the source	1.92 kg
Packaging dataidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	140 x 150 x 86 mm
Ports quantityKnown for one	Unknown — not stated by the source	12

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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