Product comparison · 2 power supply units

Zalman ZM1250 Platinum vs Zalman ZM650-XG power supply unit

37specifications compared
18differ
19identical
10known for one product only

Key differences

Total power
- ZM1250 Platinum:1250 W
- ZM650-XG power supply unit:650 W
AC input frequency
- ZM1250 Platinum:47 - 63 Hz
- ZM650-XG power supply unit:50 - 60 Hz
Input current
- ZM1250 Platinum:15 A
- ZM650-XG power supply unit:8 A
Combined power (+12V)
- ZM1250 Platinum:1250 W
- ZM650-XG power supply unit:648 W
Max output current (+3.3V)
- ZM1250 Platinum:25 A
- ZM650-XG power supply unit:22 A
Max output current (+5V)
- ZM1250 Platinum:25 A
- ZM650-XG power supply unit:20 A
Max output current (-12V)
- ZM1250 Platinum:0.8 A
- ZM650-XG power supply unit:0.3 A
Max output current (+5Vsb)
- ZM1250 Platinum:4 A
- ZM650-XG power supply unit:2.5 A

Side by side

Differences highlightedShow differences only

Comparison of ZM1250 Platinum, ZM650-XG
47 specifications	A Zalman ZM1250 Platinum View product	B Zalman ZM650-XG power supply unit Model ZM650-XG View product
Power10 differ
Total powerDiffers	1250 W	650 W
AC input frequencyDiffers	47 - 63 Hz	50 - 60 Hz
Input currentDiffers	15 A	8 A
Maximum input current (@110V)Differs	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V,+3.3V,+5V,+5Vsb,-12V
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Combined power (+12V)Differs	1250 W	648 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 (+12V)Known for one	Unknown — not stated by the source	54 A
Max output current (+5V)Differs	25 A	20 A
Max output current (-12V)Differs	0.8 A	0.3 A
Max output current (+5Vsb)Differs	4 A	2.5 A
EfficiencyDiffers	93%	92%
Max output current (+12V1)Known for one	45 A	Unknown — not stated by the source
Max output current (+12V2)Known for one	65 A	Unknown — not stated by the source
Hold timeKnown for one	16 ms	Unknown — not stated by the source
Ports & interfaces1 differ
Number of SATA power connectorsDiffers	3	2
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	6
Performance1 differ
80 PLUS certificationDiffers	80 PLUS Platinum	80 PLUS Gold
Design2 differ
Product colourDiffers	Black	Black, Yellow
Fan diameterDiffers	14 cm	13.9 cm
On/off switchKnown for one	Unknown — not stated by the source	Yes
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 50 °C	0 - 40 °C
Storage temperature (T-T)Differs	-20 - 70 °C	-20 - 80 °C
Operating relative humidity (H-H)Differs	20 - 90%	5 - 95%
Weight & dimensions1 differ
DepthDiffers	200 mm	180 mm
Packaging dataidentical
ManualKnown 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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