Product comparison · 2 power supply units

Zalman ZM400-LE power supply unit vs Zalman ZM500-LX power supply unit

26specifications compared
12differ
14identical
21known for one product only

Key differences

Total power
- ZM400-LE power supply unit:400 W
- ZM500-LX power supply unit:500 W
AC input voltage
- ZM400-LE power supply unit:115 V
- ZM500-LX power supply unit:200 - 240 V
AC input frequency
- ZM400-LE power supply unit:47 - 63 Hz
- ZM500-LX power supply unit:50 - 60 Hz
Combined power (+12V)
- ZM400-LE power supply unit:300 W
- ZM500-LX power supply unit:444 W
Max output current (+3.3V)
- ZM400-LE power supply unit:16 A
- ZM500-LX power supply unit:18 A
Max output current (+5Vsb)
- ZM400-LE power supply unit:2 A
- ZM500-LX power supply unit:2.5 A
Number of SATA power connectors
- ZM400-LE power supply unit:4
- ZM500-LX power supply unit:2
Storage temperature (T-T)
- ZM400-LE power supply unit:-40 - 70 °C
- ZM500-LX power supply unit:-20 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of ZM400-LE, ZM500-LX
47 specifications	A Zalman ZM400-LE power supply unit Model ZM400-LE View product	B Zalman ZM500-LX power supply unit Model ZM500-LX View product
Power8 differ
Total powerDiffers	400 W	500 W
AC input voltageDiffers	115 V	200 - 240 V
AC input frequencyDiffers	47 - 63 Hz	50 - 60 Hz
Input currentKnown for one	8 A	Unknown — not stated by the source
Maximum input current (@110V)Differs	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V,+3.3V,+5V,-12V,-5V
Power factorKnown for one	0.5	Unknown — not stated by the source
Combined power (+12V)Differs	300 W	444 W
Combined power (+5V)Known for one	120 W	Unknown — not stated by the source
Max output current (+3.3V)Differs	16 A	18 A
Max output current (+12V1)Known for one	17 A	Unknown — not stated by the source
Max output current (+12V2)Known for one	14 A	Unknown — not stated by the source
Max output current (+5Vsb)Differs	2 A	2.5 A
EfficiencyKnown for one	81%	Unknown — not stated by the source
Power protection featuresDiffers	Over power, Over voltage, Short circuit, Under voltage	Over current, Over power, Over voltage, Short circuit, Under voltage
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Max output current (+12V)Known for one	Unknown — not stated by the source	40 A
Ports & interfaces1 differ
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsDiffers	4	2
Peripheral (Molex) power connectors (4-pin)Known for one	3	Unknown — not stated by the source
PCI Express power connectors (6-pin)Known for one	2	Unknown — not stated by the source
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Power supply unit (PSU) form factorKnown for one	ATX	Unknown — not stated by the source
ATX versionKnown for one	2.3	Unknown — not stated by the source
Designidentical
Cooling typeKnown for one	Active	Unknown — not stated by the source
Fan diameterKnown for one	12 cm	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan locationKnown for one	Side	Unknown — not stated by the source
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%
Certificatesidentical
CertificationKnown for one	ErP Lot 6	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	1.7 kg	1.9 kg

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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